74HC157D,652 Equivalent & Substitute Parts

Part Overview

The 74HC157D,652 is a 4 x 2:1 multiplexer logic integrated circuit manufactured by Nexperia USA Inc. in a 16-SOIC surface mount package. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The device operates across a 2V to 6V supply range with output currents of 5.2mA for both high and low states, suitable for general-purpose logic multiplexing applications in digital systems.

Substiute Parts

74HC157D,652

Nexperia USA Inc.In Stock: 110074HC157D,652 Datasheet

Current PartRFQ

MC74HC157ADR2G

onsemiIn Stock: 3004MC74HC157ADR2G Datasheet

DirectRFQ

CD74HC157M

Harris CorporationIn Stock: 43473CD74HC157M Datasheet

UpgradeRFQ

CD74HC157M96

Harris CorporationIn Stock: 3309CD74HC157M96 Datasheet

UpgradeRFQ

CD74HC157MT

Texas InstrumentsIn Stock: 1702CD74HC157MT Datasheet

UpgradeRFQ

MC74HC157ADG

onsemiIn Stock: 2081MC74HC157ADG Datasheet

SimilarRFQ

SN74HC157DR

Texas InstrumentsIn Stock: 9835SN74HC157DR Datasheet

SimilarRFQ

SN74HC157DT

Texas InstrumentsIn Stock: 2329SN74HC157DT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 74HC157D,652 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Compatibility Parameters:

• Base product number: 74HC157
• Circuit configuration: 4 x 2:1 multiplexer topology
• Package type: 16-SOIC surface mount
• Voltage supply range: 2V ~ 6V minimum overlap
• Single supply operation

Substitution Categories:

Direct Substitutes maintain identical electrical specifications and package format, differing only in manufacturer or packaging method (Tube vs. Tape & Reel).

Upgrade Substitutes provide equivalent or enhanced electrical performance with the same package and circuit configuration, though may have different product status or compliance certifications.

Similar Substitutes share the same base product number and package but may have minor variations in output current specifications or operating temperature ranges that remain within acceptable tolerance for the 74HC157 logic family.

Parameter Comparison

Engineering Selection Recommendations

For New Designs with Active Component Availability: MC74HC157ADR2G (onsemi, Tape & Reel) and SN74HC157DR (Texas Instruments, Cut Tape) are recommended as primary selections. Both are active products with ROHS3 compliance, extended operating temperature ranges (-55°C to 125°C or -40°C to 85°C), and enhanced output current specifications (7.8mA). These parts ensure long-term supply chain stability and regulatory compliance.

For Legacy System Maintenance: CD74HC157MT (Texas Instruments, Last Time Buy) provides ROHS3 compliance with specifications matching the original 74HC157D,652 (5.2mA output current, -55°C to 125°C operating range). This part is suitable for direct replacement in existing designs but has limited availability due to Last Time Buy status.

For Cost-Sensitive Applications with Relaxed Compliance Requirements: CD74HC157M and CD74HC157M96 (Harris Corporation) maintain identical electrical specifications to the original part but are RoHS non-compliant and obsolete. These are suitable only for legacy applications where regulatory compliance is not required.

Temperature Range Considerations: SN74HC157DR and SN74HC157DT operate within -40°C to 85°C, which is narrower than the original -40°C to 125°C range. Selection of these parts requires confirmation that the application does not exceed 85°C maximum operating temperature.

Frequently Asked Questions (FAQ)

Q: Can MC74HC157ADR2G directly replace 74HC157D,652 in existing designs? A: Yes. Both parts share the 4 x 2:1 multiplexer circuit configuration, 16-SOIC package, and 2V to 6V supply range. The MC74HC157ADR2G has higher output current (7.8mA vs. 5.2mA) and extended temperature range (-55°C to 125°C), making it functionally compatible. Verify that the application does not depend on the lower output current specification of the original part.

Q: What is the difference between MC74HC157ADR2G and MC74HC157ADG? A: Both parts are manufactured by onsemi with identical electrical specifications and 16-SOIC packaging. The primary difference is packaging format: MC74HC157ADR2G is supplied in Tape & Reel (TR), while MC74HC157ADG is supplied in Tube. Selection depends on production volume and handling requirements.

Q: Why do some substitutes have different output current ratings? A: Output current specifications vary by manufacturer implementation while maintaining functional compatibility within the 74HC157 logic family. The 74HC157 standard allows output currents of 5.2mA to 7.8mA. Higher output current (7.8mA) provides improved drive capability without affecting logic function or voltage specifications.

Q: Is SN74HC157DR suitable for applications requiring -55°C operation? A: No. SN74HC157DR operates from -40°C to 85°C. For applications requiring -55°C minimum operating temperature, select MC74HC157ADR2G, MC74HC157ADG, CD74HC157MT, or CD74HC157M96, which all support -55°C to 125°C operation.

Q: Are all substitute parts ROHS3 compliant? A: No. MC74HC157ADR2G, CD74HC157MT, MC74HC157ADG, SN74HC157DR, and SN74HC157DT are ROHS3 compliant. CD74HC157M and CD74HC157M96 are RoHS non-compliant. For applications subject to RoHS regulations, select only ROHS3 compliant alternatives.

Q: What packaging options are available for 74HC157 multiplexers? A: All listed substitutes are supplied in 16-SOIC surface mount packages. Packaging formats differ: Tube (standard reel packaging), Tape & Reel (TR) for automated assembly, Cut Tape (CT) & Digi-Reel for mixed-volume orders, and Bulk for large quantities. Package selection does not affect electrical performance.