View W83L771ASG_7589231.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

w83l771awg W83L771ASG nuvoton h/w monitoring ic date: november 19 th , 200 9 revision: 1. 9 1
publication release date: 2009/ 10/21 version: 1. 9 - i - table of contents - 1. general description ................................ ................................ ................................ ......... 1 1.1 product selection guide ................................ ................................ ................................ . 1 2. features ................................ ................................ ................................ ................................ . 2 2.1 monitoring items - temperature ................................ ................................ ..................... 2 2.2 general features ................................ ................................ ................................ ............ 2 2.3 package type ................................ ................................ ................................ ................. 2 2.4 applications ................................ ................................ ................................ ..................... 2 3. key specifications ................................ ................................ ................................ .............. 3 4. block diagram ................................ ................................ ................................ ...................... 3 5. pin configuration ................................ ................................ ................................ ............... 4 6. pin description ................................ ................................ ................................ ..................... 4 7. functional descripti on ................................ ................................ ................................ .... 5 7.1 general description ................................ ................................ ................................ ........ 5 7.2 access interface ................................ ................................ ................................ ............. 6 7.2.1 serial bus write to internal address register followed by the data byte ............................. 6 7.2.2 serial bus read form internal address register followed by the data byte ......................... 6 7.3 output mode ................................ ................................ ................................ ...... 7 7.3.1 output comparator mode ................................ ................................ ................... 7 7.3.2 output interrupt mode ................................ ................................ ........................ 8 7.3.3 output smbustm alert mode ................................ ................................ ........ 9 7.4 output and t_crit flags ................................ ................................ .......... 10 7.5 meas ured temperature data format ................................ ................................ ........... 11 7.5.1 measure remote temperature data format ................................ ................................ .. 11 7.5.2 measure local temperature data format ................................ ................................ ...... 11 7.6 digital filter ................................ ................................ ................................ ................... 12 7.7 fault detect ................................ ................................ ................................ ................... 13 7.8 conversion rate and moving average ................................ ................................ ......... 13 8. control and status r egister ................................ ................................ ..................... 14 8.1 w83l771awg/asg registers ................................ ................................ ..................... 14 8.2 data format of temperature registers (lt, rthb, rtlb, lhs, rhshb, rhslb, lls, rlshb, rlslb, rtohb, rtolb, rcs, lcs) ................................ ................................ ........ 15 8.3 status register (sr) ................................ ................................ ................................ ..... 16 8.4 configuration register (c) ................................ ................................ ............................ 16 8.5 t_crit hysteresis register (th) ................................ ................................ ................. 17 8.6 convers ion rate register (cr) ................................ ................................ .................... 17 8.7 filter and alert configure register (rdtf) ................................ ................................ .. 18 8.8 ideality (idea) ................................ ................................ ................................ ............... 18 9. electrical character istic ................................ ................................ ........................... 19 9.1 absolute maximum ratings ................................ ................................ .......................... 19 9.2 dc characteristics ................................ ................................ ................................ ........ 19 9.3 ac characteristics ................................ ................................ ................................ ........ 20 10. top marking specific ations ................................ ................................ .......................... 21 10.1 w8 3l771awg , w83l771awg - 2 and W83L771ASG - 2 top marking ................... 21 10.2 W83L771ASG top marking ................................ ................................ ..................... 21 alert alert alert alert a crit t _ _
publication release date: 2009/ 10/21 version: 1. 9 - ii - 11. package specificatio ns ................................ ................................ ................................ .. 22 11.1 tssop (msop) 8l 3x3 mm2 ................................ ................................ ...................... 22 11.2 sop8 150mil ................................ ................................ ................................ ................. 23 12. revision history ................................ ................................ ................................ ................ 24
publication release date: 2009/ 1 1/19 version: 1. 91 - 1 - w83l771awg/W83L771ASG 1. general description the w83l771awg/asg , a one remote and one local temperature sensor with 2 temperature alert outputs and with 2 - wire system management bus (smbus tm ) serial interface, is nuvoton hardware monitoring ic specifically designed for pc, notebook and any embedded environments . the w83771awg/asg uses i deality f actor c onfiguration to eliminate temp erature measurement error. the remote temperature sens or input c an be connected to thermal d iode or transistor such as 2n3904. a 10 - bit plus sign adc (analog to digital converter) with 0.125 ? c resolutions is built inside w83l771awg/asg to convert the monitored temperature value. programmable conversion rates and stand - by mode support low - power op eration. t he w83l771awg/asg is a high temperature accuracy, low - power consumption, smbus tm serial interface ic, which is available in 8 - pin, tssop (msop) and sop package, with the working voltage of 3.3 v 10%. 1.1 p roduct selection guide part number smbus ad dress functionality package remote local other w83l771awg 1001_100xb 1 1 programmable temperature high/low limit tssop - 8 (msop - 8) w83l771awg - 2 1001_101xb W83L771ASG 1001_100xb sop - 8 W83L771ASG - 2 1001_101xb
