74F169

74F169 4-Stage Synchronous Bidirectional Counter

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74F169 4-Stage Synchronous Bidirectional Counter

April 1988 Revised September 2000

74F169 4-Stage Synchronous Bidirectional Counter
General Description
The 74F169 is a fully synchronous 4-stage up/down counter. The 74F169 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
s Asynchronous counting and loading s Built-in lookahead carry capability s Presettable for programmable operation

Ordering Code:
Order Number 74F169SC 74F169SJ 74F169PC Package Number M16A M16D N16E Package Description 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC

2000 Fairchild Semiconductor Corporation

DS009488

www.fairchildsemi.com