SN74HC04DRG4 Equivalent & Substitute Parts

Part Overview

The SN74HC04DRG4 is a 6-channel inverter logic IC manufactured by Texas Instruments in 14-SOIC surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and procurement. The SN74HC04DRG4 operates across a 2V to 6V supply voltage range with low quiescent current and standard propagation delay characteristics suitable for general-purpose logic inversion applications.

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	16ns
Operating Temperature	-40°C ~ 85°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 SN74HC04DRG4 is determined by the following critical parameters: logic type (inverter), circuit count (6 channels), input count (1 per channel), supply voltage range (2V ~ 6V), output current capability (5.2mA), and 14-SOIC package compatibility. Parts are grouped into three categories based on substitution relationship:

MFR Recommended Substitutes maintain identical electrical specifications and are direct replacements from the same manufacturer with active product status.

Parametric Equivalents meet all functional requirements but may differ in packaging format, quiescent current, or propagation delay within acceptable tolerances.

Direct Manufacturer Alternatives are from different manufacturers (onsemi, Diodes Incorporated) and provide equivalent functionality with variations in performance characteristics or operating temperature range.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Propagation Delay @ 6V, 50pF	Operating Temperature	Package	Packaging Type
SN74HC04DRG4	Texas Instruments	Discontinued at DiGi Electronics	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Digi-Reel
SN74HC04DR	Texas Instruments	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Cut Tape & Digi-Reel
SN74HC04DRG3	Texas Instruments	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Tape & Reel
SN74HC04DT	Texas Instruments	Discontinued at DiGi Electronics	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Tape & Reel
MC74HC04ADR2G	onsemi	Active	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	14-SOIC	Cut Tape & Digi-Reel
MM74HC04M	onsemi	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Tube
74HC04S14-13	Diodes Incorporated	Active	2V ~ 6V	20 µA	15ns	-40°C ~ 125°C	14-SOIC	Tape & Reel
74HCU04S14-13	Diodes Incorporated	Active	2V ~ 6V	20 µA	12ns	-40°C ~ 125°C	14-SOIC	Tape & Reel
MC74HC04ADG	onsemi	Active	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	14-SOIC	Tube
NLV74HC04ADR2G	onsemi	Obsolete	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	14-SOIC	Cut Tape & Digi-Reel
MM74HC04MX	onsemi	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-SOIC	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Primary Recommendation: SN74HC04DR — Texas Instruments active part with identical electrical specifications to the SN74HC04DRG4. Maintains 2V ~ 6V supply voltage, 2 µA quiescent current, and 16ns propagation delay. Available in Cut Tape and Digi-Reel packaging formats. ROHS3 compliant with MSL 1 rating.

Secondary Recommendation: MC74HC04ADR2G — onsemi active part offering improved performance with lower quiescent current (1 µA) and faster propagation delay (13ns). Extended operating temperature range (-55°C ~ 125°C) provides broader application support. ROHS3 compliant with MSL 1 rating. High inventory availability (130,100 pcs).

Alternative for Extended Temperature: MC74HC04ADG — onsemi active part in tube packaging with identical performance characteristics to MC74HC04ADR2G. Suitable for applications requiring -55°C ~ 125°C operating range.

Alternative for Cost-Sensitive Applications: MM74HC04M or MM74HC04MX — onsemi active parts matching original SN74HC04DRG4 specifications (2 µA quiescent, 16ns delay, -40°C ~ 85°C). Available in tube (MM74HC04M) or cut tape (MM74HC04MX) formats.

Diodes Incorporated Options: 74HC04S14-13 and 74HCU04S14-13 — Active parts with extended temperature range (-40°C ~ 125°C). Note higher quiescent current (20 µA) compared to original specification. 74HCU04S14-13 offers faster propagation delay (12ns) with different input logic thresholds (0.3V ~ 1.2V low, 1.7V ~ 4.8V high).

Avoid: NLV74HC04ADR2G — Listed as obsolete product status despite available inventory. Not recommended for new designs.

Frequently Asked Questions (FAQ)

Q: Can SN74HC04DR directly replace SN74HC04DRG4? A: Yes. SN74HC04DR is the active equivalent with identical electrical specifications, supply voltage (2V ~ 6V), quiescent current (2 µA), propagation delay (16ns), and 14-SOIC package. The primary difference is packaging format (Cut Tape & Digi-Reel vs. Digi-Reel only).

Q: What is the difference between MC74HC04ADR2G and the original SN74HC04DRG4? A: MC74HC04ADR2G maintains functional equivalence but offers improved performance: lower quiescent current (1 µA vs. 2 µA), faster propagation delay (13ns vs. 16ns), and extended operating temperature range (-55°C ~ 125°C vs. -40°C ~ 85°C). All parts are ROHS3 compliant with MSL 1 rating and use identical 14-SOIC packaging.

Q: Are there packaging format differences between substitute parts? A: Yes. Substitute parts are available in multiple packaging formats: Cut Tape & Digi-Reel (SN74HC04DR, MC74HC04ADR2G, MM74HC04MX, NLV74HC04ADR2G), Tape & Reel (SN74HC04DRG3, SN74HC04DT, 74HC04S14-13, 74HCU04S14-13), and Tube (MM74HC04M, MC74HC04ADG). Select based on procurement and assembly requirements.

Q: Why does 74HCU04S14-13 have different input logic levels? A: 74HCU04S14-13 is a 74HCU series part with unbuffered outputs, resulting in different input thresholds (0.3V ~ 1.2V low, 1.7V ~ 4.8V high) compared to standard 74HC04 parts (0.5V ~ 1.8V low, 1.5V ~ 4.2V high). This affects circuit compatibility and should be verified before substitution.

Q: Is the higher quiescent current in Diodes Incorporated parts a concern? A: 74HC04S14-13 and 74HCU04S14-13 specify 20 µA quiescent current versus 2 µA in the original part. This 10x increase may impact low-power applications. Verify power budget requirements before selection.

Q: Can I use NLV74HC04ADR2G as a substitute? A: NLV74HC04ADR2G is listed as obsolete and not recommended for new designs despite current inventory availability. Use active alternatives such as MC74HC04ADR2G or SN74HC04DR instead.

Q: What compliance certifications apply to all substitute parts? A: All listed substitute parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity rating. ECCN classification is EAR99 for all parts.

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