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sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 1 post office box 655303 ? dallas, texas 75265 state-of-the-art advanced bicmos technology (abt) design for 3.3-v operation and low static power dissipation support mixed-mode signal operation (5-v input and output voltages with 3.3-v v cc ) support unregulated battery operation down to 2.7 v typical v olp (output ground bounce) < 0.8 v at v cc = 3.3 v, t a = 25 c esd protection exceeds 2000 v per mil-std-883c, method 3015; exceeds 200 v using machine model (c = 200 pf, r = 0) latch-up performance exceeds 500 ma per jedec standard jesd-17 bus-hold data inputs eliminate the need for external pullup resistors support live insertion package options include plastic small-outline (dw), shrink small-outline (db), and thin shrink small-outline (pw) packages, ceramic chip carriers (fk), and ceramic (jt) dips description these octal transceivers are designed specifically for low-voltage (3.3-v) v cc operation, but with the capability to provide a ttl interface to a 5-v system environment. the 'lvt543 contain two sets of d-type latches for temporary storage of data flowing in either direction. separate latch-enable (leab or leba ) and output-enable (oeab or oeba ) inputs are provided for each register to permit independent control in either direction of data flow. the a-to-b enable (ceab ) input must be low in order to enter data from a or to output data from b. if ceab is low and leab is low, the a-to-b latches are transparent; a subsequent low-to-high transition of leab puts the a latches in the storage mode. with ceab and oeab both low, the 3-state b outputs are active and reflect the data present at the output of the a latches. data flow from b to a is similar but requires using the ceba , leba , and oeba inputs. active bus-hold circuitry is provided to hold unused or floating data inputs at a valid logic level. copyright ? 1995, texas instruments incorporated unless otherwise noted this document contains production data information current as of publication date. products conform to specifications per the terms of texas instruments standard warranty. production processing does not necessarily include testing of all parameters. sn54lvt543 ...jt p ackage sn74lvt543 . . . db, dw, or pw package (top view) 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 leba oeba a1 a2 a3 a4 a5 a6 a7 a8 ceab gnd v cc ceba b1 b2 b3 b4 b5 b6 b7 b8 leab oeab sn54lvt543 . . . fk package (top view) 3212827 12 13 5 6 7 8 9 10 11 25 24 23 22 21 20 19 b2 b3 b4 nc b5 b6 b7 a2 a3 a4 nc a5 a6 a7 426 14 15 16 17 18 a8 ceab gnd nc oeab leab b8 a1 oeba leba nc ceba b1 v cc nc no internal connection please be aware that an important notice concerning availability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 2 post office box 655303 ? dallas, texas 75265 description (continued) to ensure the high-impedance state during power up or power down, oe should be tied to v cc through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. the sn74lvt543 is available in ti's shrink small-outline package (db), which provides the same i/o pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area. the sn54lvt543 is characterized for operation over the full military temperature range of 55 c to 125 c. the sn74lvt543 is characterized for operation from 40 c to 85 c. function table 2 inputs output ceab leab oeab a b h x x x z x xhx z l hlxb 0 3 l lll l l l l h h 2 a-to-b data flow is shown; b-to-a flow control is the same except that it uses ceba , leba , and oeba . 3 output level before the indicated steady-state input conditions were established logic symbol 1 1 4 2c6 14 3 a1 4 a2 b1 22 5d 5 a3 6 a4 7 a5 8 a6 9 a7 10 a8 b2 21 b3 20 b5 18 b4 19 b6 17 b8 15 b7 16 leab 3 g2 11 ceab 2en4 13 oeab 1c5 1 leba g1 23 ceba 1en3 2 oeba 6d this symbol is in accordance with ansi/ieee std 91-1984 and iec publication 617-12. pin numbers shown are for the db, dw, jt, and pw packages.