publication release date: 2009/ 1 1/19 version: 1. 91 - 2 - w83l771awg/W83L771ASG 2. features 2.1 monitoring items - temperature ? measure the temperature with high accuracy . ? one on - chip thermal sensor ? one remote temperature sensor input ? i deality f actor c onfiguration on external diodes . ? remote diode fault detection. 2.2 general features ? interface: smbus tm serial interface ? 3.3 v 10% v cc operation ? 10 bit plus sign remote temperature data format, 0.125 ? c resolution ? programmable offset register for various thermal diodes ? smbus tm 2.0 compatible interface, supports timeout ? programmable conversion rates allow user to optimize the pow er consumption. ? supply 2 alert output s : and ? output supports smbus tm 2.0 protocol ? programmable temperature high/low limit and hysteresis for and o utput s 2.3 package type ? w83l771awg in 8 - pin tssop (msop) ? W83L771ASG in 8 - pin sop 2.4 application s ? desktop and notebook computer s , support dow n to 45nm processes and below. ( please refer to application notice for details ) ? hardware management ? servers ? embe dded applications alert a crit t _ _ alert alert a crit t _ _
publication release date: 2009/ 1 1/19 version: 1. 91 - 3 - w83l771awg/W83L771ASG 3. key specifications ? local temperature range and accuracy - 40 ? c to + 12 5 ? c (t a ) typ. ? 2 ? c ( 2 0 ? c ~ 40 ? c) max. ? 3 ? c ( - 4 0 ? c ~ 125 ? c) * 1 ? remote temperature range and accuracy - 4 0 ? c to +12 7 ? c (t d ) t yp. ? 1 ? c ( 25 ? c ~ 70 ? c) t yp. ? 2 ? c ( - 4 0 ? c ~ 127 ? c) max. ? 3 ? c ( - 4 0 ? c ~ 127 ? c) * 2 ? supply voltage 3.3v 10% ? operating supply current 900 u a typ. ? low power operation 1 5 a standby current ? adc resolution include sign bit 1 0 bits * 1 guaranteed by design from - 40~125 degree c , 100% tes ted at 85 degree c . *2 guaranteed by design from - 40~127 degree c, 100% tested at 8 5 degree c. 4. block diagram adc smbus sda sclk control logic xi current generator sensor circuitry d 1 + d 1 - local thermal sensor analog mux command coder / decoder register bank ( local / remote ) temperature registers configuration registers limit / critical ( hysteresis ) registers status registers over temperature comparator fault queue alert t _ crit _ a
publication release date: 2009/ 1 1/19 version: 1. 91 - 4 - w83l771awg/W83L771ASG 5. pin configuration 6. pin description pin type pin attribute i/od 12ts ttl level and schmitt trigger open drain output with 12 ma sink capability od 12 open - drain output pin with 12 ma sink capability in ts ttl level input pin and schmitt trigger ain input pin (analog) power p ositive power supply input ground p ower supply ground pin name no pin type description v dd 1 power dc power supply, voltage input 3.3v ? ain connect to thermal diode anode. d - 3 ain connect to thermal diode cathode. 4 od 12 t_crit alarm output, for interrupt or shutdown control. gnd 5 ground power supply ground 6 od 12 alarm output, for interrupt control. sda 7 i/od 12ts digital i/o (open drain). smbus bidirectional serial data. requires a pull - up resistor . scl 8 in ts digital input (open drain). smbus serial clock input. requires a pull - up resistor . w83l77 1 awg W83L771ASG 4 3 2 1 vdd d + d - t_crit_a 5 6 7 8 s cl s da alert gnd a crit t _ _ alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 5 - w83l771awg/W83L771ASG 7. functional descripti on 7.1 general descr iption t he w83l771 a w g/asg pro vides one remote temperature sensor input which c an be connected to the 2n3904 transistor, or cpu/gpu thermal diode, a s well as one local on die thermal sensor to detect the ambient temperature. t he w83l771awg/asg supplies i dea lity f actor c onfiguration on one external diode to eliminate the temperature measurement error. s electable conversion rates and modes allow low power operation. the temperature measured by the w83l771awg/asg is digitally compared with the value stored in the programmable high/low limit registers and t_crit registers . all out - of - limit values can be detected by monitor ing status register (sr). the w83l771 a w g/asg also supports smbus tm 2.0 al e r t mode and timeout. the data format of the remote temperature is re presented by a 10 - bit plus sign, two ? s complement word and 11 - bit unsigned binary word with an lsb equal to 0.125 ? c . the real temperature equals the measured temperature plus or minus offset value. offset value could be set in offset registers. the date fo rmat of the offset registers is also the same as the data format of the remote temperature. local temperature data is represented by an 8 - bit plus sign, two ? s complement format, with an lsb equal to 1 ? c .
