54ACT169 - 4-Stage Synchronous Bidirectional Counter

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National Semiconductor

Part number	54ACT169
Manufacturer	National Semiconductor
File Size	202.59 KB
Description	4-Stage Synchronous Bidirectional Counter
Datasheet	54ACT169 Datasheet
Note	This datasheet PDF includes multiple part numbers: 54ACT169, 54AC169. Please refer to the document for exact specifications by model.
Additional preview pages of the 54ACT169 datasheet.

The ’AC/’ACT169 is fully synchronous 4-stage up/down counter.

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. n n n n n n Synchronous counting and loading Built-In lookahead carry capability Presettable for programmable operation Outputs source/sink 24 mA ’ACT has TTL-compatible inputs Standard Microcircuit Drawing (SMD) 5962-91603 Features n ICC reduc.

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Published: Feb 15, 2007 |