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w83176r-401 W83176G-401 winbond current mode differential buffer for pci express and sata date: may,2006 revision: 0.6
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - i - revision 0.6 w83176r-401/W83176G-401 data sheet revision history pages dates version web version main contents 1 n.a. 06/05/04 0.5 n.a. all of the versions before 0.50 are for internal use. 2 05/16/06 0.6 n.a add pb-free part no : W83176G-401 3 4 5 6 7 8 9 10
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - ii - table of content- 1. general des cription ......................................................................................................... 1 2. product f eatures .............................................................................................................. 1 3. pin config uration .............................................................................................................. .2 4. block diagram .................................................................................................................. .... 3 5. pin descri ption................................................................................................................ ..... 4 5.1 clock outputs .................................................................................................................. .........4 5.2 power pins..................................................................................................................... ...........5 6. i 2 c control and stat us registers ............................................................................... 6 6.1 register 0: control regi ster (default: 07h) .............................................................................6 6.2 register 1: control regi ster (default: ffh) .............................................................................6 6.3 register 2: control regi ster (default: 00h) .............................................................................6 6.4 register 3: reserved re gister (default: 00h) .........................................................................7 6.5 register 4: winbond chip id ? project code register (default: 11h)....................................7 6.6 register 5: test regi ster (default: 00h) ..................................................................................7 7. access inte rface ............................................................................................................... .8 7.1 block write protocol ........................................................................................................... ......8 7.2 block read protocol ............................................................................................................ .....8 7.3 byte write protocol ............................................................................................................ .......8 7.4 byte read protocol............................................................................................................. ......8 8. ordering info rmation....................................................................................................... 9 9. how to read the top marking........................................................................................ 9 10. package drawing an d dimens ions.............................................................................. 10
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 1 - revision 0.6 1. general description the w83176r-401 supports eight current mode di fferential clock pair?s buffer output companion devices to ck409 or ck410 clock generator. the w83176r-401 provides i 2 c serial bus interface to program the registers to enable or disable each clock outputs. the w83176r-401 accepts a reference clock as its input current mode differential pair?s clock. 2. product features ? eight current mode differential clock pairs clock outputs ? support zero delay buffer mode and normal buffer mode ? supports every clock pairs hardware output enable/disable pin ? programmable pll bandwidth ? support pll or normal mode buffer output ? low skew outputs (< 50ps) ? low cycle to cycle jitter (<100ps) ? i 2 c 2-wire serial interface and supports byte or block data r/w ? 48-pin ssop package
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - 2 - 3. pin configuration *: internal pull-up resistor 120k to vdd
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 3 - revision 0.6 4. block diagram
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - 4 - 5. pin description buffer type symbol description in input out output in tp120k latched input at power up, internal 120k ? pull up. * internal 120k ? pull-up # low active 5.1 clock outputs pin pin name type description 4,5 srct_in srcc_in in 0.7v src differential clock inputs. 8,9,12,13,16, 17,20,21,30, 29,34,33,38, 37,42,41 dift/c (0:7) out 0.7v differential clock pair outputs. 1 src_div in for selecting input frequency divided by two, active low 6,14,15,7, 43,35,36,44 oe _(0:7)* in dift/c (1:7) output control, 0= tri-state, 1=enable output, this is internal 120k pull up. 23 sclk * in serial clock of i 2 c 2-wire control interface internal pull-up resistor 120k to vdd 24 sdata * i/o serial data of i 2 c 2-wire control interface internal pull-up resistor 120k to vdd 26 pd#* in a ctive low to power down the device into low power state is stopped vco and all output buffers, this is internal 120k pull up. 27 src_stop#* in active low to stop differential output buffers, this is internal 120k pull up. 28 high_bw#* in tp120k latched input at power up to selecting pll band width 0=high, 1=low, this is internal 120k pull up. 46 iref in deciding the reference current for the differential clock pairs. the pin was connected to the precision resistor tied to ground to decide the appropriate current; 475 ohm is the standard value for 0.7v differential clock output. 45 lock out latched output, transitions high when pll lock is achieved. 22 pll/normal# in 1= pll mode, 0=normal buffer mode.
