CD74HC04M Equivalent & Substitute Parts

Part Overview

The CD74HC04M is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-SOIC surface mount package. This part is discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The CD74HC04M operates across a 2V to 6V supply voltage range with a maximum propagation delay of 14ns at 6V with 50pF load, suitable for general-purpose digital logic inversion applications requiring standard CMOS performance.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage - Supply	2V ~ 6V
Current - Quiescent (Max)	2 µA
Current - Output High, Low	5.2mA, 5.2mA
Input Logic Level - Low	0.5V ~ 1.8V
Input Logic Level - High	1.5V ~ 4.2V
Max Propagation Delay @ 6V, 50pF	14ns
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Package / Case	14-SOIC (0.154", 3.90mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the CD74HC04M is determined by strict equivalence across the following critical parameters:

Logic Type: Inverter with 6 channels, 1 input per channel
Package: 14-SOIC surface mount form factor
Voltage Supply Range: 2V ~ 6V minimum requirement
Output Current Capability: 5.2mA minimum for both high and low states
Input Logic Levels: Compatible threshold ranges
Operating Temperature: Minimum -40°C to maximum 85°C or better
Compliance: ROHS3 compliant, MSL 1 rating

Substitute parts are grouped into two categories:

Direct Equivalents (14-SOIC Package): Parts maintaining identical electrical specifications and 14-SOIC packaging with active product status.

Functional Equivalents (14-SO Package): Parts with equivalent electrical performance in 14-SO packaging, which is mechanically compatible with 14-SOIC footprints.

Series Variants: Parts from the 74HCU series maintain core inverter functionality with modified input logic thresholds suitable for specific applications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Package	Voltage Supply	Quiescent Current (Max)	Propagation Delay @ 6V, 50pF	Operating Temp	Packaging Type
CD74HC04M	Texas Instruments	Discontinued	14-SOIC	2V ~ 6V	2 µA	14ns	-55°C ~ 125°C	Tube
CD74HC04M96	Texas Instruments	Active	14-SOIC	2V ~ 6V	2 µA	14ns	-55°C ~ 125°C	Cut Tape & Digi-Reel
SN74HC04DR	Texas Instruments	Active	14-SOIC	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	Cut Tape & Digi-Reel
MC74HC04ADR2G	onsemi	Active	14-SOIC	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	Cut Tape & Digi-Reel
MM74HC04M	onsemi	Active	14-SOIC	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	Tube
MM74HC04MX	onsemi	Active	14-SOIC	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	Cut Tape & Digi-Reel
74HC04D,653	Nexperia USA Inc.	Active	14-SO	2V ~ 6V	2 µA	14ns	-40°C ~ 125°C	Tape & Reel
74HC04D-Q100,118	Nexperia USA Inc.	Active	14-SO	2V ~ 6V	2 µA	14ns	-40°C ~ 125°C	Tape & Reel
74HC04S14-13	Diodes Incorporated	Active	14-SO	2V ~ 6V	20 µA	15ns	-40°C ~ 125°C	Tape & Reel
74HCU04S14-13	Diodes Incorporated	Active	14-SO	2V ~ 6V	20 µA	12ns	-40°C ~ 125°C	Tape & Reel
MC74HC04ADG	onsemi	Active	14-SOIC	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	Tube

Engineering Selection Recommendations

Primary Recommendation: CD74HC04M96

CD74HC04M96 is the direct active equivalent from Texas Instruments, maintaining identical electrical specifications to the discontinued CD74HC04M. This part preserves the original -55°C to 125°C operating temperature range and 14ns propagation delay. Availability is high at 10,400 pieces in stock. Packaging is available in Cut Tape and Digi-Reel formats suitable for automated assembly.

Secondary Recommendation: MC74HC04ADR2G

MC74HC04ADR2G from onsemi provides superior electrical performance with 1 µA quiescent current (versus 2 µA) and 13ns propagation delay. Operating temperature range matches the original at -55°C to 125°C. This part is actively produced with 130,100 pieces in stock, ensuring long-term availability. Suitable for applications where lower power consumption is beneficial.

Alternative for Extended Temperature: 74HC04D,653

For applications requiring the full -40°C to 125°C operating range with 14ns propagation delay, the Nexperia 74HC04D,653 provides equivalent performance in 14-SO packaging. This package is mechanically compatible with 14-SOIC footprints. AEC-Q100 automotive-qualified variant 74HC04D-Q100,118 is available for automotive applications.

Consideration for Cost-Optimized Designs: MM74HC04MX

MM74HC04MX from onsemi offers cost-effective substitution with 16ns propagation delay and -40°C to 85°C operating range. This part is suitable for applications not requiring extended low-temperature operation. High inventory of 17,822 pieces supports volume production.

Note on 74HCU Series: The 74HCU04S14-13 variant features modified input logic thresholds (0.3V ~ 1.2V low, 1.7V ~ 4.8V high) compared to standard 74HC thresholds. This part is suitable only for applications specifically designed for 74HCU logic levels and is not a direct substitute for standard 74HC04 designs.

Frequently Asked Questions (FAQ)

Q: Can I use CD74HC04M96 as a direct replacement for CD74HC04M?

A: Yes. CD74HC04M96 is the active production equivalent with identical electrical specifications, operating temperature range (-55°C to 125°C), and propagation delay (14ns). The only difference is packaging format (Cut Tape & Digi-Reel versus Tube), which does not affect circuit performance.

Q: What is the difference between 14-SOIC and 14-SO packages?

A: Both packages are mechanically compatible with identical 0.154" (3.90mm) width and 14-pin configuration. 14-SO and 14-SOIC refer to the same physical form factor. Parts specified as either package can be used interchangeably on the same PCB footprint.

Q: Is MC74HC04ADR2G a suitable substitute if my design operates at -55°C?

A: Yes. MC74HC04ADR2G maintains the -55°C to 125°C operating temperature range. Additionally, it provides improved specifications with 1 µA quiescent current and 13ns propagation delay, making it superior to the original CD74HC04M in these parameters.

Q: Can I use SN74HC04DR if my application requires -55°C operation?

A: No. SN74HC04DR operates only to -40°C minimum. For applications requiring -55°C operation, use CD74HC04M96 or MC74HC04ADR2G.

Q: What is the significance of the 74HCU04S14-13 part number variant?

A: The 74HCU04S14-13 is a different logic family (74HCU instead of 74HC) with modified input logic thresholds. It is not a direct substitute for 74HC04 designs. Use only if your circuit design specifically requires 74HCU input threshold specifications.

Q: Which substitute offers the best long-term availability?

A: MC74HC04ADR2G from onsemi has the highest inventory at 130,100 pieces, combined with active product status and established manufacturing continuity. This part is recommended for designs requiring maximum supply chain security.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original CD74HC04M compliance status.

Q: What is the difference in quiescent current between substitute options?

A: Quiescent current ranges from 1 µA (MC74HC04ADR2G, MC74HC04ADG) to 20 µA (74HC04S14-13, 74HCU04S14-13). For battery-powered or ultra-low-power applications, select parts with 1 µA or 2 µA ratings. The 20 µA variants are suitable for standard industrial applications where quiescent current is not a limiting factor.

Q: Can I mix different substitute parts in the same design?

A: Yes, provided all parts meet your circuit's electrical requirements. However, for consistency in production testing and long-term maintenance, standardizing on a single substitute part number is recommended.

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