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7490 Datasheet, National Semiconductor

7490 counter equivalent, decade and binary counter.

7490 Avg. rating / M : 1.0 rating-121

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7490 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 .

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7490 Page 1 7490 Page 2 7490 Page 3

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