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DM7490A

Fairchild Semiconductor
Part Number DM7490A
Manufacturer Fairchild Semiconductor
Description Decade and Binary Counters
Published Apr 1, 2005
Detailed Description DM7490A Decade and Binary Counters August 1986 Revised March 2000 DM7490A Decade and Binary Counters General Descripti...
Datasheet PDF File DM7490A PDF File

DM7490A
DM7490A


Overview
DM7490A Decade and Binary Counters August 1986 Revised March 2000 DM7490A Decade and Binary Counters General Description 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 Function Table.
A symmetrical divide-by-ten cou...



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