Draw internal block diagram of IC 7490.

Mumbai University > ELECTRO > Sem 3 > Digital Circuits and Designs

Marks: 5M

Year: May 2015

1 Answer
  • IC 7490 is a TTL MSI decade counter. It contains four master slave flip flops and additional gating to provide divide by two counter and a three stage binary counter providing a divide by 5 counter as shown below:

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  • A simplified internal diagram of IC 7490 is as follows:

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