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DM5490J Datasheet, National Semiconductor

DM5490J counters equivalent, decade and binary counters.

DM5490J Avg. rating / M : 1.0 rating-13

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DM5490J Datasheet

Features and benefits

Y Typical power dissipation 90A 145 mW 93A 130 mW Y Count frequency 42 MHz Connection Diagrams Dual-In-Line Package TL F 6533
  – 1 Order Number DM5490J .

Application

To use their maximum count length (decade or four-bit binary) the B input is connected to the QA output The input count .

Description

Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binary counter for which the count cycle length is divide-by-five for the 90A and divideby-eight for the .

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DM5490J Page 1 DM5490J Page 2 DM5490J Page 3

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