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  • 7493 IC The 7490 datasheet specifies that this counter contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-eight for the 7493A. All of these counters have a gated zero reset and the 7490A also has gated set-to-nine inputs for use in BCD nine’s complement applications.

    7493 pins configuration
    7493 features

    • Typical power dissipation: 130mW
    • Count frequency: 42 MHz
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