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74ACT161 Datasheet Synchronous Presettable Binary Counter

Manufacturer: Fairchild (now onsemi)

Overview: 74AC161 • 74ACT161 Synchronous Presettable Binary Counter November 1988 Revised November 1999 74AC161 • 74ACT161 Synchronous Presettable Binary.

General Description

The AC/ACT161 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 multistage counters.

The AC/ACT161 has an asynchronous Master Reset input that overrides all other inputs and forces the outputs LOW.

Key Features

  • s ICC reduced by 50% s Synchronous counting and loading s High-speed synchronous expansion s Typical count rate of 125 MHz s Outputs source/sink 24 mA s ACT161 has TTL-compatible inputs Ordering Code: Order Number 74AC161SC 74AC161SJ 74AC161MTC 74AC161PC 74ACT161SC 74ACT161SJ 74ACT161MTC 74ACT161PC Package Number M16A M16D MTC16 N16E M16A M16D MTC16 N16E Package.

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74ACT161 Distributor