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 3 post office box 655303 ? dallas, texas 75265 logic diagram (positive logic) oeba ceba leba oeab ceab leab a1 b1 c1 1d c1 1d 2 23 1 13 11 14 3 22 to seven other channels pin numbers shown are for the db, dw, jt, and pw packages. absolute maximum ratings over operating free-air temperature range (unless otherwise noted) 2 supply voltage range, v cc 0.5 v to 4.6 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage range, v i (see note 1) 0.5 v to 7 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high state or power-off state, v o (see note 1) 0.5 v to 7 v . . . . current into any output in the low state, i o : sn54lvt543 96 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . sn74lvt543 128 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . current into any output in the high state, i o (see note 2): sn54lvt543 48 ma . . . . . . . . . . . . . . . . . . . . . . . . . sn74lvt543 64 ma . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0) 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output clamp current, i ok (v o < 0) 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . maximum power dissipation at t a = 55 c (in still air) (see note 3): db package 0.65 w . . . . . . . . . . . . . . . . . . . dw package 1.7 w . . . . . . . . . . . . . . . . . . . pw package 0.7 w . . . . . . . . . . . . . . . . . . . storage temperature range, t stg 65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 stresses beyond those listed under aabsolute maximum ratingso may cause permanent damage to the device. these are stress rating s only, and functional operation of the device at these or any other conditions beyond those indicated under arecommended operating conditi onso is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. the input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observe d. 2. this current flows only when the output is in the high state and v o > v cc . 3. the maximum package power dissipation is calculated using a junction temperature of 150 c and a board trace length of 750 mils. for more information, refer to the package thermal considerations application note in the 1994 abt advanced bicmos technology data book , literature number scbd002b.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 4 post office box 655303 ? dallas, texas 75265 recommended operating conditions (see note 4) sn54lvt543 sn74lvt543 unit min max min max unit v cc supply voltage 2.7 3.6 2.7 3.6 v v ih high-level input voltage 2 2 v v il low-level input voltage 0.8 0.8 v v i input voltage 5.5 5.5 v i oh high-level output current 24 32 ma i ol low-level output current 48 64 ma d t/ d v input transition rise or fall rate outputs enabled 10 10 ns / v t a operating free-air temperature 55 125 40 85 c note 4: unused control inputs must be held high or low to prevent them from floating. product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 5 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions sn54lvt543 sn74lvt543 unit parameter test conditions min typ 2 max min typ 2 max unit v ik v cc = 2.7 v, i i = 18 ma 1.2 1.2 v v cc = min to max 3 , i oh = 100 m a v cc 0.2 v cc 0.2 v oh v cc = 2.7 v, i oh = 8 ma 2.4 2.4 v v oh v cc =3v i oh = 24 ma 2 v v cc = 3 v i oh = 32 ma 2 v cc =27v i ol = 100 m a 0.2 0.2 v cc = 2 . 7 v i ol = 24 ma 0.5 0.5 v ol i ol = 16 ma 0.4 0.4 v v ol v cc =3v i ol = 32 ma 0.5 0.5 v v cc = 3 v i ol = 48 ma 0.55 i ol = 64 ma 0.55 v cc = 3.6 v, v i = v cc or gnd control 1 1 v cc = 0 or max 3 , v i = 5.5 v inputs 10 10 i i v i = 5.5 v 20 20 m a v cc = 3.6 v v i = v cc a or b ports 5 5 v i = 0 10 10 i off v cc = 0, v i or v o = 0 to 4.5 v 100 m a i i(h ld) v cc =3v v i = 0.8 v aorb p orts 75 75 m a i i(hold) v cc = 3 v v i = 2 v a or b ports 75 75 m a i ozh v cc = 3.6 v, v o = 3 v 1 1 m a i ozl v cc = 3.6 v, v o = 0.5 v 1 1 m a outputs high 0.13 0.19 0.13 0.19 i cc v cc = 3.6 v, i o = 0, outputs low 8.8 12 8.8 12 ma i cc v i = v cc or gnd outputs disabled 0.13 0.19 0.13 0.19 ma d i cc ? v cc = 3 v to 3.6 v, one input at v cc 0.6 v, other inputs at v cc or gnd 0.2 0.2 ma c i v i = 3 v or 0 4.5 4.5 pf c io v o = 3 v or 0 11 11 pf 2 all typical values are at v cc = 3.3 v, t a = 25 c. 3 for conditions shown as min or max, use the appropriate value specified under recommended operating conditions. unused terminals at v cc or gnd ? this is the increase in supply current for each input that is at the specified ttl voltage level rather than v cc or gnd. product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 6 post office box 655303 ? dallas, texas 75265 timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see figure 1) sn54lvt543 sn74lvt543 v cc = 3.3 v 0.3 v v cc = 2.7 v v cc = 3.3 v 0.3 v v cc = 2.7 v unit min max min max min max min max t w pulse duration, leab or leba low 3.3 3.3 3.3 3.3 ns a or b before leab or data high 0 0 0 0 t setu p time leba data low 0.8 1.1 0.8 1.1 ns t su set u p time a or b before ceab or data high 0 0 0 0 ns ceba data low 0.9 1.2 0.9 1.2 t h hold time a or b after leab or leba 1.7 1.7 1.7 1.7 ns t h hold time a or b after ceab or ceba 1.8 1.8 1.8 1.8 ns switching characteristics over recommended operating free-air temperature range, c l = 50 pf (unless otherwise noted) (see figure 1) sn54lvt543 sn74lvt543 parameter from (input) to (output) v cc = 3.3 v 0.3 v v cc = 2.7 v v cc = 3.3 v 0.3 v v cc = 2.7 v unit min max min max min typ 2 max min max t plh aorb bora 1 4.9 5.7 1 2.9 4.7 5.5 ns t phl a or b b or a 1 4.8 6 1 3.3 4.6 5.8 ns t plh le aorb 1 6.1 7.5 1 4 5.9 7.3 ns t phl le a or b 1 5.9 7.5 1 4.1 5.7 7.3 ns t pzh oe aorb 1 6 7.8 1 4.1 5.8 7.6 ns t pzl oe a or b 1.1 6.6 8.4 1.1 4.5 6.4 8.2 ns t phz oe aorb 2.4 6.7 7.3 2.4 4.8 6.5 7.1 ns t plz oe a or b 2 6 6.1 2 4 5.8 5.9 ns t pzh ce aorb 1 6.2 7.8 1 4.2 6 7.6 ns t pzl ce a or b 1.4 6.9 8.5 1.4 4.7 6.7 8.3 ns t phz ce aorb 2.3 6.6 7.3 2.3 4.7 6.4 7.1 ns t plz ce a or b 2 5.6 5.8 2 3.8 5.4 5.6 ns 2 all typical values are at v cc = 3.3 v, t a = 25 c. product preview information concerns products in the formative or design phase of development. characteristic data and other specifications are design goals. texas instruments reserves the right to change or discontinue these products without notice.
sn54lvt543, sn74lvt543 3.3-v abt octal registered transceivers with 3-state outputs scbs137d may 1992 revised july 1995 7 post office box 655303 ? dallas, texas 75265 parameter measurement information 1.5 v t h t su from output under test c l = 50 pf (see note a) load circuit for outputs s1 6 v open gnd 500 w 500 w data input timing input 1.5 v 2.7 v 0 v 1.5 v 1.5 v 2.7 v 0 v 2.7 v 0 v 1.5 v 1.5 v t w input voltage waveforms setup and hold times voltage waveforms propagation delay times inverting and noninverting outputs voltage waveforms pulse duration t plh t phl t phl t plh v oh v oh v ol v ol 1.5 v 1.5 v 2.7 v 0 v 1.5 v 1.5 v input 1.5 v output control output waveform 1 s1 at 6 v (see note b) output waveform 2 s1 at gnd (see note b) v ol v oh t pzl t pzh t plz t phz 1.5 v 1.5 v 3 v 0 v 1.5 v v ol + 0.3 v 1.5 v v oh 0.3 v 0 v 2.7 v voltage waveforms enable and disable times low- and high-level enabling output output t plh /t phl t plz /t pzl t phz /t pzh open 6 v gnd test s1 notes: a. c l includes probe and jig capacitance. b. waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control. waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control. c. all input pulses are supplied by generators having the following characteristics: prr 10 mhz, z o = 50 w , t r 2.5 ns, t f 2.5 ns. d. the outputs are measured one at a time with one transition per measurement. figure 1. load circuit and voltage waveforms
packaging information orderable device status (1) package type package drawing pins package qty eco plan (2) lead/ball finish msl peak temp (3) SN74LVT543DBLE obsolete ssop db 24 tbd call ti call ti sn74lvt543dw nrnd soic dw 24 25 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74lvt543dwr nrnd soic dw 24 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim sn74lvt543nsr obsolete so ns 24 tbd call ti call ti sn74lvt543pwle obsolete tssop pw 24 tbd call ti call ti sn74lvt543pwr nrnd tssop pw 24 2000 green (rohs & no sb/br) cu nipdau level-1-260c-unlim (1) the marketing status values are defined as follows: active: product device recommended for new designs. lifebuy: ti has announced that the device will be discontinued, and a lifetime-buy period is in effect. nrnd: not recommended for new designs. device is in production to support existing customers, but