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7490 Datasheet

Part Name7490 Fairchild
Fairchild Semiconductor Fairchild
DescriptionDecade and Binary Counters
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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 nine’s complement applications.

Features
■ Typical power dissipation
   —90A 145 mW
■ Count frequency 42 MHz

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