rev.1.00, apr.16.2 004, page 1 of 8 RD74LVC541B octal buffers / line drivers with 3-state outputs rej03d0114?0100z rev.1.00 apr.16.2004 description the RD74LVC541B has eight line drivers with thr ee state outputs in a 20 pin package. when g 1 and g 2 is low level, this drivers set up output is enable. low voltage and high-spe ed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. features ? v cc = 1.65 v to 5.5 v ? all inputs v ih (max.) = 5.5 v (@v cc = 0 v to 5.5 v) ? all outputs v out (max.) = 5.5 v (@v cc = 0 v or output off state) ? typical v ol ground bounce < 0.8 v (@v cc = 3.3 v, ta = 25c) ? typical v oh undershoot > 2.0 v (@v cc = 3.3 v, ta = 25c) ? high output current 4 ma (@v cc = 1.65 v) 8 ma (@v cc = 2.3 v) 12 ma (@v cc = 2.7 v) 24 ma (@v cc = 3.0 v to 5.5 v) ? ordering information part name package type package code package abbreviation taping abbreviation (quantity) RD74LVC541Bfpel sop-20 pin (jeita) fp-20dav fp el (2,000 pcs / reel) RD74LVC541Btell tssop-20 pin ttp-20dav t ell (2,000 pcs / reel) function table inputs g 1 g 2a output y llll llhh hxxz xhxz h : high level l : low level x : immaterial z : high impedance
RD74LVC541B rev.1.00, apr.16.2 004, page 2 of 8 pin arrangement (top view) 11 12 13 14 15 16 17 18 19 20 v cc g2 y1 y2 y3 y4 y5 y6 y7 y8 1 2 3 4 5 6 7 8 9 10 g1 a1 a2 a3 a4 a5 a6 a7 a8 gnd absolute maximum ratings item symbol ratings unit conditions supply voltage v cc ?0.5 to 7.0 v input diode current i ik ?50 ma v i = ?0.5 v input voltage v i ?0.5 to 7.0 v ?50 v o = ?0.5 v output diode current i ok 50 ma v o = v cc +0.5 v ?0.5 to v cc +0.5 output "h" or "l" output voltage v o ?0.5 to 7.0 v output "z" or v cc :off output current i o 50 ma v cc , gnd current / pin i cc or i gnd 100 ma storage temperature tstg ?65 to +150 c note: the absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of which may be realized at the same time.
RD74LVC541B rev.1.00, apr.16.2 004, page 3 of 8 recommended operating conditions item symbol ratings unit conditions 1.5 to 5.5 data hold supply voltage v cc 1.65 to 5.5 v at operation v i 0 to 5.5 g 1, g 2, a 0 to v cc output "h" or "l" input / output voltage v o 0 to 5.5 v output "z" or v cc :off operating temperature ta ?40 to 85 c ?4 v cc = 1.65 v ?8 v cc = 2.3 v ?12 v cc = 2.7 v i oh ?24 ma v cc = 3.0 v to 5.5 v 4v cc = 1.65 v 8v cc = 2.3 v 12 v cc = 2.7 v output current i ol 24 ma v cc = 3.0 v to 5.5 v 20 v cc = 1.65 v to 2.7 v input rise / fall time *1 t r , t f 10 ns/v v cc = 3.0 v to 5.5 v notes: 1. this item guarantees maximum limit when one input switches. waveform: refer to test circui t of switching characteristics.
RD74LVC541B rev.1.00, apr.16.2 004, page 4 of 8 electrical characteristics ta = ?40 to 85c item symbol v cc (v) min max unit test conditions 1.65 to 1.95 v cc 0.65 ? 2.3 to 2.7 1.7 ? 2.7 to 3.6 2.0 ? v ih 4.5 to 5.5 v cc 0.7 ? 1.65 to 1.95 ? v cc 0.35 2.3 to 2.7 ? 0.7 2.7 to 3.6 ? 0.8 input voltage v il 4.5 to 5.5 ? v cc 0.3 v 1.65 to 5.5 v cc ?0.2 ? i oh = ?100 a 1.65 1.2 ? i oh = ?4 ma 2.3 1.7 ? i oh = ?8 ma 2.7 2.2 ? 3.0 2.4 ? i oh = ?12 ma 3.0 2.2 ? v oh 4.5 3.8 ? i oh = ?24 ma 1.65 to 5.5 ? 0.2 i ol = 100 a 1.65 ? 0.45 i ol = 4 ma 2.3 ? 0.7 i ol = 8 ma 2.7 ? 0.4 i ol = 12 ma 3.0 ? 0.55 output voltage v ol 4.5 ? 0.55 v i ol = 24 ma input current i in 0 to 5.5 ? 5.0 av in = 5.5 v or gnd output leak current i off 0?5.0 av in / v out = 5.5 v off state output current i oz 2.7 to 5.5 ? 5.0 av in = v cc or gnd v out = 5.5 v or gnd 2.7 to 3.6 ? 5.0 av in = 3.6 to 5.5 v i cc 2.7 to 5.5 ? 5.0 av in = v cc or gnd quiescent supply current ? i cc 2.7 to 3.6 ? 500 av in = one input at(v cc ? 0.6)v, other inputs at v cc or gnd
