74VCX08MTCX Equivalent & Substitute Parts

Part Overview

The 74VCX08MTCX is a 4-channel AND gate logic IC manufactured by onsemi in 14-TSSOP surface mount packaging. This part is classified as Last Time Buy, indicating limited availability from the original manufacturer. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain flexibility, and support long-term production requirements.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	4
Number of Inputs	2
Voltage Supply Range	1.2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package Type	14-TSSOP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 74VCX08MTCX is determined by the following core parameters:

Logic Function: All substitutes must implement 4-channel AND gate logic with 2 inputs per channel
Voltage Supply Range: Substitutes must support the operating voltage window; the 74VCX08MTCX operates at 1.2V ~ 3.6V
Package Type: Surface mount packaging in 14-TSSOP or compatible footprint (14-TVSOP acceptable with same pitch and pin count)
Operating Temperature Range: -40°C ~ 85°C minimum
Compliance: RoHS3 compliance and MSL 1 rating required

The substitute parts listed below meet these criteria. The 74ALVC08 series from Texas Instruments and NXP Semiconductors provides functional equivalence with compatible electrical characteristics and packaging options.

Parameter Comparison

Parameter	74VCX08MTCX (onsemi)	SN74ALVC08IPWRQ1 (TI)	SN74ALVC08IPWRG4Q1 (TI)	SN74ALVC08PWR (TI)	SN74ALVC08DGVR (TI)	74ALVC08PW,118 (NXP)
Logic Type	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate	AND Gate
Number of Circuits	4	4	4	4	4	4
Number of Inputs	2	2	2	2	2	2
Voltage Supply Range	1.2V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	1.65V ~ 3.6V	Not specified
Current - Quiescent (Max)	20 µA	10 µA	10 µA	10 µA	10 µA	Not specified
Current - Output High, Low	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	24mA, 24mA	Not specified
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V	Not specified
Input Logic Level - High	1.6V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V	Not specified
Max Propagation Delay @ 3.3V	2.8ns @ 30pF	2.9ns @ 50pF	2.9ns @ 50pF	2.9ns @ 50pF	2.9ns @ 50pF	Not specified
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	Not specified
Package Type	14-TSSOP	14-TSSOP	14-TSSOP	14-TSSOP	14-TVSOP	Not specified
Product Status	Last Time Buy	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not specified
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility)

SN74ALVC08IPWRQ1 and SN74ALVC08IPWRG4Q1 from Texas Instruments are the preferred substitutes. Both are manufactured in 14-TSSOP packaging with identical pinout and footprint to the 74VCX08MTCX. These parts maintain Active product status, ensuring long-term availability. The SN74ALVC08IPWRG4Q1 carries AEC-Q100 automotive qualification, suitable for applications requiring automotive-grade components.

Secondary Substitutes (Compatible with Minor Considerations)

SN74ALVC08PWR is functionally equivalent in 14-TSSOP packaging and Active status. This part is available in Cut Tape & Digi-Reel packaging, matching the original part's packaging format.

SN74ALVC08DGVR is packaged in 14-TVSOP, which maintains the same pitch and pin count as 14-TSSOP. This part is suitable for designs where TVSOP footprint compatibility is acceptable.

74ALVC08PW,118 from NXP Semiconductors provides functional equivalence with Active product status. Limited parameter data is provided for this part; verification of electrical specifications against design requirements is necessary before selection.

Voltage Supply Consideration

The 74VCX08MTCX operates at 1.2V minimum supply voltage, while all 74ALVC08 substitutes operate at 1.65V minimum. For applications requiring operation below 1.65V, the 74VCX08MTCX remains the only suitable option.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74VCX08MTCX with SN74ALVC08IPWRQ1?

A: Yes. Both parts implement 4-channel AND gate logic with identical pinout in 14-TSSOP packaging. Electrical parameters are compatible for standard logic applications operating at 1.65V or higher supply voltage.

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

A: Both packages have identical pitch (0.65mm) and pin count (14 pins). The primary difference is the body width: TSSOP is 4.40mm wide, while TVSOP is also 4.40mm wide with slightly different body profile. PCB footprints are compatible for both packages.

Q: Why does the 74VCX08MTCX have a lower minimum supply voltage than the 74ALVC08 series?

A: The 74VCX08MTCX is designed for low-voltage operation (1.2V minimum), while the 74ALVC08 series is optimized for standard low-voltage logic (1.65V minimum). This is a design difference between the two product families.

Q: Is SN74ALVC08IPWRG4Q1 suitable for automotive applications?

A: Yes. This part carries AEC-Q100 qualification and Automotive grade designation, meeting automotive industry standards for reliability and performance.

Q: What is the inventory status of these substitute parts?

A: SN74ALVC08IPWRQ1 has 5,400 units in stock. SN74ALVC08IPWRG4Q1 has 2,193 units in stock. SN74ALVC08PWR has 2,300 units in stock. SN74ALVC08DGVR has 5,074 units in stock. 74ALVC08PW,118 has 60,392 units in stock. All parts are listed as New Original.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the compliance profile of the 74VCX08MTCX.

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