ti does not recommend using this part in a new design. preview: device has been announced but is not in production. samples may or may not be available. obsolete: ti has discontinued the production of the device. (2) eco plan - the planned eco-friendly classification: pb-free (rohs), pb-free (rohs exempt), or green (rohs & no sb/br) - please check http://www.ti.com/productcontent for the latest availability information and additional product content details. tbd: the pb-free/green conversion plan has not been defined. pb-free (rohs): ti's terms "lead-free" or "pb-free" mean semiconductor products that are compatible with the current rohs requirements for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. where designed to be soldered at high temperatures, ti pb-free products are suitable for use in specified lead-free processes. pb-free (rohs exempt): this component has a rohs exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between the die and leadframe. the component is otherwise considered pb-free (rohs compatible) as defined above. green (rohs & no sb/br): ti defines "green" to mean pb-free (rohs compatible), and free of bromine (br) and antimony (sb) based flame retardants (br or sb do not exceed 0.1% by weight in homogeneous material) (3) msl, peak temp. -- the moisture sensitivity level rating according to the jedec industry standard classifications, and peak solder temperature. important information and disclaimer: the information provided on this page represents ti's knowledge and belief as of the date that it is provided. ti bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the accuracy of such information. efforts are underway to better integrate information from third parties. ti has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals. ti and ti suppliers consider certain information to be proprietary, and thus cas numbers and other limited information may not be available for release. in no event shall ti's liability arising out of such information exceed the total purchase price of the ti part(s) at issue in this document sold by ti to customer on an annual basis. package option addendum www.ti.com 21-aug-2007 addendum-page 1
tape and reel information package materials information www.ti.com 16-jul-2007 pack materials-page 1
device package pins site reel diameter (mm) reel width (mm) a0 (mm) b0 (mm) k0 (mm) p1 (mm) w (mm) pin1 quadrant sn74lvt543dwr dw 24 tai 330 24 10.75 15.7 2.7 12 24 q1 sn74lvt543pwr pw 24 mla 330 16 6.95 8.3 1.6 8 16 q1 tape and reel box information device package pins site length (mm) width (mm) height (mm) sn74lvt543dwr dw 24 tai 346.0 346.0 41.0 sn74lvt543pwr pw 24 mla 346.0 346.0 33.0 package materials information www.ti.com 16-jul-2007 pack materials-page 2

mechanical data msso002e ? january 1995 ? revised december 2001 post office box 655303 ? dallas, texas 75265 db (r-pdso-g**) plastic small-outline 4040065 /e 12/01 28 pins shown gage plane 8,20 7,40 0,55 0,95 0,25 38 12,90 12,30 28 10,50 24 8,50 seating plane 9,90 7,90 30 10,50 9,90 0,38 5,60 5,00 15 0,22 14 a 28 1 20 16 6,50 6,50 14 0,05 min 5,90 5,90 dim a max a min pins ** 2,00 max 6,90 7,50 0,65 m 0,15 0 ? 8 0,10 0,09 0,25 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0,15. d. falls within jedec mo-150
mechanical data mtss001c january 1995 revised february 1999 post office box 655303 ? dallas, texas 75265 pw (r-pdso-g**) plastic small-outline package 14 pins shown 0,65 m 0,10 0,10 0,25 0,50 0,75 0,15 nom gage plane 28 9,80 9,60 24 7,90 7,70 20 16 6,60 6,40 4040064/f 01/97 0,30 6,60 6,20 8 0,19 4,30 4,50 7 0,15 14 a 1 1,20 max 14 5,10 4,90 8 3,10 2,90 a max a min dim pins ** 0,05 4,90 5,10 seating plane 0 8 notes: a. all linear dimensions are in millimeters. b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0,15. d. falls within jedec mo-153
important notice texas instruments incorporated and its subsidiaries (ti) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. all products are sold subject to ti?s terms and conditions of sale supplied at the time of order acknowledgment. ti warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with ti?s standard warranty. testing and other quality control techniques are used to the extent ti deems necessary to support this warranty. except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. ti assumes no liability for applications assistance or customer product design. customers are responsible for their products and applications using ti components. to minimize the risks associated with customer products and applications, customers should provide adequate design and operating safeguards. ti does not warrant or represent that any license, either express or implied, is granted under any ti patent right, copyright, mask work right, or other ti intellectual property right relating to any combination, machine, or process in which ti products or services are used. information published by ti regarding third-party products or services does not constitute a license from ti to use such products or services or a warranty or endorsement thereof. use of such information may require a license from a third party under the patents or other intellectual property of the third party, or a license from ti under the patents or other intellectual property of ti. reproduction of ti information in ti data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties, conditions, limitations, and notices. reproduction of this information with alteration is an unfair and deceptive business practice. ti is not responsible or liable for such altered documentation. information of third parties may be subject to additional restrictions. resale of ti products or services with statements different from or beyond the parameters stated by ti for that product or service voids all express and any implied warranties for the associated ti product or service and is an unfair and deceptive business practice. ti is not responsible or liable for any such statements. ti products are not authorized for use in safety-critical applications (such as life support) where a failure of the ti product would reasonably be expected to cause severe personal injury or death, unless officers of the parties have executed an agreement specifically governing such use. buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of ti products in such safety-critical applications, notwithstanding any applications-related information or support that may be provided by ti. further, buyers must fully indemnify ti and its representatives against any damages arising out of the use of ti products in such safety-critical applications. ti products are neither designed nor intended for use in military/aerospace applications or environments unless the ti products are specifically designated by ti as military-grade or "enhanced plastic." only products designated by ti as military-grade meet military specifications. buyers acknowledge and agree that any such use of ti products which ti has not designated as military-grade is solely at the buyer's risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ti products are neither designed nor intended for use in automotive applications or environments unless the specific ti products are designated by ti as compliant with iso/ts 16949 requirements. buyers acknowledge and agree that, if they use any non-designated products in automotive applications, ti will not be responsible for any failure to meet such requirements. following are urls where you can obtain information on other texas instruments products and application solutions: products applications amplifiers amplifier.ti.com audio www.ti.com/audio data converters dataconverter.ti.com automotive www.ti.com/automotive dsp dsp.ti.com broadband www.ti.com/broadband interface interface.ti.com digital control www.ti.com/digitalcontrol logic logic.ti.com military www.ti.com/military power mgmt power.ti.com optical networking www.ti.com/opticalnetwork microcontrollers microcontroller.ti.com security www.ti.com/security rfid www.ti-rfid.com telephony www.ti.com/telephony low power www.ti.com/lpw video & imaging www.ti.com/video wireless wireless www.ti.com/wireless mailing address: texas instruments, post office box 655303, dallas, texas 75265 copyright ? 2007, texas instruments incorporated

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