scas299h ? january 1993 ? revised august 2003 1 post office box 655303 ? dallas, texas 75265 operates from 1.65 v to 3.6 v inputs accept voltages to 5.5 v max t pd of 7 ns at 3.3 v typical v olp (output ground bounce) <0.8 v at v cc = 3.3 v, t a = 25 c typical v ohv (output v oh undershoot) >2 v at v cc = 3.3 v, t a = 25 c supports mixed-mode signal operation on all ports (5-v input/output voltage with 3.3-v v cc ) i off supports partial-power-down mode operation latch-up performance exceeds 250 ma per jesd 17 description/ordering information this octal registered transceiver is designed for 1.65-v to 3.6-v v cc operation. the sn74lvc543a contains 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 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 places 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 for b to a is similar to that of a to b, but uses ceba , leba , and oeba . this device is fully specified for partial-power-down applications using i off . the i off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. 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. inputs can be driven from either 3.3-v or 5-v devices. this feature allows the use of these devices as translators in a mixed 3.3-v/5-v system environment. ordering information t a package ? orderable part number top-side marking soic ? dw tube of 25 sn74lvc543adw lvc543a soic ? dw reel of 2000 SN74LVC543ADWR lvc543a ?40 c to 85 c ssop ? db reel of 2000 sn74lvc543adbr lc543a ?40 c to 85 c tube of 60 sn74lvc543apw tssop ? pw reel of 2000 sn74lvc543apwr lc543a tssop ? pw reel of 250 sn74lvc543apwt lc543a ? package drawings, standard packing quantities, thermal data, symbolization, and pcb design guidelines are available at www.ti.com/sc/package. copyright ? 2003, texas instruments incorporated please be aware that an important notice concerning avail ability, standard warranty, and use in critical applications of texas instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 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
scas299h ? january 1993 ? revised august 2003 2 post office box 655303 ? dallas, texas 75265 function table ? inputs output ceab leab oeab a output b h x x x z x xhx z l hlx b 0 ? l lll l l l l h h ? a-to-b data flow is shown; b-to-a flow control is the same, except that it uses ceba , leba , and oeba . ? output level before the indicated steady-state input conditions were established logic diagram (positive logic) oeba ceba leba oeab ceab leab a1 b1 to seven other channels 2 23 1 13 11 14 3 22 c1 1d c1 1d
scas299h ? january 1993 ? revised august 2003 3 post office box 655303 ? dallas, texas 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) ? supply voltage range, v cc ?0.5 v to 6.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input voltage range, v i : (see note 1) ?0.5 v to 6.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high-impedance or power-off state, v o (see note 1) ?0.5 v to 6.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . voltage range applied to any output in the high or low state, v o (see notes 1 and 2) ?0.5 v to v cc + 0.5 v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . input clamp current, i ik (v i < 0) ?50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . output clamp current, i ok (v o < 0) ?50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous output current, i o 50 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . continuous current through v cc or gnd 100 ma . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . package thermal impedance, ja (see note 3): db package 63 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . dw package 46 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . pw package 88 c/w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ?65 c to 150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ? stresses beyond those listed under ?absolute maximum ratings? may cause permanent damage to the device. these are stress ratings only, a nd functional operation of the device at these or any other conditions beyond those indicated under ?recommended operating conditi ons? is not implied. exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. notes: 1. the input negative-voltage and output voltage ratings may be exceeded if the input and output current ratings are obser ved. 2. the value of v cc is provided in the recommended operating conditions table. 3. the package thermal impedance is calculated in accordance with jesd 51-7. recommended operating conditions (see note 4) min max unit v cc supply voltage operating 1.65 3.6 v v cc supply voltage data retention only 1.5 v v cc = 1.65 v to 1.95 v 0.65 v cc v ih high-level input voltage v cc = 2.3 v to 2.7 v 1.7 v v ih high-level input voltage v cc = 2.7 v to 3.6 v 2 v v cc = 1.65 v to 1.95 v 0.35 v cc v il low-level input voltage v cc = 2.3 v to 2.7 v 0.7 v v il low-level input voltage v cc = 2.7 v to 3.6 v 0.8 v v i input voltage 0 5.5 v v o output voltage high or low state 0 v cc v v o output voltage 3-state 0 5.5 v v cc = 1.65 v ?4 i oh high-level output current v cc = 2.3 v ?8 ma i oh high-level output current v cc = 2.7 v ?12 ma v cc = 3 v ?24 v cc = 1.65 v 4 i ol low-level output current v cc = 2.3 v 8 ma i ol low-level output current v cc = 2.7 v 12 ma v cc = 3 v 24 ? t/ ? v input transition rise or fall rate 10 ns/v t a operating free-air temperature ?40 85 c note 4: all unused inputs of the device must be held at v cc or gnd to ensure proper device operation. refer to the ti application report, implications of slow or floating cmos inputs , literature number scba004.
