DM7493A, DM7490A Decade and Binary Counters

National Semiconductor

Description

DM5490 DM7490A DM7493A Decade and Binary Counters July 1992 DM5490 DM7490A DM7493A Decade and Binary Counters General .
Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binar.

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DM7493A Datasheet Preview — This datasheet PDF includes multiple part numbers: DM7493A, DM7490A. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: DM7493A, DM7490A
Manufacturer: National Semiconductor
File Size: 90.33 KB
Datasheet: DM7490A-NationalSemiconductor.pdf
Description: Decade and Binary Counters
Note: This datasheet PDF includes multiple part numbers: DM7493A, DM7490A.
Please refer to the document for exact specifications by model.

Features

* Y Typical power dissipation 90A 145 m

Applications

* To use their maximum count length (decade or four-bit binary) the B input is connected to the QA output The input count pulses are applied to input A and the outputs are as described in the appropriate truth table A symmetrical divide-by-ten count can be obtained from the 90A counters by connecting

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DM7490A Decade and Binary Counters National Semiconductor

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