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DM74ALS161B

Part Number	DM74ALS161B
Manufacturer	Fairchild Semiconductor
Description	Synchronous Four-Bit Counter
Published	Apr 1, 2005
Detailed Description	DM74ALS161B • DM74ALS162B • DM74ALS163B Synchronous Four-Bit Counter April 1984 Revised February 2000 DM74ALS161B • DM...
Datasheet	DM74ALS161B PDF File

Overview

DM74ALS161B • DM74ALS162B • DM74ALS163B Synchronous Four-Bit Counter April 1984 Revised February 2000 DM74ALS161B • DM74ALS162B • DM74ALS163B Synchronous Four-Bit Counter General Description These synchronous presettable counters feature an internal carry look ahead for application in high speed counting designs.
The DM74ALS162B is a four-bit decade counter, while the DM74ALS161B and DM74ALS163B are four-bit binary counters.
The DM74ALS161B clears asynchronously, while the DM74ALS162B and DM74ALS163B clear synchronously.
The carry output is decoded to prevent spikes during normal counting mode of operation.
Synchronous operation is provided by having all flip-flops clocked simultaneously s...

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