74ALVC32MTCX Equivalent & Substitute Parts

Part Overview

The 74ALVC32MTCX is a 4-channel 2-input OR gate logic IC manufactured by onsemi in 14-TSSOP surface mount packaging. This part operates across a 1.65V to 3.6V supply voltage range with low quiescent current and fast propagation delay characteristics suitable for general-purpose logic applications. The product is currently obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	1.65V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	2.8ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the 74ALVC32MTCX is determined by the following critical parameters:

Logic function: 4-channel 2-input OR gate
Supply voltage range: 1.65V ~ 3.6V
Output drive capability: 24mA high and low
Input logic thresholds: 0.7V ~ 0.8V (low), 1.7V ~ 2V (high)
Propagation delay: 2.8ns maximum @ 3.3V, 50pF load
Operating temperature: -40°C ~ 85°C
Package compatibility: 14-TSSOP or 14-TVSOP surface mount

Substitute parts are grouped into three categories based on their relationship to the main part:

Direct Manufacturer Equivalents maintain identical electrical specifications and 14-TSSOP packaging, differing only in manufacturer and packaging format (bulk or tube).

Similar Parts provide equivalent electrical performance but use alternative surface mount packages (14-TVSOP) with identical pin functionality and mechanical compatibility.

Parametric Equivalents meet all electrical specifications and may include additional qualifications such as automotive-grade certification (AEC-Q100).

Parameter Comparison

Part Number	Manufacturer	Product Status	Package	Voltage Supply	Quiescent Current (Max)	Output Current	Propagation Delay	Operating Temp	Packaging Format
74ALVC32MTCX	onsemi	Obsolete	14-TSSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2.8ns @ 3.3V, 50pF	-40°C ~ 85°C	Surface Mount
74ALVC32PW,118	NXP USA Inc.	Active	14-TSSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2ns @ 3.3V, 50pF	-40°C ~ 85°C	Bulk
SN74ALVC32PW	Texas Instruments	Active	14-TSSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2.8ns @ 3.3V, 50pF	-40°C ~ 85°C	Tube
SN74ALVC32DGVR	Texas Instruments	Active	14-TVSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2.8ns @ 3.3V, 50pF	-40°C ~ 85°C	Tape & Reel
74ALVC32PW-Q100J	Nexperia USA Inc.	Active	14-TSSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2.8ns @ 3.3V, 50pF	-40°C ~ 85°C	Tape & Reel
SN74ALVC32PWR	Texas Instruments	Active	14-TSSOP	1.65V ~ 3.6V	10 µA	24mA, 24mA	2.8ns @ 3.3V, 50pF	-40°C ~ 85°C	Tape & Reel

Engineering Selection Recommendations

All substitute parts listed maintain full electrical and functional compatibility with the 74ALVC32MTCX. Selection should be based on product availability, procurement requirements, and application-specific compliance needs.

For standard industrial applications: SN74ALVC32PW (Texas Instruments) and 74ALVC32PW,118 (NXP USA Inc.) are active production parts with established supply chains and meet all electrical specifications.

For automotive applications: 74ALVC32PW-Q100J (Nexperia USA Inc.) is qualified to AEC-Q100 automotive standards and carries RoHS3 compliance, suitable for automotive-grade designs.

For package-constrained designs: SN74ALVC32DGVR (Texas Instruments) provides identical electrical performance in 14-TVSOP packaging, offering alternative footprint options while maintaining mechanical compatibility.

All substitute parts carry MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status, matching the original part's environmental compliance profile.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74ALVC32MTCX with any of these substitute parts?

A: Yes. All listed substitute parts maintain identical electrical specifications, logic function, and operating parameters. Pin configuration and package footprints are compatible for direct substitution within the specified package types (14-TSSOP or 14-TVSOP).

Q: What is the difference between 14-TSSOP and 14-TVSOP packages?

A: Both packages are surface mount with identical pin counts and functionality. 14-TSSOP and 14-TVSOP differ in physical dimensions and thermal characteristics. Verify PCB footprint compatibility before substitution.

Q: Why does 74ALVC32PW,118 show faster propagation delay (2ns vs 2.8ns)?

A: Propagation delay specifications reflect maximum values under specified conditions. The 2ns specification for 74ALVC32PW,118 indicates superior performance while remaining within the functional requirements of the 74ALVC32 logic family.

Q: Is 74ALVC32PW-Q100J suitable for non-automotive applications?

A: Yes. AEC-Q100 qualification exceeds standard industrial requirements. This part is fully compatible with general-purpose logic applications and offers additional reliability assurance.

Q: What packaging formats are available?

A: Substitute parts are available in Bulk (74ALVC32PW,118), Tube (SN74ALVC32PW), and Tape & Reel formats (SN74ALVC32DGVR, 74ALVC32PW-Q100J, SN74ALVC32PWR). Select based on procurement volume and assembly requirements.

Q: Are all substitute parts RoHS compliant?

A: SN74ALVC32PW, SN74ALVC32DGVR, 74ALVC32PW-Q100J, and SN74ALVC32PWR carry RoHS3 compliance. All parts maintain REACH Unaffected status.

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