SN74S157DG4

SN54157, SN54LS157SN54LS158, SN54S157, SN54S158, SN74157, SN74LS157, SN74lS158, SN74S157, SN74S158 SDLS058 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORSIMUlTIPLEXERS MARCH 1974- R VISE::J MARCH 1988 • Buffered Inputs and Outputs • Three Speed/Power Ranges Available SN54157, SNS4LS157, SN54S157, SN54lS158.SN5-4S15S ..• J OR W PACKAGE SN74157 ••• N PACKAGE SN74LS157,SN74S157. SN74l.S158.SN74S15S .•.D OR N PACKAGE TYPICAL TYPES TYPICAL POVIIEA PROPAGATION DISSIPATION TIME 9 ns 1!:iQmW AVERACE ITOPVIEWI cc A/ 8 G 9 n• 49mW 1A 18 '5157 5m 250mW 1Y 48 'LS158 7 n> 24mW 2A 4Y 19SmW 2B 2Y GND 3A '157 'LS157 ' 5158 applica1ions • Expand Any Data Input Point • Multiplex Dual Data Buses • Generate Four Functions of Two Variables (One Variable Is Common) 4A 3B 3Y SN54lS157. SN54S157, SN54lS158, SN54S158 . .. FK PACKAGE jTOP VIEW) • Source Programmable Counters description These monolithic data :;elecrors imultipleKers contain inverters and drivers to supply full on·chip datil se Ection to the four output gates. A separate strobe input is provided. A 4-bit word is selec ted f rom one of two sources and is routed to the four outputs. The '1 57. 'LS 157.and 'S15 7 pr esent true data whereas th· 'LS 158 and ·s158 pr esent inverted data to minimize propagation delay time. -- ·- - ·[TAO€ E SELECT ! G u absolute A lB A X X L L L H - ·-- 48 NC NC 2A NC - No FUNCT I ON TABLE INI'UTS 4A 16 1Y inttm41 connet10n OUTPUT Y J 'LS1S8 '157 ' 157.'S157 • 'S158 II L l:l X X H L X H L H X L L H H X H H L maximum ratings over operating free-air temperature range (unless otherwise noted Supply vol t age . Vee (See Note 1) . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... . .. . . • . ........ . 7V Input voltage: '157,'5158 ....... .. . ..... .. . . . ... _ . .. . . ....... . . 5. 5 V 'LS157. 'LS1 58 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . 7 V - 55 °C to 125°C Operating free-ar temperature range: SN54' . . . . . . . . . . .. . . . . .. . .... 0°C to 70 °C SN 74' Storage temperature range . .. . .. . . . ..... . . .. .. . -65°Cto150°C . .... .. .. .. . NOTF 1: Voltaf.'e values ate A ith res p-ect t o net w ork ground terminal, - ------------------------------- -----·• PR()l)tl: rtO• UA TA .. .,.,oots CMteifl int...etia n currut •• of Moblic:ati•date.Pr"""cts COifw• u Of"'C:f ;l· c·.m nt MAX. IOL VI = v ------ v '04 v 0.8 v 1.5 .. 1.5 v 3.4 0.2 16 mA v 2 0.8 2.4 0.2 0.4 v 3.4 04 mA I- 40 40 1.6 30 See Note 2 1.6 -55 -20 MAX v -18 55 48 30 48 ,,A mA mA 11=or condition-f. &hown a& MtN or MAX. use the apprpl"iata volue s;pe;;:ified under rscoi'Tlrne:ndad opel"at.ng condition . iAII typical valuu are at Vee .. 5 v. TA"" 25°C, Not more than one ou1put should IJoe shor ed at ;etimand duration of sho r t-