publication release date: 2009/ 1 1/19 version: 1. 91 - 6 - w83l771awg/W83L771ASG 7.2 access interface t he w83l771awg/asg provides smbus serial interface to read/write internal registers, and the smbus address for read and write is 10011001b and 10011000b, respectively. the w83l771awg - 2 and W83L771ASG - 2 respond to hard - wire smbus slave address as shown in table 1.1. the first serial bus ac cess timing is shown as follow s : 7.2.1 serial bus write to internal address register followed by the data byte 7.2.2 serial bus read form internal address register followed by the data byte 0 start by master 0 1 0 1 1 0 1 d7 d6 d5 d4 d3 d2 d1 d0 ack by 78 5r r/w ack by 78 5r scl sda d7 d6 d5 d4 d3 d2 d1 d0 ack by 78 4r stop by master scl sda (continued) 7 8 0 7 8 0 7 8 frame 2 internal index register byte (continued) frame 3 data byte frame 1 serial bus address byte figure 1. serial bus write to internal address register followed by the data by te ack by 78 5r 1 0 0 0 ack by 771 awg ack by 771 awg ack by 771 awg 0 start by master 0 1 0 1 1 0 1 d 7 d 6 d 5 d 4 d 3 d 2 d 1 d 0 r / w d 7 d 6 d 5 d 4 d 3 d 2 d 1 d 0 ack by 784 r stop by 7 8 0 7 8 frame 2 internal index register byte frame 4 data byte frame 1 serial bus address byte 0 1 2 3 4 5 6 7 8 0 1 3 4 5 2 6 7 1 1 1 0 0 1 r / w 8 frame 3 serial bus byte ack by 785 r scl sda scl ( continued ) sda ( continued ) 1 0 0 0 ack by 771 awg ack by 771 awg 1 0 0 0 ack by 771 awg no ack by master master
publication release date: 2009/ 1 1/19 version: 1. 91 - 7 - w83l771awg/W83L771ASG 7.3 output mode t he w83l771awg/asg pin is an active - low open - drain output pin which is triggered when the measured temperature exceeds the limit ation defined in the limit registers. there are three types of output mode: the output comparator mode , the output interrupt mode , and the output smbus alert mode . 7.3.1 output comparator mode fig. 7.3.1 shows the mechanism of the output comparator mode . s et ting filter and alert configure register , or register address bfh , d0 to 1 could e nable the output comparator mode. in this mode, the pin will be alerted if the monitored temperature is out - of - limit and the pin keeps low until the temperature goes back to the target range. this mode is not power on default setting . fig. 7.3.1 response of output comparator mode alert w 83 l 771 awg / asg alert pin w 83 l 771 awg / asg high limit status measured temperature by w 83 l 771 awg / asg high limit alert alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 8 - w83l771awg/W83L771ASG 7.3.2 output interrupt mode fig. 7.3.2 shows the mechanism of the output interrupt mode. i n this mode , the w83l771awg/ asg will set the alert mask bit d7 of configuration registe r during a read of the status register if any flag in status register , except the busy flag d7 and open flag d2, is set. this prevents further triggering until the master has reset the alert mask bit, at the end of the interrupt ser vice routine. the status register flags are cleared only upon a read command from the master and will be re - alerted at the end of the nex t temperature conversion i f the measured temperature still falls outside of the allowed range . fig. 7.3.2 response of output interrupt mode alert w 83 l 771 awg / asg alert pin w 83 l 771 awg / asg high limit status measured temperature by w 83 l 771 awg / asg high limit alert mask set in response to reading of status register by master end of temperature conversion alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 9 - w83l771awg/W83L771ASG 7.3.3 output smbus tm alert mode fig. 7.3.3 shows the mechanism of the output smbus tm alert mode. i n this mode , the output of the w83l771awg /asg is connected to the smbus tm alert line which has more than one device connected to it . through such an implementation, smbus tm alert mode can assist the master in resolving which slave generates an interrupt. when the measur ed temperature fall s outside of the allowed range , the pin will be pulled low and the corresponding alert flags in status register will be pulled high. t he alert mask bit will just be set