74HC137D,652 Equivalent & Substitute Parts

Part Overview

The 74HC137D,652 is a decoder/demultiplexer logic IC manufactured by Nexperia USA Inc., featuring a 1 x 3:8 circuit configuration in a 16-SOIC surface mount package. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

The decoder/demultiplexer function enables selection of one of eight output lines based on a 3-bit input address, commonly used in address decoding, data routing, and multiplexing applications. Due to its obsolete status, sourcing equivalent active production parts is necessary for design continuity and supply chain reliability.

Substiute Parts

74HC137D,652

Nexperia USA Inc.In Stock: 111674HC137D,652 Datasheet

Current PartRFQ

74HC237D,652

NXP SemiconductorsIn Stock: 5006174HC237D,652 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 74HC137D,652 is determined by strict equivalence across the following critical parameters:

Functional Parameters:

• Circuit type: Decoder/Demultiplexer
• Circuit configuration: 1 x 3:8 (one independent circuit with 3-bit input and 8 output lines)
• Independent circuits: 1

Electrical Parameters:

• Output current capability: 5.2mA high, 5.2mA low
• Supply voltage range: 2V ~ 6V
• Operating temperature range: -40°C ~ 125°C

Physical Parameters:

• Package type: 16-SOIC (0.154", 3.90mm Width)
• Mounting type: Surface Mount

The 74HC237D,652 meets all specified parameters and is classified as an active production part, making it a direct parametric equivalent suitable for replacement applications.

Parameter Comparison

Engineering Selection Recommendations

The 74HC237D,652 is the direct parametric equivalent for the obsolete 74HC137D,652. Selection of this substitute is based on:

Compliance & Regulatory:

• Both parts maintain REACH Unaffected status
• Main part is ROHS3 Compliant; substitute compliance status not specified in provided data
• Both parts have MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity

Product Status:

• The 74HC237D,652 is in active production status, ensuring long-term availability and supply chain continuity
• The 74HC137D,652 is obsolete, necessitating transition to an active equivalent

Electrical & Functional Equivalence:

• All critical electrical parameters are identical: output current, supply voltage range, and operating temperature range
• Functional circuit configuration is identical: 1 x 3:8 decoder/demultiplexer
• Physical package and mounting type are identical, enabling direct PCB-level replacement

Frequently Asked Questions (FAQ)

Q: Can the 74HC237D,652 be used as a direct replacement for the 74HC137D,652 on existing PCBs?

A: Yes. The 74HC237D,652 is electrically and mechanically equivalent. Both parts use the 16-SOIC package with identical pinout and electrical characteristics, enabling direct substitution without PCB modifications.

Q: What is the primary reason for substituting the 74HC137D,652?

A: The 74HC137D,652 is classified as obsolete. The 74HC237D,652 is an active production part from the same 74HC logic family, ensuring continued availability and supply reliability.

Q: Are there any differences in output current capability between these parts?

A: No. Both parts specify identical output current ratings of 5.2mA for both high and low states, ensuring equivalent drive capability in all applications.

Q: Do both parts operate across the same voltage and temperature ranges?

A: Yes. Both parts operate from 2V to 6V supply voltage and function across the -40°C to 125°C temperature range, making them suitable for identical application environments.

Q: Is the 74HC237D,652 available in the same package as the 74HC137D,652?

A: Yes. Both parts are supplied in the 16-SOIC (0.154", 3.90mm Width) surface mount package, enabling direct PCB-level replacement without package conversion.

Q: What is the moisture sensitivity level for both parts?

A: Both parts have an MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity and standard handling requirements during storage and assembly.