74F139 Datasheet | National Semiconductor

Description The ’F139 is a high-speed dual 1-of-4 decoder demultiplexer The device has two independent decoders each accepting two inputs and providing four mutually exclusive active LOW outputs Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer Each half of the ’F139 can be used as a function generator providing all four minterms of two variables Features Multifunction capability Two pletely independent 1-of-4 decoders Active LOW mutually exclusive outputs Guaranteed 4000V minimum ESD protection mercial 74F139PC 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 54F139DM (Note 2) 74F139SC (Note 1) 74F139SJ (Note 1) 54F139FM (Note 2) 54F139LM (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 DIP SOIC and Flatpak TL F 9479- 3 TL F 9479- 4 IEEE IEC TL F 9479 - 1 Pin Assignment for LCC TL F 9479- 7 TL F 9479 - 2 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9479 RRD-B30M75 Printed in U S A Unit Loading Fan Out 54F 74F Pin Names Description UL HIGH LOW 10 10 10 10 50 33 3 Input IIH IIL Output IOH IOL 20 m A b0 6 m A 20 m A b0 6 m A b 1 m A 20 m A A0 A1 E O 0 - O3 Address Inputs Enable Inputs (Active LOW) Outputs (Active LOW) Functional Description The ’F139 is a high-speed dual 1-of-4 decoder demultiplexer The device has two independent decoders each of which accepts two binary weighted inputs (A0 - A1) and provides four mutually exclusive active LOW Outputs (O0 - O3) Each decoder has an active LOW...