General Description
The DM7490A monolithic 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-five.
The counter has a gated zero reset and also has gated setto-nine inputs for use in BCD nineâs complement applications.
Features
â Typical power dissipation
â90A 145 mW
â Count frequency 42 MHz
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