Texas Instruments CD54/74AC564/574 Octal D-Type Flip-Flop Data Sheet

This document provides the data sheet for the CD54/74AC574 and CD54/74ACT574 products, describing their specific features and characteristics.

Brand: Texas Instruments
Document type: Datasheet
Language: English
Pages: 9
File format: PDF
File size: 248 KB
Published: 05 June, 2012
Updated: 28 September, 2023
Models: CD54, 74AC574, 74ACT574
MD5 checksum: 5834C6046C076879244EAB3CF1AE1227
PDF: Texas Instruments CD54/74AC564/574 Octal D-Type Flip-Flop Data Sheet PDF

About this manual

The document details the CD54/74AC564 (inverting outputs) and CD54/74AC574 (non-inverting outputs), along with their ACT variants. These devices are positive-edge-triggered octal D-type, 3-state flip-flops utilizing RCA Advanced CMOS technology.

What's inside

Functional Diagram
Maximum Ratings
Recommended Operating Conditions
Static Electrical Characteristics: AC Series
Static Electrical Characteristics: ACT Series
Prerequisite for Switching
Switching Characteristics
Parameter Measurement Information

Specifications

Operating Temperature Range	-55 to +125°C
Typical Propagation Delay	6.5 ns @ Vcc = 5 V, Ta = 25°C
Output Drive Current	+/- 24 mA

Frequently asked questions

What is the difference between the AC564 and AC574?

The CD54/74AC/ACT564 has inverted outputs, while the CD54/74AC/ACTS74 (and 574) has non-inverted outputs.

What is the maximum supply voltage for AC types?

The maximum supply voltage for AC types is 5.5 V.

What is the typical propagation delay for these flip-flops?

The typical propagation delay is 6.5 ns at 5 V and 25°C with a 50 pF load.

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