i f there is a read command for status regist er or when smbus tm alert response address (ara) occurs from master (alert response address is 0001100) . meanwhile, the w83l771 a w g/asg will generate and return its own address to the master. if the temperature never falls outside of the allowed range , the l atched pin can release by the reset alert mask bit and the latched corresponding alert flags in status register can release by reading command for status register. please also refer to the w83l771awg_773g_775g application note 3.pdf for implementation. fig. 7.3.3 response of output smbus alert mode alert w 83 l 771 awg / asg alert pin w 83 l 771 awg / asg high limit status measured temperature by w 83 l 771 awg / asg high limit alert mask set in response to alert response address from master end of temperature conversion alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 10 - w83l771awg/W83L771ASG 7.4 output and t_crit flags output pulls low when the measured temperature exceeds the cr itical temperature (t_crit) defined in 19h, and 20h for remote, and local t_crit set point, respectively. once the output pulls low , it will not be set high until the measured temperature is lower than (t_crit th), where th is tem perature hysteresis. status register will not be reset until it is read and the temperature conversion falls below the t_crit set point. the alert will also be asserted for t_crit event, figure 7.4 shows this mechanism. please also refer to the w83l771awg_ 773g_775g application note 4. x .pdf for implementation. fig. 7.4 response of output t_crit# set point th value t_crit - th measured temperature by w83l771 w83l771 t_crit# pin w83l771 t_crit status w8 3l771 read command for status register w83l771 alert# pin w83l771 status register read alert mask will be set a crit t _ _ a crit t _ _ a crit t _ _
publication release date: 2009/ 1 1/19 version: 1. 91 - 11 - w83l771awg/W83L771ASG 7.5 measured temperature data format t he w83l771 a w g/asg can measure r emote t emperature with the resolution of 11 - bit two?s complement format and l ocal t emperature with the resolution of 8 - bit two?s complement format . 7.5.1 measure remote temperature data format table 7.5.1 shows the remote temperature data with 11 - bit two?s complement format . table 7.5.1 measured remote tempe rature data format temperature 8 - bit digital output h igh byte 8 - bit digital output l ow byte +127.875 c 0111,1111 111x,xxxx +25.750 c 0001,1001 110x,xxxx +2.250 c 0000,0010 010x,xxxx +1.125 c 0000,0001 001x,xxxx +0.000 c 0000,0000 000x,xxxx - 1.125 c 1111,111 0 111x,xxxx - 2.250 c 1111,11 01 110x,xxxx - 25.750 c 1110,011 0 010x,xxxx - 12 7 .875 c 1000,0000 001x,xxxx 7.5.2 measure local temperature data format table 7.5.2 shows the local temperature data with 8 - bit two?s complement format . table 7.5.2 measured local temperature data format temperature 8 - bit digital output +127 c 0111,1111 +25 c 0001,1001 +2 c 0000,0010 +1 c 0000,0001 +0 c 0000,0000 - 1 c 1111,1111 - 2 c 1111,1110 - 25 c 1110,0111 - 128 c 1000,0000
publication release date: 2009/ 1 1/19 version: 1. 91 - 12 - w83l771awg/W83L771ASG 7.6 digital filter t he w83l771awg/asg p rovides three digital filter levels to suppress erroneous remote temperature readings due to noise. the register address to set the digital filter is at filter and alert configure register. if set bits = <0, 0> , then no filter is selected. if set bits = <0, 1> or <1, 0> , then filter level 1 is selected. if set bits = <1, 1> , then level 2 is selected. figure 7. 6 .1 shows the step response of reading remote temperature with different filter level , and figure 7. 6 .2 shows the impulse r esponse. figure 7. 6 .1 step response of reading remote temperature figure 7 . 6 .2 impulse response of reading remote temperature sample number t e m p e r a t u r e ( o c ) 2 5 3 0 3 5 4 0 4 5 5 0 0 5 1 0 1 5 2 0 2 5 filter level 1 filter level 2 no filter level sample number t e m p e r a t u r e ( o c ) 2 5 3 0 3 5 4 0 4 5 5 0 0 5 1 0 1 5 2 0 2 5 filter level 1 filter level 2 no filter level
