What is the primary use of the 74HC573?

It is commonly used as an input or output port for microprocessors and microcomputers, particularly in bus-oriented applications.

How does the latch enable (LE) input work?

When LE is HIGH, the latch is transparent; data flows directly to the output. When LE is LOW, the latch stores the data present at the input just before the HIGH-to-LOW transition.

What are the key specifications of the 74HC573?

It supports a supply voltage of 2.0V to 6.0V, features 3-state outputs, and has a propagation delay of approximately 14ns.

What should sourcing teams check before buying 74HC573PW,118?

Check lifecycle (Active), compliance data, distributor availability, and approved-source coverage. Current sourcing signal: low; readiness: easy.

74HC573PW,118 Datasheet, Alternatives & Specs | Nexperia USA Inc.

AI summary

The 74HC573 is an 8-bit D-type transparent latch with 3-state outputs, ideal for microprocessor bus interfacing.

Best for

Microprocessor bus interfacing
Data buffering

Avoid if

Applications requiring TTL-level inputs (use 74HCT573 instead)

Check before use

Timing constraints for LE and OE signals

Key specifications

Supply Voltage: 2.0V to 6.0V
Propagation Delay: 14ns
Package: 20-TSSOP
Operating Temp: -40°C to +125°C

Compliance & Environment

RoHS: ROHS3 Compliant
REACH: REACH Unaffected
MSL: 1 (Unlimited)
ECCN: EAR99
HTSUS: 8542.39.0001

Application

Microprocessor InterfaceIndustrial Control

Datasheet

b692feea9528dac7a676efd326e88377.pdf

800 KB

Datasheet AI

CAD Models

EDA symbol, PCB footprint, and 3D model for this component. Supported tools include Altium, KiCad, Eagle, and more.

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Alternative components

74HC574PW,118Nexperia USA Inc.

Pin-compatible but functionally different; requires timing analysis for use as a latch replacement.

Needs validation

Design and risk insights

Questions & answers

It is an octal D-type transparent latch with 3-state outputs, designed for high-speed CMOS logic applications.

AI summary

Best for

Avoid if

Check before use

Key specifications

Compliance & Environment

Application

Datasheet

CAD Models

Alternative components

Design and risk insights

Questions & answers

What is the 74HC573?+×

What is the primary use of the 74HC573?+×

How does the latch enable (LE) input work?+×

What are the key specifications of the 74HC573?+×

What should sourcing teams check before buying 74HC573PW,118?+×