74VHC32MX OR Gate IC Equivalent & Substitute Parts

Part Overview

The 74VHC32MX is a 4-channel 2-input OR gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The 74VHC32MX operates across a 2V to 5.5V supply voltage range with low quiescent current and standard propagation delay characteristics suitable for general-purpose logic applications.

Substiute Parts

74VHC32MX

onsemiIn Stock: 1950174VHC32MX Datasheet

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MC74VHC32DR2G

onsemiIn Stock: 2877MC74VHC32DR2G Datasheet

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74AHC32D-Q100J

Nexperia USA Inc.In Stock: 117174AHC32D-Q100J Datasheet

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SN74AHC32D

Texas InstrumentsIn Stock: 4207SN74AHC32D Datasheet

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SN74AHC32DR

Texas InstrumentsIn Stock: 2916SN74AHC32DR Datasheet

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74AHC32D,112

Nexperia USA Inc.In Stock: 101374AHC32D,112 Datasheet

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74AHC32D,118

NXP SemiconductorsIn Stock: 3776374AHC32D,118 Datasheet

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74VHC32D,118

Nexperia USA Inc.In Stock: 262074VHC32D,118 Datasheet

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74VHC32D-Q100J

Nexperia USA Inc.In Stock: 120174VHC32D-Q100J Datasheet

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SN74AHC32MDREP

Texas InstrumentsIn Stock: 844SN74AHC32MDREP Datasheet

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SN74AHC32QDRG4Q1

Texas InstrumentsIn Stock: 3460SN74AHC32QDRG4Q1 Datasheet

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SN74AHC32QDRQ1

Texas InstrumentsIn Stock: 3321SN74AHC32QDRQ1 Datasheet

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SN74AHC32NSR

Texas InstrumentsIn Stock: 4825SN74AHC32NSR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 74VHC32MX are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain identical logic function (4-channel 2-input OR gate), supply voltage range (2V ~ 5.5V), quiescent current (2 µA maximum), output current capability (8mA), and propagation delay (7.5ns @ 5V, 50pF).

Mechanical Compatibility: All substitute parts use 14-SOIC surface mount packaging with identical pin configuration and physical dimensions (0.154", 3.90mm width).

Series Compatibility: Substitutes span the 74VHC and 74AHC logic families, which share identical electrical specifications and pinouts for this gate function.

Product Status Consideration: Active production parts are preferred over obsolete or discontinued alternatives. Automotive-grade variants (AEC-Q100 qualified) provide extended temperature range (-40°C ~ 125°C) compared to the base 74VHC32MX (-40°C ~ 85°C).

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation - Active Production Parts: MC74VHC32DR2G, 74VHC32D,118, 74VHC32D-Q100J, SN74AHC32DR, and SN74AHC32QDRG4Q1 are all active production parts with full availability. These parts maintain electrical and mechanical compatibility with the 74VHC32MX while offering extended operating temperature ranges (-40°C ~ 125°C) compared to the original part's -40°C ~ 85°C specification.

Automotive Applications: 74AHC32D-Q100J, 74VHC32D-Q100J, and SN74AHC32QDRG4Q1 carry AEC-Q100 automotive qualification, suitable for automotive and high-reliability applications requiring formal qualification documentation.

Extended Temperature Range: SN74AHC32MDREP provides the widest operating temperature range (-55°C ~ 125°C), appropriate for industrial and military-grade applications requiring operation below -40°C.

Packaging Considerations: Tape & Reel packaging (TR) is standard for high-volume production. Tube packaging is available for lower-volume requirements. Bulk packaging (74AHC32D,118) is suitable for component kitting operations.

Series Selection: Both 74VHC and 74AHC series are electrically equivalent for this gate function. Selection between series may depend on existing design standardization, manufacturer preference, or supply chain availability.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74VHC32MX with any of these substitute parts? A: Yes, all listed substitute parts are pin-compatible and electrically equivalent. They maintain identical logic function, supply voltage range, output current capability, and propagation delay specifications. Physical package dimensions are identical (14-SOIC, 0.154" width).

Q: What is the difference between 74VHC and 74AHC series? A: Both series provide identical electrical performance for this 4-channel 2-input OR gate function. The primary difference is manufacturer (onsemi/Nexperia for 74VHC; Texas Instruments/Nexperia for 74AHC). Selection is typically based on design standardization or supply chain preference.

Q: Why do some parts have extended temperature ranges (-55°C ~ 125°C or -40°C ~ 125°C) compared to the original 74VHC32MX (-40°C ~ 85°C)? A: Extended temperature range is a design improvement in newer production variants. Parts with -40°C ~ 125°C or -55°C ~ 125°C ranges provide greater operational flexibility for industrial and automotive applications without any electrical performance penalty.

Q: What is the significance of AEC-Q100 qualification? A: AEC-Q100 qualification indicates the part meets automotive industry reliability and quality standards. Parts carrying this qualification (74AHC32D-Q100J, 74VHC32D-Q100J, SN74AHC32QDRG4Q1) are suitable for automotive applications and high-reliability systems requiring formal qualification documentation.

Q: Does packaging type (Tube, Tape & Reel, Bulk) affect electrical performance? A: No. Packaging type affects only handling, storage, and assembly processes. Electrical specifications and performance are identical regardless of packaging format. Selection depends on production volume and assembly equipment compatibility.

Q: Are all substitute parts ROHS3 compliant? A: All substitute parts listed with complete specifications are ROHS3 compliant. This ensures compatibility with environmental and regulatory requirements for electronics manufacturing and disposal.

Q: What is Moisture Sensitivity Level (MSL) 1? A: MSL 1 indicates unlimited shelf life without moisture control requirements. The part can be stored and handled under standard conditions without special desiccant packaging or baking procedures prior to soldering.