CD4511BCN Equivalent & Substitute Parts

Part Overview

The CD4511BCN is a BCD-to-7-segment LED driver IC manufactured by onsemi in a 16-DIP package. This component decodes binary-coded decimal (BCD) input signals and drives 7-segment LED displays. The CD4511BCN is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. The Texas Instruments CD4511BE provides direct functional equivalence with active product status and improved availability.

Substiute Parts

CD4511BCN

onsemiIn Stock: 1481CD4511BCN Datasheet

Current PartRFQ

CD4511BE

Texas InstrumentsIn Stock: 28017CD4511BE Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The CD4511BE qualifies as a direct substitute for the CD4511BCN based on the following alignment of critical parameters:

• Display Interface: Both parts implement identical BCD-to-7-segment decoding logic
• Package Configuration: Both use 16-DIP (0.300", 7.62mm) through-hole packaging
• Operating Temperature Range: Both support -55°C ~ 125°C operation
• Voltage Supply Compatibility: CD4511BE operates across 3V ~ 18V, which encompasses the CD4511BCN range of 3V ~ 15V
• Base Product Number: Both share the CD4511 base designation, confirming functional equivalence

The CD4511BE demonstrates superior electrical characteristics with reduced quiescent current (40 nA vs. 10 µA) and extended maximum supply voltage rating (18V vs. 15V).

Parameter Comparison

Engineering Selection Recommendations

The CD4511BE is the appropriate substitute for CD4511BCN applications based on the following factors:

• Product Lifecycle: The CD4511BCN is obsolete, while CD4511BE maintains active status with established supply chains
• Regulatory Compliance: CD4511BE carries ROHS3 compliance certification, meeting current environmental standards
• Electrical Performance: CD4511BE provides equivalent or superior performance across all specified parameters, including extended voltage range and reduced quiescent current
• Package Compatibility: Identical 16-DIP through-hole packaging ensures direct board-level substitution without layout modifications
• Compliance Alignment: Both parts share identical REACH and ECCN classifications, maintaining regulatory consistency

Frequently Asked Questions (FAQ)

Q: Can CD4511BE replace CD4511BCN in existing designs?

A: Yes. The CD4511BE provides direct functional and pin-compatible replacement. Both parts implement identical BCD-to-7-segment decoding with matching 16-DIP package geometry and through-hole mounting.

Q: What are the key differences between these parts?

A: The primary differences are manufacturer (onsemi vs. Texas Instruments), product status (obsolete vs. active), and electrical characteristics. CD4511BE offers lower quiescent current (40 nA vs. 10 µA) and extended maximum supply voltage (18V vs. 15V). CD4511BE also carries ROHS3 compliance.

Q: Are the supply voltage ranges compatible?

A: Yes. CD4511BE operates across 3V ~ 18V, which fully encompasses the CD4511BCN range of 3V ~ 15V. Designs operating within the original 3V ~ 15V window will function identically with CD4511BE.

Q: Is the operating temperature range the same?

A: Yes. Both parts support -55°C ~ 125°C operation, ensuring thermal compatibility across all specified conditions.

Q: Can these parts be used interchangeably on PCBs?

A: Yes. Identical 16-DIP (0.300", 7.62mm) through-hole packaging allows direct board-level substitution without PCB modifications or rework.

Q: What compliance certifications apply to CD4511BE?

A: CD4511BE is ROHS3 compliant and REACH unaffected, with EAR99 export classification matching the original CD4511BCN.