scas299h ? january 1993 ? revised august 2003 4 post office box 655303 ? dallas, texas 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) parameter test conditions v cc min typ ? max unit i oh = ?100 a 1.65 v to 3.6 v v cc ?0.2 i oh = ?4 ma 1.65 v 1.2 v oh i oh = ?8 ma 2.3 v 1.7 v v oh i oh = ?12 ma 2.7 v 2.2 v i oh = ?12 ma 3 v 2.4 i oh = ?24 ma 3 v 2.2 i ol = 100 a 1.65 v to 3.6 v 0.2 i ol = 4 ma 1.65 v 0.45 v ol i ol = 8 ma 2.3 v 0.7 v v ol i ol = 12 ma 2.7 v 0.4 v i ol = 24 ma 3 v 0.55 i i control inputs v i = 0 to 5.5 v 3.6 v 5 a i off v i or v o = 5.5 v 0 10 a i oz ? v o = 0 to 5.5 v 3.6 v 10 a i cc v i = v cc or gnd i o = 0 3.6 v 10 a i cc 3.6 v v i 5.5 v i o = 0 3.6 v 10 a ? i cc one input at v cc ? 0.6 v, other inputs at v cc or gnd 2.7 v to 3.6 v 500 a c i control inputs v i = v cc or gnd 3.3 v 4.5 pf c io a or b ports v o = v cc or gnd 3.3 v 7.5 pf ? all typical values are at v cc = 3.3 v, t a = 25 c. ? for i/o ports, the parameter i oz includes the input leakage current. this applies in the disabled state only. timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see figure 1) v cc = 1.8 v 0.15 v v cc = 2.5 v 0.2 v v cc = 2.7 v v cc = 3.3 v 0.3 v unit min max min max min max min max unit t w pulse duration ? ? 3.3 3.3 ns t su setup time, data before le or ce ? ? 1.6 1.6 ns t h hold time, data after le or ce ? ? 2.1 2.1 ns ? this information was not available at the time of publication.
scas299h ? january 1993 ? revised august 2003 5 post office box 655303 ? dallas, texas 75265 switching characteristics over recommended operating free-air temperature range (unless otherwise noted) (see figure 1) parameter from (input) to (output) v cc = 1.8 v 0.15 v v cc = 2.5 v 0.2 v v cc = 2.7 v v cc = 3.3 v 0.3 v unit parameter (input) (output) min max min max min max min max unit t pd a or b b or a ? ? ? ? 8 1 7 ns t pd le b or a ? ? ? ? 9.5 1.2 8.5 ns t en oe a or b ? ? ? ? 9.2 1.3 7.7 ns t en ce a or b ? ? ? ? 9.3 1.3 8 ns t dis oe a or b ? ? ? ? 7.5 1 7 ns t dis ce a or b ? ? ? ? 7.5 1 7 ns ? this information was not available at the time of publication. operating characteristics, t a = 25 c parameter test v cc = 1.8 v v cc = 2.5 v v cc = 3.3 v unit parameter test conditions typ typ typ unit c pd power dissipation capacitance outputs enabled f = 10 mhz ? ? 49 pf c pd power dissipation capacitance per transceiver outputs disabled f = 10 mhz ? ? 6 pf ? this information was not available at the time of publication.
scas299h ? january 1993 ? revised august 2003 6 post office box 655303 ? dallas, texas 75265 parameter measurement information v m t h t su from output under test c l (see note a) load circuit s1 v load open gnd r l r l data input timing input v i 0 v v i 0 v 0 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 v i 0 v input output waveform 1 s1 at v load (see note b) output waveform 2 s1 at gnd (see note b) v ol v oh t pzl t pzh t plz t phz v load / 2 0 v v ol + v ? v oh ? v ? 0 v v i 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 v load 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 ? . d. the outputs are measured one at a time with one transition per measurement. e. t plz and t phz are the same as t dis . f. t pzl and t pzh are the same as t en . g. t plh and t phl are the same as t pd . h. all parameters and waveforms are not applicable to all devices. output control v m v m v m v m v m v m v m v m v m v m v m v m v i v m v m 1.8 v 0.15 v 2.5 v 0.2 v 2.7 v 3.3 v 0.3 v 1 k ? 500 ? 500 ? 500 ? v cc r l 2 v cc 2 v cc 6 v 6 v v load c l 30 pf 30 pf 50 pf 50 pf 0.15 v 0.15 v 0.3 v 0.3 v v ? v cc v cc 2.7 v 2.7 v v i v cc /2 v cc /2 1.5 v 1.5 v v m t r /t f 2 ns 2 ns 2.5 ns 2.5 ns inputs figure 1. load circuit and voltage waveforms
mechanical data msoi003e ? january 1995 ? revised september 2001 post office box 655303 ? dallas, texas 75265 dw (r-pdso-g**) plastic small-outline package 16 pins shown 0.419 (10,65) 0.400 (10,15) 0.291 (7,39) 0.299 (7,59) 16 0.400 (10,16) a min a max (10,41) 0.410 0.462 (11,73) (11,51) 0.453 18 0.610 (15,49) (15,24) 0.600 24 dim pins ** 4040000/e 08/01 0.104 (2,65) max 0.004 (0,10) 0.012 (0,30) seating plane 0 ? 8 0.016 (0,40) 0.050 (1,27) 16 0.050 (1,27) 1 a 8 9 0.014 (0,35) 0.020 (0,51) 0.010 (0,25) nom gage plane 0.010 (0,25) 28 0.710 (18,03) 0.700 (17,78) (12,70) (12,95) 0.500 20 0.510 0.010 (0,25) 0.004 (0,10) notes: a. all linear dimensions are in inches (millimeters). b. this drawing is subject to change without notice. c. body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15). d. falls within jedec ms-013
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
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