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DM74ALS163B - Synchronous Four-Bit Counter

This page provides the datasheet information for the DM74ALS163B, a member of the DM74ALS161B Synchronous Four-Bit Counter family.

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.

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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.
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