DM74S163, DM74S161 Synchronous 4-Bit Binary Counters

National Semiconductor

Description

DM74S161 DM74S163 Synchronous 4-Bit Binary Counters February 1992 DM74S161 DM74S163 Synchronous 4-Bit Binary Counters General .
These synchronous presettable counters feature an internal carry look-ahead for application in high-speed counting designs They are 4-bit binary count.

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DM74S163 Datasheet Preview — This datasheet PDF includes multiple part numbers: DM74S163, DM74S161. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: DM74S163, DM74S161
Manufacturer: National Semiconductor
File Size: 132.00 KB
Datasheet: DM74S161-NationalSemiconductor.pdf
Description: Synchronous 4-Bit Binary Counters
Note: This datasheet PDF includes multiple part numbers: DM74S163, DM74S161.
Please refer to the document for exact specifications by model.

Features

* Y Synchronously programmable Y Internal look-ahead for fast counting Y Carry output for n-bit cascading Y Synchronous counting Y Load control line Y Diode-clamped inputs Connection Diagram Dual-In-Line Package Order Number DM74S161N or DM74S163N See NS Package Number N16E TL F 6471
* 1

Applications

* without additional gating Instrumental in accomplishing this function are two count-enable inputs and a ripple carry output Both countenable inputs (P and T) must be high to count and input T is fed forward to enable the ripple carry output The ripple carry output thus enabled will produce a high-le

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DM74S161 Synchronous 4-Bit Binary Counters National Semiconductor

National Semiconductor DM74S163-like datasheet