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MC74AC161 Datasheet

Synchronous Presettable Binary Counter

Manufacturer: onsemi

This datasheet includes multiple variants, all published together in a single manufacturer document.

MC74AC161 Overview

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 MC74AC161/74ACT161 has an asynchronous Master Reset input that overrides all other inputs and forces the outputs LOW. The MC74AC163/74ACT163 has a Synchronous Reset input that overrides counting and parallel...

MC74AC161 Key Features

  • Synchronous Counting and Loading
  • High-Speed Synchronous Expansion
  • Typical Count Rate of 125 MHz
  • Outputs Source/Sink 24 mA
  • These are Pb-Free Devices

MC74AC161 Distributor