74HC563D,652 Equivalent & Substitute Parts

Part Overview

The 74HC563D,652 is a D-Type Transparent Latch IC manufactured by NXP USA Inc., designed for digital logic applications requiring transparent latch functionality with tri-state output capability. This component features 1 channel with 1:8 circuit configuration and operates across a 2V to 6V supply voltage range. The part is classified as Obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity.

Substiute Parts

74HC563D,652

NXP USA Inc.In Stock: 117674HC563D,652 Datasheet

Current PartRFQ

SN74HC563DW

Texas InstrumentsIn Stock: 3357SN74HC563DW Datasheet

MFR RecommendedRFQ

SN74HC563DWR

Texas InstrumentsIn Stock: 3281SN74HC563DWR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74HC563D,652 are qualified based on the following critical parameters that determine functional equivalence:

• Logic Type: D-Type Transparent Latch (must match)
• Output Type: Tri-State (must match)
• Voltage - Supply: 2V ~ 6V (must match)
• Package / Case: 20-SOIC form factor (must match for PCB compatibility)
• Independent Circuits: 1 (must match)
• Current - Output High, Low: 7.8mA, 7.8mA (must match)
• RoHS Status: ROHS3 Compliant (must match for regulatory compliance)

The substitute parts listed below meet all these criteria and are therefore electrically and mechanically interchangeable with the original component.

Parameter Comparison

Engineering Selection Recommendations

SN74HC563DWR (Texas Instruments) is the primary substitute for the 74HC563D,652. This part maintains Active product status, ensuring long-term availability and supply chain reliability. Both substitute parts comply with ROHS3 regulations and carry identical electrical specifications for supply voltage, output current, and tri-state functionality.

The SN74HC563DW variant is available but carries Discontinued at DiGi Electronics status, making it less suitable for new designs requiring sustained component availability.

All substitute parts are housed in the identical 20-SOIC package, enabling direct PCB-level replacement without layout modifications. The propagation delay differential (14ns vs. 23ns) must be evaluated against specific timing requirements in the application circuit.

Frequently Asked Questions (FAQ)

Q: Can SN74HC563DW and SN74HC563DWR be used interchangeably with 74HC563D,652?

A: Both Texas Instruments parts are electrically and mechanically compatible. They share identical supply voltage ranges (2V ~ 6V), output current specifications (7.8mA), tri-state output configuration, and 20-SOIC package form factor. The primary difference is product status: SN74HC563DWR is Active, while SN74HC563DW is Discontinued at DiGi Electronics.

Q: What is the significance of the propagation delay difference?

A: The 74HC563D,652 specifies 14ns propagation delay, while both Texas Instruments substitutes specify 23ns. This 9ns difference must be evaluated against the timing constraints of the target application. If the design margin accommodates this variance, substitution is valid.

Q: Are the package dimensions identical?

A: Yes. All three parts use the 20-SOIC package with 0.295" width and 7.50mm body width. Direct PCB replacement is possible without layout redesign.

Q: What is the operating temperature range difference?

A: The 74HC563D,652 operates from -40°C to 125°C, while the Texas Instruments substitutes operate from -40°C to 85°C. Applications requiring operation above 85°C cannot use the substitute parts.

Q: Are all parts RoHS compliant?

A: Yes. The 74HC563D,652 and both substitute parts carry ROHS3 Compliant status, meeting environmental and regulatory requirements for restricted substance use.