SN74HC563DW Equivalent & Substitute Parts

Part Overview

The SN74HC563DW is a D-Type Transparent Latch logic IC manufactured by Texas Instruments, featuring an 8:8 circuit configuration with tri-state output capability. This 20-SOIC surface mount device operates across a 2V to 6V supply voltage range and is designed for applications requiring transparent latch functionality with independent circuit isolation.

The SN74HC563DW is currently discontinued at DiGi Electronics, necessitating identification of equivalent and substitute components to maintain design continuity and ensure component availability for production and repair applications.

Substiute Parts

SN74HC563DW

Texas InstrumentsIn Stock: 3357SN74HC563DW Datasheet

Current PartRFQ

SN74HC563DWR

Texas InstrumentsIn Stock: 3281SN74HC563DWR Datasheet

DirectRFQ

MM74HC373WM

Fairchild SemiconductorIn Stock: 1608MM74HC373WM Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74HC563DW is determined by strict equivalence across the following critical parameters:

• Logic Type: D-Type Transparent Latch
• Circuit Configuration: 8:8
• Output Type: Tri-State
• Voltage Supply Range: 2V ~ 6V
• Independent Circuits: 1
• Package / Case: 20-SOIC (0.295", 7.50mm Width)
• Mounting Type: Surface Mount
• Operating Temperature Range: -40°C ~ 85°C

Substitute parts must maintain identical or superior performance within these parameters. Propagation delay time and output current specifications may vary within acceptable engineering tolerances for the 74HC logic family.

Parameter Comparison

Engineering Selection Recommendations

SN74HC563DWR is the primary substitute for the discontinued SN74HC563DW. Both components are manufactured by Texas Instruments and share identical electrical and mechanical specifications. The SN74HC563DWR maintains active product status and is available in Cut Tape and Digi-Reel packaging formats, ensuring supply chain continuity. This part is ROHS3 compliant and carries the same moisture sensitivity level classification.

MM74HC373WM manufactured by Fairchild Semiconductor is a parametric equivalent that meets all critical substitution criteria. This part demonstrates superior propagation delay performance at 19ns compared to the 23ns specification of the primary part. The MM74HC373WM is currently active and available in inventory. Compliance certifications for this part should be verified against specific application requirements.

Selection between SN74HC563DWR and MM74HC373WM depends on supply availability, cost considerations, and compliance documentation requirements for the target application.

Frequently Asked Questions (FAQ)

Q: Can the SN74HC563DWR be used as a direct replacement for the SN74HC563DW?

A: Yes. The SN74HC563DWR is a direct substitute with identical electrical specifications, operating parameters, and package configuration. The primary difference is product status (active versus discontinued) and packaging format availability.

Q: What is the difference between the SN74HC563DW and MM74HC373WM?

A: Both parts are D-Type Transparent Latch ICs with 8:8 circuit configuration and tri-state output. The MM74HC373WM offers faster propagation delay (19ns versus 23ns). The primary difference is manufacturer: Texas Instruments versus Fairchild Semiconductor. Both operate within identical voltage and temperature ranges and use the same 20-SOIC package.

Q: Are there any compatibility concerns when substituting these parts?

A: No compatibility concerns exist when substituting between these parts, provided the application does not impose specific manufacturer requirements or compliance certifications that are manufacturer-dependent. All three parts maintain identical pin configurations, package dimensions, and electrical operating parameters within the specified ranges.

Q: What packaging formats are available for substitute parts?

A: The SN74HC563DWR is available in Cut Tape (CT) and Digi-Reel packaging. The MM74HC373WM packaging format is not specified in available documentation. Packaging selection should be coordinated with procurement and assembly requirements.

Q: Are these parts RoHS compliant?

A: The SN74HC563DWR is ROHS3 compliant. The MM74HC373WM RoHS compliance status is not specified in available documentation and should be verified with the manufacturer or supplier for applications requiring RoHS certification.