RD74LVC541B rev.1.00, apr.16.2 004, page 5 of 8 switching characteristics ta = ?40 to 85c item symbol v cc (v) min typ max unit from (input) to (output) 1.80.15 1.0 ? 15.7 2.50.2 1.0 ? 7.8 2.7 1.0 ? 5.6 3.30.3 1.5 ? 5.1 propagation delay time t plh t phl 5.00.5 1.0 ? 4.1 ns a y 1.80.15 1.0 ? 17.5 2.50.2 1.0 ? 10.5 2.7 1.0 ? 7.5 3.30.3 1.5 ? 7.0 output enable time t zh t zl 5.00.5 1.0 ? 6.0 ns g 1 or g 2y 1.80.15 1.0 ? 16.5 2.50.2 1.0 ? 9.0 2.7 1.0 ? 7.7 3.30.3 1.5 ? 7.0 output disable time t hz t lz 5.00.5 1.0 ? 6.0 ns g 1 or g 2y 1.80.15 ? ? ? 2.50.2 ? ? ? 2.7 ? ? ? 3.30.3 ? ? 1.0 between output pins skew *1 t oslh t oshl 5.00.5 ? ? 1.0 ns input capacitance c in 3.3 ? 4.0 ? pf output capacitance c o 3.3 ? 8.0 ? pf note: 1. this parameter is c haracterized but not tested. tos lh = | t plhm - t plhn |, tos hl = | t phlm - t phln | operating characteristics ta = 25c item symbol v cc (v) min typ max unit test conditions 1.8 ? 22 ? 2.5 ? 25 ? 3.3 ? 25 ? power dissipation c pd capacitance c pd 5.0 ? 30 ? pf f = 10 mhz
RD74LVC541B rev.1.00, apr.16.2 004, page 6 of 8 test circuit v cc v cc see function table input pulse generator z = 50 out ? c l r l r l open gnd g1 g2 a1 y1 output s1 v tt symbol s1 t / t plh phl open gnd v tt t / t zh zl t / t hz lz notes: 1. c l includes probe and jig capacitance. 2. a2-y2 to a8-y8 are identical to above load circuit.
RD74LVC541B rev.1.00, apr.16.2 004, page 7 of 8 waveforms ? 1 t plh t phl v oh v ol input a 10 % gnd 90 % t r t f 90 % 10 % output y v ih v ref v ref v ref v ref note: input waveform : prr = 10 mhz, duty cycle 50% waveforms ? 2 v ? ? v oh v + ? v ol t zl t lz t zh t hz t f t r 90 % 10 % 90 % 10 % v oh v ol gnd input g waveform - a waveform - b v ih gnd 1/2 v tt v ref v ref v ref v ref v cc (v) v cc = 1.80.15 v v cc = 2.50.2 v v cc = 3.30.3 v v cc = 5.00.5 v v cc = 2.7 v 1/2 vcc 2 vcc 1.0 k ? 500 ? 500 ? 500 ? 500 ? 2 vcc 2 vcc 1/2 vcc 1/2 vcc vref inputs v i v tt r l 30 pf 30 pf 50 pf 50 pf 50 pf c l ? v t r / t f v cc v cc v cc 2.7 v 2.7 v 1.5 v 0.15 v 0.15 v 0.3 v 0.3 v 0.3 v 6 v 6 v 1.5 v 2 ns 2 ns 2.5 ns 2.5 ns 2.5 ns notes: 1. input waveform : prr = 10 mhz, duty cycle 50% 2. waveform ? a shows input conditions such that the output is "l" level when enable by the output control. 3. waveform ? b shows input conditions such t hat the output is "h" level when enable by the output control.
RD74LVC541B rev.1.00, apr.16.2 004, page 8 of 8 package dimensions package code jedec jeita mass (reference value) fp-20dav ? conforms 0.31 g *ni/pd/au plating *0.40 0.06 0.12 0.15 m 20 10 1 *0.20 0.05 0.80 max 11 12.6 5.5 2.20 max 13 max 0 ? ? 8 ? 0.70 0.20 + 0.20 ? 0.30 7.80 1.27 0.10 0.10 1.15 as of january, 2003 unit: mm package code jedec jeita mass (reference value) ttp-20dav ? ? 0.07 g *ni/pd/au plating 0.50 0.10 0? ? 8? *0.15 0.05 6.40 0.20 0.10 1.10 max 0.13 m 0.65 110 20 11 4.40 6.50 6.80 max *0.20 0.05 0.07 +0.03 ?0.04 1.0 0.65 max as of january, 2003 unit: mm
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