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74f157a, 74f158a data selectors/multiplexers 2000 jun 30 integrated circuits product specification supersedes data of 1996 mar 12 ic15 data handbook
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 74f157a: quad 2-input data selector/multiplexer, non-inverting 74f158a: quad 2-input data selector/multiplexer, inverting 2 2000 jun 30 853-0346 24024 description the 74f157a is a high speed quad 2-input multiplexer which selects 4 bits of data from one of two sources under the control of a common select input (s). the enable input (e ) is active when low. when e is high, all of the outputs (yn) are forced low regardless of all other input conditions. moving data from two registers to a common output bus is a common use of the 74f157a. the state of the select input determines the particular register from which the data comes. the device is the logic implementation of a 4-pole, 2-position switch where the position of the switch is determined by the logic levels supplied to the select input. the 74f158a is similar, but has inverting outputs (y n). ? industrial temperature range (10 c to +85 c) available for 74f157a type typical propagation delay typical supply current (total) 74f157a 4.6ns 15ma 74f158a 3.7ns 10ma ordering information order code description commercial range v cc = 5v 10%, t amb = 0 c to +70 c industrial range v cc = 5v 10%, t amb = 40 c to +85 c pkg. dwg. # 16-pin plastic dip n74f157an, n174f158an i74f157an sot38-4 16-pin plastic so n74f157ad, n74f158ad i74f157ad sot109-1 input and output loading and fan out table pins description 74f (u.l.) high/low load value high/low ina, inb, inc, ind data inputs 1.0/1.0 20 m a/0.6ma s select input 1.0/1.0 20 m a/0.6ma e enable input 1.0/1.0 20 m a/0.6ma yayd data outputs (74f157a) 50/33 1.0ma/20ma y ay d data outputs (74f158a) 50/33 1.0ma/20ma note: one (1.0) fast unit load is defined as: 20 m a in the high state and 0.6ma in the low state. pin configurations, 74f157a 74f158a 16 15 14 13 12 11 10 7 6 5 4 3 2 1 yb v cc yd i0c i1c i1d e i0d s i0a i1b i1a ya i0b 9 8 gnd yc sf00215 16 15 14 13 12 11 10 7 6 5 4 3 2 1 y b v cc y d i0c i1c i1d e i0d s i0a i1b i1a y a i0b 9 8 gnd y c sf00216 logic symbols, 74f157a 74f158a v cc = pin 16 gnd = pin 8 sf00217 1 15 s e 2356111014 i0a i1a i0b i1b i0c i1c i0d ya yb yc yd 47912 13 i1d v cc = pin 16 gnd = pin 8 sf00218 1 15 s e 2356111014 i0a i1a i0b i1b i0c i1c i0d ya yb yc yd 47912 13 i1d
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 3 ieee/iec symbols, 74f157a 74f158a sf00219 2 1 1 g1 15 en 3 4 1 mux 5 6 7 11 10 9 14 13 12 sf00220 2 1 1 g1 15 en 3 4 1 mux 5 6 7 11 10 9 14 13 12 logic diagram, 74f157a i0a i1a i0b i1b i0c i1c i0d i1d e s 2 3 5 6 11 10 14 13 15 1 47912 ya yb yc yd v cc = pin 16 gnd = pin 8 sf00225 function table, 74f157a inputs output e s i0n i1n yn h x x x l l h x l l l h x h h l l l x l l l h x h h = high voltage level l = low voltage level x = don't care 74f158a i0a i1a i0b i1b i0c i1c i0d i1d e s 2 3 5 6 11 10 14 13 15 1 47912 ya yb yc yd v cc = pin 16 gnd = pin 8 sf00226 74f158a inputs output e s i0n i1n y n h x x x h l l l x h l l h x l l h x l h l h x h l h = high voltage level l = low voltage level x = don't care
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 4 absolute maximum ratings (operation beyond the limit set forth in this table may impair the useful life of the device. unless otherwise noted these limits are over the operating free-air temperature range.) symbol parameter rating unit v cc supply voltage 0.5 to +7.0 v v in input voltage 0.5 to +7.0 v i in input current 30 to +5 ma v out voltage applied to output in high output state 0.5 to v cc v i out current applied to output in low output state 40 ma t b o p erating free-air tem p erature range commercial range 0 to +70 c t amb o erating free - air tem erature range industrial range 74f157a only 40 to +85 c t stg storage temperature range 65 to +150 c recommended operating conditions symbol parameter limits unit symbol parameter min nom max unit v cc supply voltage 4.5 5.0 5.5 v v ih high-level input voltage 2.0 v v il low-level input voltage 0.8 v i ik input clamp current 18 ma i oh high-level output current 1 ma i ol low-level output current 20 ma t o p erating free air tem p erature range commercial range 0 70 t amb operating free air temperat u re range industrial range 74f157a only 40 85 c dc electrical characteristics (over recommended operating free-air temperature range unless otherwise noted.) symbol parameter test conditions 1 limits unit symbol parameter test conditions 1 min typ 2 max unit v oh high-level out p ut voltage v cc = min, v il = max 10%v cc 2.5 v v oh high - level out ut voltage v ih = min, i oh = max 5%v cc 2.7 3.4 v v ol low-level out p ut voltage v cc = min, v il = max 10%v cc 0.30 0.50 v v ol low - level out ut voltage v ih = min, i ol = max 5%v cc 0.30 0.50 v v ik input clamp voltage v cc = min, i i = i ik 0.73 1.2 v i i input current at maximum input voltage v cc = max, v i = 7.0v 100 m a i ih high-level input current v cc = max, v i = 2.7v 20 m a i il low-level input current v cc = max, v i = 0.5v 0.6 ma i os short-circuit output current 3 v cc = max 60 150 ma i cc su pp ly current (total) 4 74f157a v cc = max 15.0 23.0 ma i cc su ly current (total) 4 74f158a v cc = max 14.0 19.0 ma notes: 1. for conditions shown as min or max, use the appropriate value specified under recommended operating conditions for the applic able type. 2. all typical values are at v cc = 5v, t amb = 25 c. 3. not more than one output should be shorted at a time. for testing i os , the use of high-speed test apparatus and/or sample-and-hold techniques are preferable in order to minimize internal heating and more accurately reflect operational values. otherwise, prol onged shorting of a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. in any sequence of parameter tests, i os tests should be performed last. 4. i cc is measured with 4.5v applied to all inputs and all outputs open.
