74VHCT04AMX Equivalent & Substitute Parts

Part Overview

The 74VHCT04AMX is a 6-channel inverter logic IC manufactured by onsemi in 14-SOIC surface mount packaging. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The 74VHCT04AMX operates within the 4.5V to 5.5V supply voltage range and is suitable for standard logic applications requiring signal inversion across six independent channels.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	4.5V ~ 5.5V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	8mA, 8mA
Input Logic Level - Low	0.8V
Input Logic Level - High	2V
Max Propagation Delay @ V, Max CL	7.7ns @ 5V, 50pF
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74VHCT04AMX are classified based on electrical parameter compatibility and packaging considerations. All listed substitutes maintain identical logic functionality (6-channel inverter), supply voltage range (4.5V ~ 5.5V), quiescent current (2 µA max), output current (8mA), input logic levels, and propagation delay specifications. The primary differentiators among substitutes are product status (active vs. discontinued/obsolete), operating temperature range, manufacturer, and packaging format (Cut Tape vs. Tape & Reel).

Key parameters determining substitution eligibility:

Logic Type: Inverter (6 channels, 1 input per channel)
Voltage - Supply: 4.5V ~ 5.5V
Current - Quiescent (Max): 2 µA
Current - Output High, Low: 8mA, 8mA
Input Logic Levels: 0.8V (Low), 2V (High)
Max Propagation Delay: 7.7ns @ 5V, 50pF
Package / Case: 14-SOIC form factor

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Voltage - Supply	Current - Quiescent (Max)	Current - Output High, Low	Operating Temperature	Packaging	Package / Case
74VHCT04AMX	onsemi	74VHCT	Obsolete	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 85°C	Cut Tape (CT) & Digi-Reel®	14-SOIC (0.154", 3.90mm Width)
MC74VHCT04ADR2G	onsemi	74VHCT	Active	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 85°C	Tape & Reel (TR)	14-SOIC (0.154", 3.90mm Width)
SN74AHCT04D	Texas Instruments	74AHCT	Discontinued at DiGi Electronics	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 125°C	Tube	14-SOIC (0.154", 3.90mm Width)
SN74AHCT04DR	Texas Instruments	74AHCT	Active	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	14-SOIC (0.154", 3.90mm Width)
74AHCT04D-Q100J	Nexperia USA Inc.	74AHCT	Active	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 125°C	Tape & Reel (TR)	14-SOIC (0.154", 3.90mm Width)
74AHCT04D,118	Nexperia USA Inc.	74AHCT	Active	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 125°C	Tape & Reel (TR)	14-SOIC (0.154", 3.90mm Width)
SN74AHCT04NSR	Texas Instruments	74AHCT	Active	4.5V ~ 5.5V	2 µA	8mA, 8mA	-40°C ~ 125°C	Cut Tape (CT) & Digi-Reel®	14-SOIC (0.209", 5.30mm Width)

Engineering Selection Recommendations

For applications currently using the obsolete 74VHCT04AMX, the MC74VHCT04ADR2G from onsemi provides the most direct replacement, maintaining identical electrical specifications and operating temperature range while offering active product status. This part differs only in packaging format (Tape & Reel vs. Cut Tape & Digi-Reel).

The SN74AHCT04DR from Texas Instruments and 74AHCT04D,118 from Nexperia USA Inc. are active alternatives with extended operating temperature range (-40°C ~ 125°C vs. -40°C ~ 85°C), providing additional thermal margin for demanding applications. Both maintain all critical electrical parameters and are available in standard packaging formats.

The 74AHCT04D-Q100J from Nexperia USA Inc. is qualified to AEC-Q100 automotive standards and is suitable for applications requiring automotive-grade components with extended temperature operation.

All substitute parts carry ROHS3 compliance, MSL 1 rating, and identical RoHS and REACH status to the original part.

Frequently Asked Questions (FAQ)

Q: Can the MC74VHCT04ADR2G directly replace the 74VHCT04AMX?

A: Yes. Both parts are from onsemi, share the 74VHCT series designation, and maintain identical electrical specifications including supply voltage, quiescent current, output current, input logic levels, and propagation delay. The MC74VHCT04ADR2G is active and available, whereas the 74VHCT04AMX is obsolete.

Q: What is the difference between the 74VHCT and 74AHCT series?

A: Both series meet the same electrical specifications for this inverter function. The 74AHCT series offers extended operating temperature range (-40°C ~ 125°C) compared to the 74VHCT series (-40°C ~ 85°C). The 74AHCT variants are from different manufacturers (Texas Instruments and Nexperia) and are currently active in production.

Q: Are there package differences among the substitute parts?

A: Most substitutes use the standard 14-SOIC package with 0.154" width. The SN74AHCT04NSR uses a 14-SOIC package with 0.209" width, which may affect PCB layout compatibility. Verify footprint dimensions before selection.

Q: Which substitute offers the best availability?

A: The SN74AHCT04DR from Texas Instruments shows the highest inventory (21,300 pcs) and is active in production with Cut Tape & Digi-Reel packaging, matching the original part's packaging format.

Q: Is the 74AHCT04D-Q100J suitable for automotive applications?

A: Yes. The 74AHCT04D-Q100J carries AEC-Q100 qualification and automotive-grade designation, making it appropriate for automotive and high-reliability applications requiring extended temperature operation.

Q: Do all substitutes maintain RoHS3 compliance?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 rating and identical REACH status to the original 74VHCT04AMX.

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