54F169

54F 74F169 4-Stage Synchronous Bidirectional Counter Obsolete November 1994 54F 74F169 4-Stage Synchronous Bidirectional Counter General Description The ’F169 is a fully synchronous 4-stage up down counter The ’F169 is a modulo-16 binary counter Features a preset capability for programmable operation carry lookahead for easy cascading and a U D input to control the direction of counting All state changes whether in counting or parallel loading are initiated by the LOW-to-HIGH transition of the clock Features Y Asynchronous counting and loading Y Built-in lookahead carry capability Y Presettable for programmable operation Commercial 74F169PC 74F169SC (Note 1) 74F169SJ (Note 1) Military 54F169DM (Note 2) Package Number N16E J16A M16A M16D 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 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 Logic Symbols IEEE IEC ’F169 TL F 9488 – 3 TRI-STATE is a registered trademark of National Semiconductor Corporation C1995 National Semiconductor Corporation TL F 9488 TL F 9488 – 9 RRD-B30M75 Printed in U S A Obsolete Connection Diagrams Pin Assignment for DIP SOIC and Flatpak Pin Assignment for LCC TL F 9488–1 Unit Loading Fan Out Pin Names CEP CET CP P0 – P3 PE UD Q0 – Q3 TC Descriptio...