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54AC161L 数据手册 ( 数据表 ) - National ->Texas Instruments

零件编号 54AC161L National-Semiconductor
National ->Texas Instruments National-Semiconductor
产品描述(功能)Synchronous Presettable Binary Counter
54AC161L PDF 数据表 : 54AC161L pdf   
54AC161F image

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 over rides all other inputs and forces the outputs LOW.

Features
■ ICC reduced by 50%
■ Synchronous counting and loading
■ High-speed synchronous expansion
■ Typical count rate of 125 MHz
■ Outputs source/sink 24 mA
■ ’ACT161 has TTL-compatible inputs
■ Standard Microcircuit Drawing (SMD)
   — ’AC161: 5962-89561
   — ’ACT161: 5962-91722

 

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