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 5 - revision 0.6 5.2 power pins pin pin name description 3,10,18,25,32,40,47 gnd ground 2,11,19,31,39 vdd power supply 3.3v 48 vdda analog power supply, 3.3v
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - 6 - 6. i 2 c control and status registers 6.1 register 0: control register (default: 07h) bit name pwd description 7 pd_dm 0 pd# drive mode, 0:driven, 1:hi-z 6 src_st_dm 0 src_stop drive mode, 0:driven, 1:hi-z 5 sel_srcdiv 0 0:control by pin, 1:control by i2c 4 sel_normal 0 0:control by pin, 1:control by i2c 3 sel_pllbw 0 0:control by pin, 1:control by i2c 2 pll_bw_ adj 1 0:high bw, 1:low bw 1 normal#/pll 1 0:normal buffer, 1:pll mode 0 src_div# 1 0:divided by 2 m ode, 1:normal (output=input) 6.2 register 1: control register (default: ffh) bit name pwd description 7 dif7_en 1 0:disabled (hi-z), 1:enable 6 dif6_en 1 0:disabled (hi-z), 1:enable 5 dif5_en 1 0:disabled (hi-z), 1:enable 4 dif4_en 1 0:disabled (hi-z), 1:enable 3 dif3_en 1 0:disabled (hi-z), 1:enable 2 dif2_en 1 0:disabled (hi-z), 1:enable 1 dif1_en 1 0:disabled (hi-z), 1:enable 0 dif0_en 1 0:disabled (hi-z), 1:enable 6.3 register 2: control register (default: 00h) bit name pwd description 7 dif7stop_en 0 0:free-run, 1:stoppable 6 dif6stop_en 0 0:free-run, 1:stoppable 5 dif5stop_en 0 0:free-run, 1:stoppable 4 dif4stop_en 0 0:free-run, 1:stoppable 3 dif3stop_en 0 0:free-run, 1:stoppable 2 dif2stop_en 0 0:free-run, 1:stoppable 1 dif1stop_en 0 0:free-run, 1:stoppable 0 dif0stop_en 0 0:free-run, 1:stoppable
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 7 - revision 0.6 6.4 register 3: reserved register (default: 00h) bit name pwd description 7 reserved 0 reserved 6 reserved 0 reserved 5 reserved 0 reserved 4 reserved 0 reserved 3 reserved 0 reserved 2 reserved 0 reserved 1 reserved 0 reserved 0 reserved 0 reserved 6.5 register 4: winbond chip id ? proj ect code register (default: 11h) bit name pwd description 7 chpi_id [7] 0 winbond chip id. w83176r-401 (sa5911). 6 chpi_id [6] 0 winbond chip id. 5 chpi_id [5] 0 winbond chip id. 4 chpi_id [4] 1 winbond chip id. 3 chpi_id [3] 0 winbond chip id. 2 chpi_id [2] 0 winbond chip id. 1 chpi_id [1] 0 winbond chip id. 0 chpi_id [0] 1 winbond chip id. 6.6 register 5: test register (default: 00h) bit name pwd description 7 test1 0 reserved 6 test0 0 reserved 5 reserved 0 reserved 4 reserved 0 reserved 3 reserved 0 reserved 2 reserved 0 reserved 1 reserved 0 reserved 0 reserved 0 reserved
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - 8 - 7. access interface the w83176r-401 provides i 2 c serial bus for microprocessor to re ad/write internal registers. in the w83176r-401 is provided block read/block write and byte-data read/write protocol. the i 2 c write address is defined at 0xdc. the i 2 c read address is defined at 0xdd. 7.1 block write protocol 7.2 block read protocol ## in block mode, the command code must filled ?00h? 7.3 byte write protocol 7.4 byte read protocol ## in byte mode, the index no= (register no) + 1
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 9 - revision 0.6 8. ordering information part number package type production flow w83176r-401 48 pin ssop commercial, 0 c to +70 c W83176G-401 48 pin ssop (pb-free package) commercial, 0 c to +70 c 9. how to read the top marking 1st line: winbond logo and the type number: w83176r-401, W83176G-401(pb-free part no) 2nd line: tracking code 2 8051234 2 : wafers manufactured in winbond fab 2 8051234 : wafer production series lot number 3rd line: tracking code 414 g b sa 414 : packages made in '2004 , week 14 g : assembly house id; o means ose, g means gr b : ic revision sa : for internal use all the trademarks of products and companies mentioned in this datasheet belong to their respective owners . w83176r-401 28051234 414gbsa W83176G-401 28051234 414gbsa
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata - 10 - 10. package drawing and dimensions
w83176r-401, W83176G-401 current mode differential buffer for pci express and sata publication release date: may, 2006 - 11 - revision 0.6 important notice winbond products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surg ical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other applications intended to support or sustain life. further more, winbond products are not intended for applications wherein failure of winbond products could result or lead to a situation wherein personal injury, death or severe property or environmental damage could occur. winbond customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify winbond for any damages resulting from such improper use or sales. headquarters no. 4, creation rd. iii, science-based industrial park, hsinchu, taiwan tel: 886-3-5770066 fax: 886-3-5665577 http://www.winbond.com.tw/ taipei office tel: 886-2-8177-7168 fax: 886-2-8751-3579 winbond electronics corporation america 2727 north first street, san jose, ca 95134, u.s.a. tel: 1-408-9436666 fax: 1-408-5441798 winbond electronics (h.k.) ltd. no. 378 kwun tong rd., kowloon, hong kong fax: 852-27552064 unit 9-15, 22f, millennium city, tel: 852-27513100 please note that all data and specifications are subject to change without notice. all the trademarks of products and companies mentioned in this datasheet belong to their respective owners. winbond electronics (shanghai) ltd. 200336 china fax: 86-21-62365998 27f, 2299 yan an w. rd. shanghai, tel: 86-21-62365999 winbond electronics corporation japan shinyokohama kohoku-ku, yokohama, 222-0033 fax: 81-45-4781800 7f daini-ueno bldg, 3-7-18 tel: 81-45-4781881 9f, no.480, rueiguang rd., neihu district, taipei, 114, taiwan, r.o.c.

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