74HC191 - 4-BIT SYNCHRONOUS UP/DOWN COUNTERS

Product Overview

STMicroelectronics

Part number	74HC191
Manufacturer	STMicroelectronics
File Size	296.44 KB
Description	4-BIT SYNCHRONOUS UP/DOWN COUNTERS
Datasheet	74HC191 Datasheet
Note	This datasheet PDF includes multiple part numbers: 74HC191, 74HC190. Please refer to the document for exact specifications by model.
Additional preview pages of the 74HC191 datasheet.

The M54/74HC190/191 are high speed CMOS 4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology.

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Published: Sep 15, 2025 |