74ALVC32MTC Equivalent & Substitute Parts

Part Overview

The 74ALVC32MTC is a 4-channel 2-input OR gate logic IC manufactured by onsemi in 14-TSSOP surface mount packaging. This component operates across a 1.65V to 3.6V supply voltage range and is designed for low-power digital logic applications. The part is currently listed as obsolete, making equivalent substitutes necessary for ongoing design support and procurement.

Substiute Parts

74ALVC32MTC

onsemiIn Stock: 121374ALVC32MTC Datasheet

Current PartRFQ

74ALVC32PW,118

NXP USA Inc.In Stock: 1484474ALVC32PW,118 Datasheet

DirectRFQ

SN74ALVC32PW

Texas InstrumentsIn Stock: 3330SN74ALVC32PW Datasheet

DirectRFQ

SN74ALVC32PWR

Texas InstrumentsIn Stock: 2327SN74ALVC32PWR Datasheet

DirectRFQ

SN74ALVC32DGVR

Texas InstrumentsIn Stock: 1216SN74ALVC32DGVR Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 74ALVC32MTC is determined by the following critical parameters: logic type (OR gate), circuit count (4 channels), input count (2 inputs per channel), supply voltage range (1.65V ~ 3.6V), quiescent current specification (10 µA maximum), output drive capability (24mA), input logic thresholds, operating temperature range (-40°C ~ 85°C), and surface mount packaging.

Substitute parts are classified into two categories:

Direct Substitutes maintain identical electrical specifications and package type (14-TSSOP). These parts are pin-compatible and functionally equivalent with no design modifications required.

Similar Substitutes maintain all electrical specifications but use an alternative package variant (14-TVSOP instead of 14-TSSOP). These parts require PCB layout verification due to package footprint differences, though electrical performance remains equivalent.

Parameter Comparison

Engineering Selection Recommendations

For direct replacement of the obsolete 74ALVC32MTC, the 74ALVC32PW,118 (NXP USA Inc.) and SN74ALVC32PW or SN74ALVC32PWR (Texas Instruments) are functionally equivalent options. All three direct substitutes are active products with identical electrical specifications and 14-TSSOP packaging, requiring no PCB modifications.

The SN74ALVC32DGVR offers electrical equivalence but uses 14-TVSOP packaging instead of 14-TSSOP. This alternative is suitable only when PCB layout accommodates the different package footprint.

Selection between active substitutes should prioritize availability, lead time, and supply chain continuity. The NXP and Texas Instruments variants are all ROHS3 compliant and REACH unaffected, meeting modern regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the 74ALVC32MTC be directly replaced with any of the listed substitutes?

A: The 74ALVC32PW,118, SN74ALVC32PW, and SN74ALVC32PWR are direct pin-compatible replacements with identical 14-TSSOP packaging. The SN74ALVC32DGVR requires PCB layout verification due to its 14-TVSOP package variant.

Q: What are the key electrical parameters that determine substitution compatibility?

A: Supply voltage range (1.65V ~ 3.6V), quiescent current (10 µA maximum), output drive capability (24mA), input logic thresholds, and operating temperature range (-40°C ~ 85°C) must remain constant across all substitutes.

Q: Are there differences in propagation delay between substitutes?

A: The 74ALVC32PW,118 specifies 2ns maximum propagation delay at 3.3V with 50pF load, while the onsemi original and Texas Instruments variants specify 2.8ns. Both values are within acceptable logic gate performance parameters.

Q: What packaging options are available?

A: Direct substitutes use 14-TSSOP surface mount packaging (0.173" width, 4.40mm). The SN74ALVC32DGVR uses 14-TVSOP packaging with the same width specification but different pin configuration footprint.

Q: Are all substitute parts compliant with current regulatory standards?

A: The active substitute parts (NXP and Texas Instruments variants) are ROHS3 compliant and REACH unaffected. The original onsemi part is REACH unaffected with MSL 1 (Unlimited) moisture sensitivity rating.