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MC74AC163 - Synchronous Presettable Binary Counter

This page provides the datasheet information for the MC74AC163, a member of the MC74ACT161 Synchronous Presettable Binary Counter family.

Datasheet Summary

Description

The MC74AC161/ACT161 and MC74AC163/ACT163 count modulo

16 binary sequence.

From state 15 (HHHH) they increment to state 0 (LLLL).

flops are driven in parallel through a clock buffer.

Features

  • Synchronous Counting and Loading.
  • High.
  • Speed Synchronous Expansion.
  • Typical Count Rate of 125 MHz.
  • Outputs Source/Sink 24 mA.
  • ′ACT161 and ′ACT163 Have TTL Compatible Inputs.
  • These are Pb.
  • Free Devices VCC TC Q0 Q1 Q2 Q3 CET PE 16 15 14 13 12 11 10 9 www. onsemi. com 16 1 xxx y A WL Y WW G.

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Datasheet preview – MC74AC163

Datasheet Details

Part number MC74AC163
Manufacturer ON Semiconductor
File Size 107.50 KB
Description Synchronous Presettable Binary Counter
Datasheet download datasheet MC74AC163 Datasheet
Additional preview pages of the MC74AC163 datasheet.

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Full PDF Text Transcription

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MC74AC161, MC74ACT161, MC74AC163, MC74ACT163 Synchronous Presettable Binary Counter The MC74AC161/74ACT161 and MC74AC163/74ACT163 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 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 loading and allows the outputs to be simultaneously reset on the rising edge of the clock.
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