7490 Datasheet, Counter, National Semiconductor

7490 Features

• Counter 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 DM5490W or DM74

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Part number:

7490

Manufacturer:

National Semiconductor

File Size:

137.24kb

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📄 Datasheet

Description:

Decade and binary counter. Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a

7490 Application

• 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 appl

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7490

National Semiconductor

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