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  • 7490 DIVIDE-BY-TWELVE AND BINARY COUNTERS

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7490 DIVIDE-BY-TWELVE AND BINARY COUNTERS

  • Stock: 39
  • SKU: 0227 | DAA228
  • Rs. 41.30 (inc GST)
    Rs.35.00 + GST

    Qty :

GST Invoice on all Purchase. So you will be eligible to take input tax credit.

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7490 DIVIDE-BY-TWELVE AND BINARY COUNTERS


The DM7490A monolithic counter 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.

The counter has a gated zero reset and also has gated setto-nine inputs for use in BCD nine’s complement applications.

To use the 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 counters by connecting the QD output to the A input and applying the input count to the B input which gives a divide-by-ten square wave at output QA.

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