DM74LS90M, DM74LS90 Decade and Binary Counters

National Semiconductor

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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DM74LS90M Datasheet Preview — This datasheet PDF includes multiple part numbers: DM74LS90M, DM74LS90. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: DM74LS90M, DM74LS90
Manufacturer: National Semiconductor
File Size: 61.43 KB
Datasheet: DM74LS90_National.pdf
Description: Decade and Binary Counters
Note: This datasheet PDF includes multiple part numbers: DM74LS90M, DM74LS90.
Please refer to the document for exact specifications by model.

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 Semiconductor

National Semiconductor DM74LS90M-like datasheet