74F161APC

74F161APC概述

同步可预置二进制计数器 Synchronous Presettable Binary Counter

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 Master-Reset 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. The 74F161A and 74F163A are high-speed versions of the 74F161 and 74F163.

Product Highlights

Synchronous counting and loading

High-speed synchronous expansion

Typical count frequency of 120 MHz

74F161APC数据文档
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