DM74LS90 Decade and Binary Counters

National

Description

DM74LS90 Decade and Binary Counters August 1986 Revised March 2000 DM74LS90 Decade and Binary Counters General .
Each of these monolithic counters contains four masterslave flip-flops and additional gating to provide a divide-bytwo counter and a three-stage binar.

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Datasheet Specifications

Part number: DM74LS90
Manufacturer: National
File Size: 61.43 KB
Datasheet: DM74LS90_National.pdf
Description: Decade and Binary Counters

Applications

* To use their 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 DM74LS90 counters by co

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DM74LS90 Decade and Binary Counters National

National DM74LS90-like datasheet