74VCX00MTCX NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74VCX00MTCX is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-TSSOP surface mount packaging. This component operates across a 1.2V to 3.6V supply voltage range with a maximum propagation delay of 2.8ns at 3.3V with 30pF load. The part is currently in Last Time Buy status, making identification of equivalent and substitute components essential for design continuity and procurement planning.

Key Parameters

Parameter	Value
Logic Type	NAND Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	1.2V ~ 3.6V
Current - Quiescent (Max)	20 µA
Current - Output High, Low	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.6V ~ 2V
Max Propagation Delay @ V, Max CL	2.8ns @ 3.3V, 30pF
Operating Temperature	-40°C ~ 85°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74VCX00MTCX is determined by the following critical parameters:

Functional Equivalence: All substitute parts must be 4-channel 2-input NAND gate logic ICs with identical logic function and pin configuration.

Electrical Compatibility: Supply voltage range, input/output logic levels, output drive current, and propagation delay characteristics must support the application requirements. The 74VCX00MTCX operates at 1.2V to 3.6V; substitute parts operating at 1.65V to 3.6V are compatible with designs using 3.3V or higher supply voltages.

Package Compatibility: All listed substitutes use 14-TSSOP or 14-TVSOP surface mount packages with identical 0.173" width and 4.40mm pitch, ensuring PCB footprint compatibility.

Compliance and Certification: RoHS3 compliance and MSL rating are maintained across all substitute options.

The 74ALVC series from Texas Instruments and Nexperia provides direct functional equivalence with enhanced specifications. The 74ALVC00 base product number represents the core logic family used across multiple manufacturers and packaging options.

Parameter Comparison

Parameter	74VCX00MTCX (onsemi)	SN74ALVC00PWR (TI)	74ALVC00PW,118 (NXP)	74ALVC00PW-Q100J (Nexperia)	SN74ALVC00DGVR (TI)	SN74ALVC00IPWRG4Q1 (TI)
Logic Type	NAND Gate	NAND Gate	NAND Gate	NAND Gate	NAND Gate	NAND Gate
Number of Circuits	4	4	4	4	4	4
Number of Inputs	2	2	2	2	2	2
Voltage - Supply	1.2V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V
Current - Quiescent (Max)	20 µA	10 µA	20 µA	20 µA	10 µA	10 µA
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.6V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	2.8ns @ 3.3V, 30pF	3ns @ 3.3V, 50pF	2.1ns @ 3.3V, 50pF	3ns @ 3.3V, 50pF	3ns @ 3.3V, 50pF	3ns @ 3.3V, 50pF
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TVSOP	14-TSSOP
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not specified	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Last Time Buy	Active	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Substitutes for Active Production: SN74ALVC00PWR, SN74ALVC00IPWRG4Q1, and 74ALVC00PW-Q100J are all active products with established supply chains. These parts maintain functional equivalence and electrical compatibility with the 74VCX00MTCX.

Automotive-Grade Options: SN74ALVC00IPWRG4Q1 and 74ALVC00PW-Q100J carry AEC-Q100 automotive qualification, suitable for applications requiring automotive-grade components.

Package Considerations: SN74ALVC00DGVR uses 14-TVSOP packaging instead of 14-TSSOP. While pin-compatible, PCB footprint differences require layout verification before substitution.

Supply Voltage Compatibility: Designs operating at supply voltages below 1.65V cannot use 74ALVC series substitutes. The 74VCX00MTCX supports 1.2V minimum supply; 74ALVC variants require 1.65V minimum.

Quiescent Current: Texas Instruments variants (SN74ALVC00PWR, SN74ALVC00DGVR, SN74ALVC00IPWRG4Q1) offer reduced quiescent current at 10 µA compared to the original 20 µA specification, providing power consumption benefits in battery-powered applications.

Frequently Asked Questions (FAQ)

Q: Can SN74ALVC00PWR directly replace 74VCX00MTCX in existing designs?

A: Yes, for applications using 3.3V or higher supply voltages. The SN74ALVC00PWR maintains identical logic function, pin configuration, and 14-TSSOP package footprint. However, designs operating at supply voltages between 1.2V and 1.65V require the original 74VCX00MTCX or equivalent low-voltage variants.

Q: What is the difference between 74ALVC00PW-Q100J and other 74ALVC00 variants?

A: The 74ALVC00PW-Q100J carries AEC-Q100 automotive qualification and is supplied in Tape & Reel packaging. It is functionally equivalent to other 74ALVC00 variants but is specifically qualified for automotive applications.

Q: Is SN74ALVC00DGVR compatible with the original 14-TSSOP footprint?

A: SN74ALVC00DGVR uses 14-TVSOP packaging, which differs from the 14-TSSOP package of the 74VCX00MTCX. While pin-compatible, the package outline is different. PCB footprint verification is required before substitution.

Q: Why do some substitutes have lower quiescent current specifications?

A: The 74ALVC series from Texas Instruments incorporates advanced process technology that reduces standby power consumption to 10 µA compared to the 74VCX00MTCX at 20 µA. This represents an improvement in power efficiency without affecting logic function or output drive capability.

Q: Are all listed substitutes RoHS3 compliant?

A: All substitutes with specified RoHS status are ROHS3 compliant. The 74ALVC00PW,118 from NXP does not specify RoHS status in the provided data; compliance verification with the manufacturer is recommended for applications requiring RoHS certification.

Q: What is the propagation delay difference between 74VCX00MTCX and 74ALVC00PW,118?

A: The 74ALVC00PW,118 has a maximum propagation delay of 2.1ns at 3.3V with 50pF load, compared to 2.8ns for the 74VCX00MTCX at 3.3V with 30pF load. The 74ALVC00PW,118 offers faster switching performance under higher capacitive loads.

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