publication release date: 2009/ 1 1/19 version: 1. 91 - 13 - w83l771awg/W83L771ASG 7.7 fault detect table 7 . 7 shows the response of fault detection if t he false c onnection of d + and d - occur s after the power - up. please also refer to the w83l771awg_773g_775g application note 2.pdf for implementation. table 7. 7 response of fault detect connection (d + , d - ) status register bit measured remote temperature (vd d, floating) 1 +12 7. 8 75 7.8 c o nversion rate and moving average t he w83l771 a w g/asg provide s an embedded moving average into conversion rate selection. e ach conversion rate c an set a couple of proper noise rejection and average supply current.
publication release date: 2009/ 1 1/19 version: 1. 91 - 14 - w83l771awg/W83L771ASG 8. control and status r egister 8.1 w83l771 awg/asg registers register name (hex) read address (hex) write address (hex) power on default sta tes binary / hex decimal local tempera ture (lt) 00h read only 0000,0000b / 00h 0 remote temperature high byte (rthb) 01h read only 0000,0000b / 00h 0 status register 1 (sr) 02h read only 0000,0000b / 00h 0 configuration (c) 03h 09h 0000,000 1 b / 0 1 h 1 conversion rate (cr) 04h 0ah 0000,1000 b / 08h 8 local high set point (lhs) 05h 0bh 0100,0110b / 46h 70 local low set point (lls) 06h 0ch 1101,1011b / dbh - 40 remote high set point high byte (rhshb) 07h 0dh 0100,0110b / 46h 70 remote low set point high byte (rlshb) 08h 0eh 1101,1011b / dbh - 40 remote temperature low b yte (rtlb) 10h read only 0000,0000b / 00h 0 remote temperature offset high byte (rtohb) 11h 11h 0000,0000b / 00h 0 remote temperature offset low byte (rtolb) 12h 12h 0000,0000b / 00h 0 remote high set point low byte (rhslb) 13h 13h 0000,0000b / 00h 0 remote low set point low byte (rlslb) 14h 14h 0000,0000b / 00h 0 remote t_crit set point (rcs) 19h 19h 0110,1110b / 6eh 110 local t_crit set point (lcs) 20h 20h 0101,0101b / 55h 85 t_crit set point (th) 21h 21h 0000,1010b / 0 ah 10 remote diode temperature filter (rdtf) bfh bfh 0000,0000b / 00h 0 remote diode ideality (idea) e3 h e3 h 1 000,0 10 0b / 84 h 132 read manufacturer?s id (rmid) feh read only 0101,1100b / 5ch 92 read die revision (rdr) ffh read only 000 1 ,0000b / 10 h 000 1 ,000 1 b / 11 h 0001,0011b / 13h 16 17 19
publication release date: 2009/ 1 1/19 version: 1. 91 - 15 - w83l771awg/W83L771ASG 8.2 data format of temperature registers (lt, rthb, rtlb, lhs, rhshb, rhslb, lls, rlshb, rlslb , rtohb, rtolb, rcs, lcs) the following table shows the data format, two ? s complement, of the temperature, including local t emperature (lt), remote temperature high byte (rthb), local high set point (lhs) , remote high set point high byte (rhshb) , local low set point (lls) , remote low set point high byte (rlshb) , remote temperature offset high byte (rtohb) , remote t_crit set poi nt (rcs) , local t_crit set point (lcs) , remote temperature low byte (rtlb) , remote high set point low byte (rhslb) , remote low set point low byte (rls l b) , and remote temperature offset low byte (rtolb) . only remote temperature, remote high set point, remot e low set point, and remote temperature offset support two bytes, up to 0.125 resolution, for t he temperature data format; others support one b yte, up to 1 resolutio n, for the temperature data format. register of high byte : lt, rthb, lhs, rhs hb, lls, rlshb , rtohb, rcs, lcs data format: twos c omplement format bit d7 d6 d5 d4 d3 d2 d1 d0 value sign 64 32 16 8 4 2 1 unit: register of low byte : rtlb, rhslb, rls l b , rtolb data format: twos c omplement format bit d7 d6 d5 d4 d3 d2 d1 d0 value 0.5 0.25 0.125 0 0 0 0 0 the following table shows some examples. temperature r egi ster of high byte register of low byte (if any) d7 d6 d5 d4 d3 d2 d1 d0 d7 d6 d5 d4 d3 d2 d1 d0 +127.875
