74HC4511N,652 Equivalent & Substitute Parts

Part Overview

The 74HC4511N,652 is a 7-segment LED/LCD driver IC manufactured by NXP USA Inc., designed to convert BCD (Binary Coded Decimal) input signals into outputs suitable for driving 7-segment display configurations. This component operates across a supply voltage range of 2V to 6V and supports through-hole mounting in a 16-DIP package format.

The 74HC4511N,652 is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or repair requirements for systems utilizing this driver architecture.

Substiute Parts

74HC4511N,652

NXP USA Inc.In Stock: 111874HC4511N,652 Datasheet

Current PartRFQ

CD74HC4511E

Texas InstrumentsIn Stock: 1746CD74HC4511E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74HC4511N,652 is determined by the following critical parameters:

Electrical Compatibility:

• Supply voltage range: 2V ~ 6V (must match or encompass the original specification)
• Interface type: BCD input configuration
• Display driver capability: 7-segment LED/LCD output support
• Operating temperature range: Must support the required thermal envelope

Mechanical Compatibility:

• Package type: 16-DIP (0.300", 7.62mm) through-hole mounting
• Pin count and pinout: 16-pin DIP configuration
• Physical dimensions: Must fit existing PCB footprints

Regulatory & Compliance:

• RoHS3 compliance status
• REACH compliance status
• ECCN and HTSUS classifications

The CD74HC4511E from Texas Instruments qualifies as a direct substitute based on matching all critical electrical parameters, identical package specifications, and equivalent regulatory compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The CD74HC4511E from Texas Instruments is a qualified substitute for the obsolete 74HC4511N,652. Both components share identical electrical specifications, package configurations, and regulatory compliance certifications. The CD74HC4511E maintains active product status, ensuring ongoing availability and supply chain support.

The CD74HC4511E supports an extended operating temperature range (-55°C ~ 125°C) compared to the original part (-40°C ~ 125°C), providing additional thermal margin for demanding applications. Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Selection of the CD74HC4511E is appropriate for direct replacement in existing designs without PCB modifications or circuit redesign, provided the application requirements fall within the specified electrical and thermal parameters.

Frequently Asked Questions (FAQ)

Q: Can the CD74HC4511E directly replace the 74HC4511N,652 without PCB modifications?

A: Yes. Both components utilize identical 16-DIP (0.300", 7.62mm) through-hole packaging with matching pinouts. No PCB layout changes are required for substitution.

Q: Are the supply voltage specifications identical between these parts?

A: Yes. Both the 74HC4511N,652 and CD74HC4511E operate across a 2V to 6V supply voltage range, ensuring electrical compatibility in existing circuit designs.

Q: What is the significance of the extended operating temperature range in the CD74HC4511E?

A: The CD74HC4511E supports -55°C to 125°C operation, compared to -40°C to 125°C for the original part. This extended lower temperature limit provides additional thermal margin for applications requiring operation in cold environments.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the 74HC4511N,652 and CD74HC4511E are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Why is the 74HC4511N,652 classified as obsolete?

A: Obsolete status indicates the part is no longer manufactured by NXP USA Inc. The CD74HC4511E from Texas Instruments provides functional and electrical equivalence while maintaining active production status.

Q: Are there any differences in the display type specifications?

A: The original part supports both LED and LCD display types, while the CD74HC4511E is specified for LED display applications. For LCD-specific requirements, compatibility should be confirmed with the application circuit design.