74VHC04MX Equivalent & Substitute Parts

Part Overview

The 74VHC04MX 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 74VHC04MX operates across a 2V to 5.5V supply voltage range with 6 independent inverter circuits, each with single input configuration. Substitute parts maintain functional equivalence while offering improved availability and product status options.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	2V ~ 5.5V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	8mA, 8mA
Max Propagation Delay @ 5V, 50pF	7.5ns
Operating Temperature	-40°C ~ 85°C
Package / Case	14-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74VHC04MX are classified based on electrical parameter equivalence and product availability status. The primary substitution criteria are:

Core Electrical Parameters (Must Match):

Logic Type: Inverter
Number of Circuits: 6
Number of Inputs: 1
Voltage Supply Range: 2V ~ 5.5V minimum
Current Output: 8mA minimum for both high and low states
Package: 14-SOIC surface mount
RoHS3 Compliance

Acceptable Variations:

Propagation Delay: 7ns to 7.5ns at 5V, 50pF load
Operating Temperature: Extended ranges (-55°C to 125°C) are acceptable
Input Logic Levels: Variations within specified ranges are acceptable
Packaging Format: Cut Tape, Tape & Reel, and Tube formats are interchangeable for the same part number

Substitution Categories:

Parametric Equivalent parts maintain identical electrical specifications with different packaging formats or manufacturers within the same series (74VHC).

Direct Manufacturer parts from Texas Instruments (74AHC and 74AHCU series) provide functional equivalence with compatible electrical characteristics and improved product status.

Upgrade parts offer extended temperature ranges or automotive-grade qualifications while maintaining core electrical parameters.

Similar parts from alternative manufacturers (Nexperia) provide functional equivalence with minor package designation variations.

Parameter Comparison

Part Number	Manufacturer	Series	Product Status	Voltage Supply	Quiescent Current	Output Current	Propagation Delay	Temp Range	Package	Packaging Format
74VHC04MX	onsemi	74VHC	Obsolete	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 85°C	14-SOIC	Cut Tape
MC74VHC04DR2G	onsemi	74VHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 85°C	14-SOIC	Tape & Reel
SN74AHC04D	Texas Instruments	74AHC	Discontinued at DiGi Electronics	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SOIC	Tube
SN74AHC04DR	Texas Instruments	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SOIC	Tape & Reel
SN74AHCU04D	Texas Instruments	74AHCU	Last Time Buy	2V ~ 5.5V	2 µA	8mA, 8mA	7ns @ 5V	-40°C ~ 85°C	14-SOIC	Tube
SN74AHCU04DR	Texas Instruments	74AHCU	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7ns @ 5V	-40°C ~ 85°C	14-SOIC	Cut Tape
SN74AHC04MDREP	Texas Instruments	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-55°C ~ 125°C	14-SOIC	Tape & Reel
SN74AHC04QDR	Texas Instruments	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SOIC	Tape & Reel
SN74AHC04QDRG4Q1	Texas Instruments	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SOIC	Tape & Reel
SN74AHC04QDRQ1	Texas Instruments	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SOIC	Tape & Reel
74AHC04D,118	Nexperia USA Inc.	74AHC	Active	2V ~ 5.5V	2 µA	8mA, 8mA	7.5ns @ 5V	-40°C ~ 125°C	14-SO	Tape & Reel

Engineering Selection Recommendations

Primary Recommendation: MC74VHC04DR2G

The MC74VHC04DR2G is the direct parametric equivalent from onsemi with active product status. This part maintains identical electrical specifications to the 74VHC04MX while offering improved availability. The only difference is packaging format (Tape & Reel versus Cut Tape), which does not affect electrical performance or PCB assembly compatibility.

Secondary Recommendation: SN74AHC04DR

The SN74AHC04DR from Texas Instruments is an active product offering extended operating temperature range (-40°C to 125°C versus -40°C to 85°C). This part provides superior long-term availability and is suitable for applications requiring wider temperature operation. Electrical parameters remain equivalent to the 74VHC04MX.

Extended Temperature Option: SN74AHC04MDREP

The SN74AHC04MDREP extends the operating temperature range to -55°C to 125°C while maintaining all core electrical specifications. This option is appropriate for industrial and harsh environment applications.

Automotive-Grade Options: SN74AHC04QDR, SN74AHC04QDRG4Q1, SN74AHC04QDRQ1

These parts carry AEC-Q100 automotive qualification and are suitable for automotive and mission-critical applications. All three maintain identical electrical parameters with active product status.

Alternative Manufacturer: 74AHC04D,118

The Nexperia 74AHC04D,118 provides functional equivalence with active product status. Package designation (14-SO versus 14-SOIC) represents a minor variation in the same physical form factor and does not affect PCB assembly or electrical performance.

Avoid: SN74AHC04D and SN74AHCU04D

SN74AHC04D is discontinued at DiGi Electronics. SN74AHCU04D carries Last Time Buy status, indicating limited future availability. These parts should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74VHC04MX with MC74VHC04DR2G?

A: Yes. The MC74VHC04DR2G is a direct parametric equivalent with identical electrical specifications. The packaging format difference (Tape & Reel versus Cut Tape) does not affect electrical performance or PCB assembly compatibility.

Q: What is the difference between 74VHC, 74AHC, and 74AHCU series?

A: All three series provide 6-channel inverter logic with identical core electrical parameters (voltage supply, output current, propagation delay). The 74AHC series from Texas Instruments offers extended temperature range (-40°C to 125°C). The 74AHCU series provides faster propagation delay (7ns versus 7.5ns) but is in Last Time Buy status. The 74VHC series from onsemi is the original specification.

Q: Are there any compatibility issues with different packaging formats?

A: No. Cut Tape (CT), Tape & Reel (TR), and Tube packaging formats contain identical die and electrical specifications. The packaging format only affects procurement and assembly logistics, not electrical performance or PCB compatibility.

Q: Can I use automotive-grade parts (SN74AHC04QDR) in non-automotive applications?

A: Yes. Automotive-grade parts meet all standard specifications plus additional AEC-Q100 qualification requirements. They are fully compatible with non-automotive applications and provide enhanced reliability.

Q: What is the difference between SN74AHC04MDREP and SN74AHC04QDR?

A: The SN74AHC04MDREP offers extended temperature range (-55°C to 125°C) for industrial applications. The SN74AHC04QDR carries automotive-grade AEC-Q100 qualification with standard temperature range (-40°C to 125°C). Select based on application requirements: industrial harsh environments or automotive/mission-critical applications.

Q: Is the Nexperia 74AHC04D,118 a suitable replacement?

A: Yes. The 74AHC04D,118 provides functional equivalence with active product status. The package designation (14-SO) represents the same physical form factor as 14-SOIC and is fully compatible with existing PCB designs.

Q: Why should I avoid SN74AHCU04D?

A: The SN74AHCU04D carries Last Time Buy status, indicating limited future availability. While electrically compatible, this part should not be selected for new designs due to supply constraints.

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