publication release date: 2009/ 1 1/19 version: 1. 91 - 16 - w83l771awg/W83L771ASG 8.3 status register (sr) read address: 02 h w rite address: read only power on default states : 0 0 h bit flag name description d7 busy setting to ?1? indicates adc is busy converting. to ?1? indicates a measured local temperature higher than local high set to ?1? indicates a measured local temperature lower than local low set to ?1? indicates a measured remote temperature higher than remote to ?1? indicates a measured to ? ? indicates to ? ? indicates to ?1? indicates a remote critical temperature alarm. to ?1? indicates a local critical temperature alarm. 8.4 configuration register (c) read address: 0 3 h write address: 0 9 h power on default states : 0 1 h bit flag name desc ription d7 mask if this bit is set to ?1? stop/ if this bit is set to ?1 ? if this bit is set to ?1? remote if this bit is set to ?1? local alert run a crit t _ _ a crit t _ _ a crit t _ _ a crit t _ _
publication release date: 2009/ 1 1/19 version: 1. 91 - 17 - w83l771awg/W83L771ASG 8.5 t_crit hysteresis register (th) read address: 21 h write address: 21 h power on default states : 0 a h register: th ( max . value: 31 ) bit d7 d6 d5 d4 d3 d2 d 1 d0 value 0 0 0 16 8 4 2 1 unit: 8.6 conversion rate register (cr) read address: 0 4 h write address: 0 a h power on default states : 0 8 h r egister: cr ( d efault conversion ra te: 16hz) (opena, openb) 0 1 temp. sensor 1 local + 1remote(a or b) 1 local bit frequency/time(sec) avera ge i vdd frequency/time(sec) average i vdd 00h 0.0625hz/16 == 0.0625hz/16 == 01h 0.125hz/8 == 0.125hz/8 == 02h 0.25hz/4 == 0.25hz/4 == 03h 0.5hz/2 211ua 0.5hz/2 211ua 04h 1hz/1 232ua 1hz/1 232ua 05h 2hz/0.5 331ua 2hz/0.5 331ua 06h 4hz/0.25 393ua 4hz/0 .25 393ua 07h 8hz/0.125 589ua 8hz/0.125 589ua 08h 16hz/0.0625 833ua 16hz/0.0625 833ua 09h - ffh reserve d reserve d
publication release date: 2009/ 1 1/19 version: 1. 91 - 18 - w83l771awg/W83L771ASG 8.7 filter and alert configure register (rdtf) read address: bf h write address: bf h power on default states : 0 0 h bit command description 0 no definition and this bit can be read as 0. rdtfa filter level =<0, 0>: no filter selected =<0, 1> or <1, 0>: filter level 1 selected =<1, 1>: filter level 2 selected d0 configure if this bit is set to ?1? 8.8 ideality ( idea ) the ideality f actor is dependant upon the process that was used in the fabrication of the particular diode. read address: e3 h write address: e3 h power on default st ates : 84 h register: idea ( default ideality : 1.003) bit range 86h 0.9851~0.9924 85h 0.9925~1.0000 84h 1.0001~1.0076 83h 1.0077~1.0153 82h 1.0154~1.0232 81h 1.0233~1.0312 80h 1.0313~1.0393 7fh 1.0394~1.0476 7eh 1.0477~1.0560 7dh 1.0561~1.0 645 7ch 1.0646~1.0731 7bh 1.0732~1.0819 00h - 7ah, 87h - ffh reserve d alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 19 - w83l771awg/W83L771ASG 9. electrical character istic 9.1 absolute maximum ratings parameter rating unit power supply voltage 3.3v ? 10% v input voltage - 0. 3 to +3.6 v operating temperature * - 40 to + 12 5 ? c st orage temperature - 50 to +150 ? c *guaranteed by design, 100% test at 85 degreec. note: exposure to conditions beyond those listed under absolute maximum ratings may adversely affect the life and reliability of the device. 9.2 dc characteristics (ta = 0 ? c to 85 ? c, vdd = 3.3v ? 10% , vss = 0v) parameter sym. min. typ. max. unit conditions i/o 12ts - ttl level bi - directional pin with source - sink capability of 12 ma and schmitt - trigger level input input low threshold voltage v t - 0.5 0.8 1.1 v v dd = 3.3 v in put high threshold voltage v t+ 1.6 2.0 2.4 v v dd = 3.3 v hysteresis v th 0.5 1.2 v v dd = 3.3 v output low voltage v ol 0.4 v i ol = 12 ma output high voltage v oh 2.4 v i oh = - 12 ma input high leakage i lih +10 ? in = v dd input low leakage i lil - 10 ? in = 0v od 12 - open - drain output pin with sink capability of 12 ma output low voltage v ol 0.4 v i ol = 12 ma in ts - ttl level schmitt - triggered input pin input low threshold voltage v t - 0.5 0.8 1.1 v v dd = 3.3 v input high threshold voltag e v t+ 1.6 2.0 2.4 v v dd = 3.3 v hysteresis v th 0.5 1.2 v v dd = 3.3 v input high leakage i lih +10 ? in = v dd input low leakage i lil - 10 ? in = 0 v
