74VCX132MX Equivalent & Substitute Parts

Part Overview

The 74VCX132MX is a NAND Gate IC featuring 4 channels with 2 inputs per channel and integrated Schmitt Trigger functionality, packaged in a 14-SOIC surface mount configuration. Manufactured by onsemi, this component operates across a 1.4V to 3.6V supply voltage range with a maximum propagation delay of 3.3ns at 3.3V with 30pF load. The product is currently classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity.

Substiute Parts

74VCX132MX

onsemiIn Stock: 82774VCX132MX Datasheet

Current PartRFQ

MC74AC00DR2G

onsemiIn Stock: 18834MC74AC00DR2G Datasheet

SimilarRFQ

74LVC132AD,118

Nexperia USA Inc.In Stock: 442574LVC132AD,118 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74VCX132MX is determined by the following critical parameters: logic type (NAND Gate), circuit count (4 channels), input count (2 inputs per channel), package type (14-SOIC), and mounting method (Surface Mount). The Schmitt Trigger feature is a functional characteristic that influences noise immunity but does not preclude substitution with standard NAND gate variants when operating conditions permit.

The identified substitute parts maintain functional equivalence through matching logic architecture and pin-compatible packaging. Voltage supply ranges, propagation delays, and operating temperature specifications may vary within acceptable design margins depending on application requirements.

Parameter Comparison

Engineering Selection Recommendations

Both substitute parts are classified as active products with current manufacturing support, providing supply chain continuity for the obsolete 74VCX132MX.

The 74LVC132AD,118 from Nexperia USA Inc. offers the closest functional alignment, retaining the Schmitt Trigger feature while maintaining compatible voltage supply range (1.2V ~ 3.6V) and operating temperature span (-40°C ~ 125°C). This part demonstrates RoHS3 compliance and is suitable for applications requiring noise immunity characteristics.

The MC74AC00DR2G from onsemi provides an alternative with extended voltage supply range (2V ~ 6V) and broader operating temperature specification (-55°C ~ 125°C). This variant lacks integrated Schmitt Trigger functionality but delivers lower quiescent current (4 µA) and maintains identical output drive capability. Selection of this part is appropriate for applications where Schmitt Trigger hysteresis is not required and extended temperature operation is beneficial.

Both substitutes maintain pin-compatible 14-SOIC packaging and surface mount configuration, enabling direct board-level replacement without layout modification.

Frequently Asked Questions (FAQ)

Q: Can the MC74AC00DR2G replace the 74VCX132MX in all applications?

A: The MC74AC00DR2G maintains functional NAND gate equivalence and pin compatibility in 14-SOIC packaging. However, it lacks Schmitt Trigger functionality. Substitution is valid only when the application does not depend on Schmitt Trigger hysteresis for input noise rejection or signal conditioning.

Q: What is the primary difference between the 74LVC132AD,118 and MC74AC00DR2G substitutes?

A: The 74LVC132AD,118 retains Schmitt Trigger functionality matching the original 74VCX132MX, while the MC74AC00DR2G is a standard NAND gate without this feature. The 74LVC132AD,118 operates at lower supply voltages (1.2V minimum) compared to MC74AC00DR2G (2V minimum). The MC74AC00DR2G offers lower quiescent current consumption.

Q: Are both substitute parts available in the same packaging?

A: Yes. Both the 74LVC132AD,118 and MC74AC00DR2G are supplied in 14-SOIC (0.154", 3.90mm Width) surface mount packages, identical to the original 74VCX132MX. No PCB layout changes are required for substitution.

Q: What compliance certifications apply to these substitute parts?

A: Both substitute parts carry RoHS3 compliance and REACH Unaffected status, matching the regulatory profile of the original component. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all three parts.

Q: How do propagation delays compare across these parts?

A: The 74VCX132MX specifies 3.3ns maximum propagation delay at 3.3V with 30pF load. The 74LVC132AD,118 delivers 6.4ns at 3.3V with 50pF load. The MC74AC00DR2G specifies 8ns at 5V with 50pF load. Timing differences must be evaluated against specific application timing margins.