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 5 ac electrical characteristics for 74f157a and 74f158a limits symbol parameter test condition v cc = +5.0v t amb = +25 c c l = 50pf r l = 500 w v cc = +5.0v 10% t amb = 0 c to +70 c c l = 50pf r l = 500 w v cc = +5.0v 10% t amb = 40 c to +85 c c l = 50pf r l = 500 w unit min typ max min max min max t plh t phl propagation delay i0n, i1n to yn waveform 1 3.5 2.5 4.5 3.5 6.5 5.0 3.0 1.5 7.0 6.0 3.0 1.5 7.5 6.5 ns t plh t phl propagation delay e to yn 74f157a waveform 3 6.0 4.0 7.5 5.0 9.0 6.5 5.5 4.0 10.5 7.0 5.5 4.0 11.0 7.5 ns t plh t phl propagation delay s to yn waveform 1 5.5 4.5 7.5 6.0 10.0 7.5 5.0 4.0 11.0 8.5 5.0 4.0 11.5 9.0 ns t plh t phl propagation delay i0n, i1n to y n waveform 2 3.0 1.5 4.0 2.5 6.0 4.0 2.5 1.0 7.0 4.5 e e ns t plh t phl propagation delay e to y n 74f158a waveform 4 4.5 5.0 5.5 6.0 7.0 7.5 4.0 5.0 7.5 8.0 e e ns t plh t phl propagation delay s to y n waveform 2 4.5 4.0 6.5 5.5 8.5 7.5 4.0 3.5 9.5 8.0 e e ns ac waveforms for all waveforms, v m = 1.5v v m v m v m v m yn i0n, i1n, s t phl t plh sf00221 waveform 1. propagation delay for data and select to output v m v m v m v m y n i0n, i1n, s t plh t phl sf00222 waveform 2. propagation delay for data and select to output v m v m v m v m yn e t plh t phl sf00223 waveform 3. propagation delay for enable to output v m v m v m v m y n e t phl t plh sf00224 waveform 4. propagation delay for enable to output
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 6 test circuit and waveforms t w 90% v m 10% 90% v m 10% 90% v m 10% 90% v m 10% negative pulse positive pulse t w amp (v) 0v 0v t thl ( t f ) input pulse requirements rep. rate t w t tlh t thl 1mhz 500ns 2.5ns 2.5ns input pulse definition v cc family 74f d.u.t. pulse generator r l c l r t v in v out test circuit for totem-pole outputs definitions: r l = load resistor; see ac electrical characteristics for value. c l = load capacitance includes jig and probe capacitance; see ac electrical characteristics for value. r t = termination resistance should be equal to z out of pulse generators. t thl ( t f ) t tlh ( t r ) t tlh ( t r ) amp (v) amplitude 3.0v 1.5v v m sf00006
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 7 dip16: plastic dual in-line package; 16 leads (300 mil) sot38-4
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 8 so16: plastic small outline package; 16 leads; body width 3.9 mm sot109-1
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers 2000 jun 30 9 notes
philips semiconductors product specification 74f157a, 74f158a data selectors/multiplexers yyyy mmm dd 10 definitions short-form specification e the data in a short-form specification is extracted from a full data sheet with the same type number and title. for detailed information see the relevant data sheet or data handbook. limiting values definition e limiting values given are in accordance with the absolute maximum rating system (iec 134). stress above one or more of the limiting values may cause permanent damage to the device. these are stress ratings only and operation of the dev ice at these or at any other conditions above those given in the characteristics sections of the specification is not implied. exposure to limi ting values for extended periods may affect device reliability. application information e applications that are described herein for any of these products are for illustrative purposes only. philips semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification. disclaimers life support e these products are not designed for use in life support appliances, devices or systems where malfunction of these products can reasonably be expected to result in personal injury. philips semiconductors customers using or selling these products for use i n such applications do so at their own risk and agree to fully indemnify philips semiconductors for any damages resulting from such application. right to make changes e philips semiconductors reserves the right to make changes, without notice, in the products, including circuits, standard cells, and/or software, described or contained herein in order to improve design and/or performance. philips semiconductors ass umes no responsibility or liability for the use of any of these products, conveys no license or title under any patent, copyright, or m ask work right to these products, and makes no representations or warranties that these products are free from patent, copyright, or mask work right in fringement, unless otherwise specified. philips semiconductors 811 east arques avenue p.o. box 3409 sunnyvale, california 940883409 telephone 800-234-7381 ? copyright philips electronics north america corporation 2000 all rights reserved. printed in u.s.a. date of release: 06-00 document order number: 9397-750 07286

data sheet status objective specification preliminary specification product specification product status development qualification production definition [1] this data sheet contains the design target or goal specifications for product development. specification may change in any manner without notice. this data sheet contains preliminary data, and supplementary data will be published at a later date. philips semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. this data sheet contains final specifications. philips semiconductors reserves the right to make changes at any time without notice in order to improve design and supply the best possible product. data sheet status [1] please consult the most recently issued datasheet before initiating or completing a design.

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