publication release date: 2009/ 1 1/19 version: 1. 91 - 20 - w83l771awg/W83L771ASG 9.3 ac characteristics timing for w83l771awg/asg : parameter symbol min. max. unit scl clock period t - scl 2.5 us start condition hold time t hd;sda 1.5 us stop condition setup - up time t su;sto 1 us data to scl setup time t su;dat 120 ns data to scl hold time t hd;dat 5 ns scl and sda rise time t r 1.0 us scl and sda fall time t f 300 ns valid data scl sda in sda out t hd;sda t scl t su;dat t su;sto serial bus timing diagram t r t r t hd;dat
publication release date: 2009/ 1 1/19 version: 1. 91 - 21 - w83l771awg/W83L771ASG 10. top marking specifications 10.1 w83l771awg , w83l771awg - 2 and W83L771ASG - 2 top marking first +second line ic part number: 771awg (w83l771awg) , 771awg - 2 (w83l771awg - 2), 771asg - 2 (W83L771ASG - 2) second line tracking code 1 g assembly house code ba mask version (eliminated from the top marking of w83l771awg - 2 and W83L771ASG - 2 ) third line tracking code 2 7 the p ackage is made in 200 7 15 week: 15 b ic version 10.2 w83l771a s g top mark ing first +second line ic part number: W83L771ASG third line tracking code 2 7 the p ackage is made in 200 7 15 week: 15 g assembly house code b ic version 77 1aw g g b a 715 b 77 1aw g - 2 g 715 d 77 1as g - 2 g 715 d w 83l7 71asg 71 5 gb
publication release date: 2009/ 1 1/19 version: 1. 91 - 22 - w83l771awg/W83L771ASG 11. package specificatio n s 11.1 t ssop (msop) 8l 3x3 mm 2
publication release date: 2009/ 1 1/19 version: 1. 91 - 23 - w83l771awg/W83L771ASG 11.2 sop 8 150mil e 1 8 5 4 control demensions are in milmeters . ? e
publication release date: 2009/ 1 1/19 version: 1. 91 - 24 - w83l771awg/W83L771ASG 12. revision history version date page description 1.0 01/28/2008 20 the versions before 1.0 are preliminary version remove section 8.9 configuration on beta compensat ion technology. 1.1 03/04/2008 3, 5, 6, 8, 9, 10, 15, 17, 20 1. m odify chapter 4 block diagram. 2. add the descriptions of power and ground to chapter 6 pin descriptions. 3. c orrect the description and update alert protocol to alert mode in section 7.1 gen eral description. 4. update the descriptions in 7.3.2 o utput i nterrupt m ode . 5. update figure 7.3.1, figure 7.3.2, figure 7.3.3, figure 7.4, and figure 7.6.1. 6. update rdtf1 to rdtf , remove remote diode ideality low byte , and correct the default of remote d i ode ideality in section 8.1 w83l771awg/asg registers. 7. update the information in section 9.1 absolute maximum ratings. 8. modify the description of bit d2 of 8.3 status register. 1.2 03/25/2008 17 - 19 1. add the power - on d efault states, read address, and write address of registers 1.3 01/15/2009 1,15,19,22 1. modified the typo of ideality cr[e3h] default value. 2. added w83l771awg - 2/asg - 2 info. 1.4 02/03/2009 3 1. modified the remote temperature accuracy range. 1.5 03/06/2009 3 1. added maximum accuracy range definition. 1.6 04/1 5 /2009 3,19 1. modified the operation temperature range definition. 1.7 06/18/2009 2 added processor type support description. 1.8 10/7/2009 9,10,13 1. added apn reference description. 2. added applica tion notice for t_crit#. 1.9 10/21/2009 20 1. modified the ac characteristic to support 400khz serial bus . 1.91 11/19/2009 21 1. correct the top marking alert
publication release date: 2009/ 1 1/19 version: 1. 91 - 25 - w83l771awg/W83L771ASG important notice nuvoton products are neither intended nor warranted for usage in systems or equipment, any malfunction or failure of which may cause loss of human life, bodily injury or severe property damage. such applications are deemed , insecure usage. insecure usage includes, but is not limited to: equipment for surgical implementation, at omic energy control instruments, airplane or spaceship instruments, the control or operation of dynamic, brake or safety systems designed for vehicular use, traffic signal instruments, all types of safety devices, and other applications intended to support or sustain life. all insecure usage shall be made at customers risk, and in the event that third parties lay claims to nuvoton as a result of customers insecure usage, customer shall indemnify the damages and liabilities thus incurred by nuvoton.

▲Up To Search▲

Price & Availability of W83L771ASG

	To Download W83L771ASG Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .