74VCX00M NAND Gate IC Equivalent & Substitute Parts

Part Overview

The 74VCX00M is a 4-channel 2-input NAND gate logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The 74VCX00M operates across a supply voltage range of 1.2V to 3.6V with low quiescent current and standard NAND gate logic functionality suitable for general-purpose digital applications.

Key Parameters

Parameter	Value
Manufacturer Part Number	74VCX00M
Manufacturer	onsemi
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
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74VCX00M is determined by the following critical parameters:

Logic Type: NAND Gate with 4 channels and 2 inputs per channel
Supply Voltage Range: Minimum 1.2V operation capability
Output Drive Current: 24mA for both high and low states
Input Logic Thresholds: Low 0.7V ~ 0.8V, High 1.6V ~ 2V
Propagation Delay: Maximum 2.8ns at 3.3V with 30pF load
Package: 14-SOIC surface mount form factor
Operating Temperature: -40°C ~ 85°C range

The substitute parts listed below maintain functional equivalence through matching logic configuration, compatible voltage ranges, equivalent output drive capabilities, and identical package footprints. All substitute parts are active products with current manufacturing status and RoHS3 compliance, providing long-term availability advantages over the obsolete 74VCX00M.

Parameter Comparison

Parameter	74VCX00M (onsemi)	74ALVC00D,118 (Nexperia)	SN74ALVC00D (TI)	SN74ALVC00DR (TI)	SN74ALVC00IDREP (TI)	SN74ALVC00NSR (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	20 µA	10 µA	10 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	2.1ns @ 3.3V, 50pF	3ns @ 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
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.154", 3.90mm Width)	14-SOIC (0.209", 5.30mm Width)
Product Status	Obsolete	Active	Active	Active	Active	Active
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

All listed substitute parts are active products with current manufacturing status, providing superior long-term availability compared to the obsolete 74VCX00M. All Texas Instruments and Nexperia substitute parts carry RoHS3 compliance certification, meeting modern environmental and regulatory requirements.

For applications requiring the lowest quiescent current specification, the Texas Instruments variants (SN74ALVC00D, SN74ALVC00DR, SN74ALVC00IDREP, SN74ALVC00NSR) offer 10 µA maximum quiescent current compared to 20 µA for the original part and Nexperia alternative.

The 74ALVC00D,118 from Nexperia maintains the 20 µA quiescent current specification matching the original 74VCX00M, providing the closest electrical equivalence for designs with specific current budgeting.

For package footprint compatibility, SN74ALVC00D, SN74ALVC00DR, and SN74ALVC00IDREP maintain the 14-SOIC (0.154", 3.90mm Width) package identical to the original part. The SN74ALVC00NSR uses a 14-SOIC (0.209", 5.30mm Width) package variant requiring PCB layout verification before substitution.

Frequently Asked Questions (FAQ)

Q: Can the 74ALVC00D,118 from Nexperia directly replace the 74VCX00M?

A: The 74ALVC00D,118 provides functional equivalence with matching logic configuration, output drive current, and operating temperature range. The minimum supply voltage increases from 1.2V to 1.65V. Both parts maintain identical 14-SOIC (0.154", 3.90mm Width) package footprints and MSL 1 moisture sensitivity ratings. Verify that your application operates at or above 1.65V supply voltage.

Q: What are the differences between the Texas Instruments SN74ALVC00 variants?

A: All Texas Instruments variants (SN74ALVC00D, SN74ALVC00DR, SN74ALVC00IDREP, SN74ALVC00NSR) share identical electrical specifications with 10 µA quiescent current and 3ns propagation delay. Differences exist only in packaging format: SN74ALVC00D ships in Tube, SN74ALVC00DR in Cut Tape & Digi-Reel, SN74ALVC00IDREP in Tape & Reel, and SN74ALVC00NSR in Tape & Reel with a wider 14-SOIC package variant.

Q: Is the SN74ALVC00NSR package compatible with the original 74VCX00M PCB layout?

A: The SN74ALVC00NSR uses a 14-SOIC (0.209", 5.30mm Width) package compared to the standard 14-SOIC (0.154", 3.90mm Width) used by the 74VCX00M. PCB footprint verification is required before substitution. The other Texas Instruments variants maintain the standard 14-SOIC (0.154", 3.90mm Width) package.

Q: What is the minimum supply voltage for each substitute part?

A: The original 74VCX00M operates at 1.2V minimum supply voltage. All substitute parts (74ALVC00D,118, SN74ALVC00D, SN74ALVC00DR, SN74ALVC00IDREP, SN74ALVC00NSR) require a minimum supply voltage of 1.65V. Applications operating below 1.65V cannot use these substitutes.

Q: Do all substitute parts meet RoHS3 compliance?

A: All Texas Instruments and Nexperia substitute parts carry RoHS3 compliance certification. The original 74VCX00M RoHS status is not specified in the provided data.

Q: Which substitute part offers the best quiescent current performance?

A: The Texas Instruments variants (SN74ALVC00D, SN74ALVC00DR, SN74ALVC00IDREP, SN74ALVC00NSR) offer 10 µA maximum quiescent current, representing a 50% reduction compared to the original 74VCX00M and the Nexperia 74ALVC00D,118 at 20 µA.

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