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CD74HC161 High-Speed CMOS Logic Presettable Counters

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Description

The CD54HCT161 is obsolete and no longer is supplied.Data sheet acquired from Harris Semiconductor SCHS154D February 1998 - Revised October 2003 CD5.
Two count enables, PE and TE, in each counter are provided for n-bit cascading.

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Features

* ’HC161, ’HCT161 4-Bit Binary Counter, Asynchronous Reset
* ’HC163, ’HCT163 4-Bit Binary Counter, Synchronous Reset
* Synchronous Counting and Loading
* Two Count Enable Inputs for n-Bit Cascading
* Look-Ahead Carry for High-Speed Counting
* Fanout (O

Applications

* The ’HC161 and ’HCT161 are asynchronous reset decade and binary counters, respectively; the ’HC163 and ’HCT163 devices are decade and binary counters, respectively, that are reset synchronously with the clock. Counting and parallel presetting are both accomplished synchronously with the negative-to

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High-Speed CMOS Logic Presettable Counters Texas Instruments
Texas Instruments CD74HC161-like datasheet