74F253 Datasheet | National

54F 74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs November 1994 54F 74F253 Dual 4-Input Multiplexer with TRI-STATE Outputs General Description The ’F253 is a dual 4-input multiplexer with TRI-STATE outputs It can select two bits of data from four sources using mon select inputs The output may be individually switched to a high impedance state with a HIGH on the respective Output Enable (OE) inputs allowing the outputs to interface directly with bus oriented systems Features Multifunction capability Non-inverting TRI-STATE outputs Guaranteed 4000V minimum ESD protection mercial 74F253PC Military Package Number N16E Package Description 16-Lead (0 300 Wide) Molded Dual-In-Line 16-Lead Ceramic Dual-In-Line 16-Lead (0 150 Wide) Molded Small Outline JEDEC 16-Lead (0 300 Wide) Molded Small Outline EIAJ 16-Lead Cerpack 20-Lead Ceramic Leadless Chip Carrier Type C 54F253DM (Note 2) 74F253SC (Note 1) 74F253SJ (Note 1) 54F253FM (Note 2) 54F253LL (Note 2) J16A M16A M16D W16A E20A Note 1 Devices also available in 13 reel Use suffix e SCX and SJX Note 2 Military grade device with environmental and burn-in processing Use suffix e DMQB FMQB and LMQB Logic Symbols Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9505- 3 IEEE IEC TL F 9505 - 1 TL F 9505 - 2 TL F 9505- 5 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9505 RRD-B30M75 Printed in U S A Unit Loading Fan Out 54F 74F Pin Names I0a - I3a I0b - I3b S 0 - S1 OEa OEb Za Zb Description Side A Data Inputs Side B Data Inputs mon Select Inputs Side A Output Enable Input (Active LOW) Side B Output Enable Input (Active LOW) TRI-STATE Outputs UL HIGH LOW 10 10 10 10 10 10 10 10 10 10 150 40(33 3) Input IIH IIL Output IOH IOL 20 m A b0 6 m A 20 m A b0 6 m A 20 m A b0 6 m A 20 m A b0 6 m A 20 m A b0 6 m A b 3 m A 24 m A (20 m...