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74F161A - Synchronous Presettable Binary Counter

General Description

The 74F161A and 74F163A are high-speed synchronous modulo-16 binary counters.

They are synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multi-stage counters.

Key Features

  • s Synchronous counting and loading s High-speed synchronous expansion s Typical count frequency of 120 MHz Ordering Code: Order Number 74F161ASC 74F161ASJ 74F161APC 74F163ASC 74F163ASJ 74F163APC Package Number M16A M16D N16E M16A M16D N16E Package.

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Full PDF Text Transcription for 74F161A (Reference)

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74F161A • 74F163A Synchronous Presettable Binary Counter April 1988 Revised July 1999 74F161A • 74F163A Synchronous Presettable Binary Counter General Description The 74F...

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63A Synchronous Presettable Binary Counter General Description The 74F161A and 74F163A are high-speed synchronous modulo-16 binary counters. They are synchronously presettable for application in programmable dividers and have two types of Count Enable inputs plus a Terminal Count output for versatility in forming synchronous multi-stage counters. The 74F161A has an asynchronous MasterReset input that overrides all other inputs and forces the outputs LOW. The 74F163A has a Synchronous Reset input that overrides counting and parallel loading and allows the outputs to be simultaneously reset on the rising edge of the clock.