CD4071BNSR Equivalent & Substitute Parts

Part Overview

The CD4071BNSR is a 4-channel OR gate logic integrated circuit manufactured by Texas Instruments, housed in a 14-SO surface mount package. This device operates across a wide supply voltage range of 3V to 18V and is designed for general-purpose digital logic applications requiring OR gate functionality. The part is currently in active production status with 4657 units available in inventory. Substitute parts are identified when equivalent logic functionality, compatible electrical parameters, and matching package specifications are required for design flexibility, supply chain optimization, or inventory management.

Substiute Parts

CD4071BNSR

Texas InstrumentsIn Stock: 4751CD4071BNSR Datasheet

Current PartRFQ

HEF4071BT,653

Nexperia USA Inc.In Stock: 4541HEF4071BT,653 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD4071BNSR is determined by the following critical parameters:

• Logic function equivalence: 4-channel OR gate with 2 inputs per channel
• Supply voltage compatibility: Substitute must operate within overlapping voltage range
• Output drive capability: Current output specifications must match or exceed application requirements
• Propagation delay: Maximum delay specifications must be acceptable for timing-critical applications
• Package compatibility: 14-SO surface mount package with compatible pin configuration
• Operating temperature range: Must cover the required application temperature window
• Compliance certifications: RoHS3 compliance and REACH status must be maintained

The HEF4071BT,653 manufactured by Nexperia USA Inc. qualifies as a substitute based on matching logic function, compatible electrical parameters within the overlapping supply voltage range (3V ~ 15V), equivalent output drive capability, and identical package type.

Parameter Comparison

Engineering Selection Recommendations

Both the CD4071BNSR and HEF4071BT,653 maintain active product status and full compliance with ROHS3 and REACH regulations. Selection between these parts should be based on the following criteria:

The CD4071BNSR supports a higher maximum supply voltage of 18V compared to the HEF4071BT,653 at 15V. Applications requiring operation above 15V must use the CD4071BNSR.

The HEF4071BT,653 offers superior propagation delay performance at 35ns versus 90ns for the CD4071BNSR at 15V and 50pF load, making it suitable for higher-speed logic applications.

The CD4071BNSR operates across a wider temperature range (-55°C to 125°C) compared to the HEF4071BT,653 (-40°C to 125°C), required for extended low-temperature applications.

The HEF4071BT,653 exhibits lower quiescent current consumption at 4 µA maximum versus 1 µA for the CD4071BNSR, though both are suitable for low-power applications.

Both parts feature identical output drive capability and input logic levels, ensuring functional compatibility in standard logic circuits.

Frequently Asked Questions (FAQ)

Q: Can the HEF4071BT,653 replace the CD4071BNSR in all applications?

A: The HEF4071BT,653 is functionally equivalent for applications operating within 3V to 15V supply range. Applications requiring supply voltages above 15V must continue using the CD4071BNSR.

Q: What is the difference in package dimensions between these parts?

A: The CD4071BNSR uses a 14-SOIC package with 5.30mm width, while the HEF4071BT,653 uses a 14-SOIC package with 3.90mm width. Both are 14-pin SOIC packages with identical pin configurations, but the narrower body of the HEF4071BT,653 may provide PCB layout advantages in space-constrained designs.

Q: Are there temperature range limitations when substituting?

A: The HEF4071BT,653 operates down to -40°C, while the CD4071BNSR extends to -55°C. Applications requiring operation below -40°C must use the CD4071BNSR.

Q: How do propagation delays affect circuit performance?

A: The HEF4071BT,653 provides 35ns propagation delay compared to 90ns for the CD4071BNSR at 15V with 50pF load. High-speed logic circuits benefit from the faster HEF4071BT,653, while standard-speed applications are unaffected by this difference.

Q: Are both parts RoHS and REACH compliant?

A: Both the CD4071BNSR and HEF4071BT,653 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.