CD54ACT191 - Presettable Synchronous 4-Bit Binary Up/Down Counter

This page provides the datasheet information for the CD54ACT191, a member of the CD54AC191 Presettable Synchronous 4-Bit Binary Up/Down Counter family.

Product Overview

Texas Instruments

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Datasheet Details

Part number	CD54ACT191
Manufacturer	Texas Instruments
File Size	50.47 KB
Description	Presettable Synchronous 4-Bit Binary Up/Down Counter
Datasheet	CD54ACT191 Datasheet
Additional preview pages of the CD54ACT191 datasheet.

CD54ACT191 Product details

Description

The CD54AC191 and CD54ACT191 are asynchronously presettable binary up/down synchronous counters that utilize Advanced CMOS Logic technology.

Presetting the counter to the number on preset data inputs (P0-P3) is accomplished by setting LOW the asynchronous parallel load input (PL).

Features

Buffered Inputs.
Typical Propagation Delay - 12.8ns at VCC = 5V, TA = 25oC, CL = 50pF.
Exceeds 2kV ESD Protection MIL-STD-883, Method 3015.
SCR-Latchup-Resistant CMOS Process and Circuit Design.
Speed of Bipolar FAST™/AS/S with Signiﬁcantly Reduced Power Consumption.
Balanced Propagation Delays.
AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply.
±24mA Output Drive Current - Fanout to 1.

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Published: May 31, 2023 |