SN74HC04PWT Equivalent & Substitute Parts

Part Overview

The SN74HC04PWT is a 6-channel inverter logic IC manufactured by Texas Instruments in 14-TSSOP surface mount packaging. This part is discontinued at DiGi Electronics, making equivalent and substitute parts necessary for ongoing design support and production requirements. The SN74HC04PWT serves as a standard inverter function in digital logic applications requiring low-voltage CMOS operation.

Key Parameters

Parameter	Value
Logic Type	Inverter
Number of Circuits	6
Number of Inputs	1
Voltage Supply Range	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
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74HC04PWT is determined by the following critical parameters:

Logic Function: All substitutes must be 6-channel inverters with single input per channel
Package Type: All substitutes must use 14-TSSOP surface mount packaging with identical pin configuration
Voltage Supply Range: Minimum 2V ~ 6V compatibility required
Output Current Capability: Minimum 5.2mA output drive required
Propagation Delay: Maximum 16ns at 6V with 50pF load acceptable for timing-critical applications
Operating Temperature Range: Minimum -40°C ~ 85°C required; extended range acceptable
Compliance: ROHS3 compliance and MSL 1 rating required

Substitute parts are grouped into two categories: parametric equivalents (identical electrical specifications) and direct manufacturer alternatives (functionally equivalent with minor specification variations).

Parameter Comparison

Part Number	Manufacturer	Series	Voltage Supply	Quiescent Current (Max)	Output Current (High/Low)	Propagation Delay @ 6V, 50pF	Operating Temp	Product Status	Packaging
SN74HC04PWT	Texas Instruments	74HC	2V ~ 6V	2 µA	5.2mA, 5.2mA	16ns	-40°C ~ 85°C	Discontinued	14-TSSOP (TR)
SN74HC04IPWRG4Q1	Texas Instruments	74HC	2V ~ 6V	2 µA	5.2mA, 5.2mA	16ns	-40°C ~ 85°C	Active	14-TSSOP (TR)
SN74HC04PWR	Texas Instruments	74HC	2V ~ 6V	2 µA	5.2mA, 5.2mA	16ns	-40°C ~ 85°C	Active	14-TSSOP (CT)
MC74HC04ADTR2G	onsemi	74HC	2V ~ 6V	1 µA	5.2mA, 5.2mA	13ns	-55°C ~ 125°C	Active	14-TSSOP (TR)
74HC04PW,118	Nexperia USA Inc.	74HC	2V ~ 6V	2 µA	5.2mA, 5.2mA	14ns	-40°C ~ 125°C	Active	14-TSSOP (TR)
74HC04T14-13	Diodes Incorporated	74HC	2V ~ 6V	20 µA	5.2mA, 5.2mA	15ns	-40°C ~ 125°C	Active	14-TSSOP (TR)
74HCU04T14-13	Diodes Incorporated	74HCU	2V ~ 6V	20 µA	5.2mA, 5.2mA	12ns	-40°C ~ 125°C	Active	14-TSSOP (TR)
MM74HCU04MTCX	onsemi	74HCU	2V ~ 6V	2 µA	5.2mA, 7.8mA	14ns	-40°C ~ 85°C	Active	14-TSSOP (CT)
MM74HC04MTCX	onsemi	74HC	2V ~ 6V	2 µA	5.2mA, 5.2mA	16ns	-40°C ~ 85°C	Active	14-TSSOP (TR)

Engineering Selection Recommendations

Primary Substitutes (Parametric Equivalents)

SN74HC04IPWRG4Q1 and SN74HC04PWR from Texas Instruments are direct parametric equivalents with identical electrical specifications. Both are active products with ROHS3 compliance and MSL 1 rating. SN74HC04IPWRG4Q1 includes AEC-Q100 automotive qualification. SN74HC04PWR is available in Cut Tape & Digi-Reel packaging versus Tape & Reel for the original part.

MM74HC04MTCX from onsemi is a parametric equivalent with identical specifications and operating temperature range matching the original SN74HC04PWT.

Alternative Substitutes (Functionally Equivalent)

MC74HC04ADTR2G from onsemi offers improved performance with lower quiescent current (1 µA versus 2 µA) and faster propagation delay (13ns versus 16ns). Extended operating temperature range (-55°C ~ 125°C) provides additional margin. All electrical parameters remain within acceptable substitution criteria.

74HC04PW,118 from Nexperia USA Inc. provides faster propagation delay (14ns) and extended operating temperature range (-40°C ~ 125°C) while maintaining identical quiescent current and output drive specifications.

Series Variants (74HCU)

74HCU04T14-13 and MM74HCU04MTCX represent the unbuffered variant of the 74HC04 inverter series. These parts feature different input logic level thresholds (0.3V ~ 1.2V low, 1.7V ~ 4.8V high versus 0.5V ~ 1.8V low, 1.5V ~ 4.2V high) and faster propagation delays (12ns and 14ns respectively). Selection of 74HCU variants requires verification that input signal levels meet the unbuffered threshold specifications.

Selection Criteria

All listed substitutes maintain 14-TSSOP package compatibility, 2V ~ 6V supply voltage range, and minimum 5.2mA output current drive. All parts are ROHS3 compliant with MSL 1 rating. Product status is active for all substitutes, ensuring long-term availability. Selection should prioritize Texas Instruments parts (SN74HC04IPWRG4Q1, SN74HC04PWR) for direct compatibility, or onsemi MC74HC04ADTR2G for improved performance specifications.

Frequently Asked Questions (FAQ)

Q: Can SN74HC04IPWRG4Q1 replace SN74HC04PWT directly?

A: Yes. SN74HC04IPWRG4Q1 is a parametric equivalent with identical electrical specifications, operating temperature range, and 14-TSSOP packaging. The primary difference is AEC-Q100 automotive qualification on the substitute part.

Q: What is the difference between 74HC04 and 74HCU04 series?

A: Both are 6-channel inverters in 14-TSSOP packaging with identical output drive and propagation delay performance. The 74HCU04 series uses unbuffered inputs with different logic level thresholds (0.3V ~ 1.2V low, 1.7V ~ 4.8V high) compared to 74HC04 (0.5V ~ 1.8V low, 1.5V ~ 4.2V high). Selection depends on input signal voltage levels in the application circuit.

Q: Is the packaging difference between Tape & Reel and Cut Tape significant?

A: Both packaging types use identical 14-TSSOP component packages. The difference is in the carrier format for automated assembly. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel are compatible with standard pick-and-place equipment. Selection depends on assembly line equipment compatibility and order quantity requirements.

Q: Can I use MC74HC04ADTR2G if my design requires -40°C ~ 85°C operation?

A: Yes. MC74HC04ADTR2G operates across -55°C ~ 125°C, which exceeds the -40°C ~ 85°C requirement. The extended temperature range provides additional operational margin without affecting performance within the original specification window.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. This applies to all listed substitutes and the original SN74HC04PWT.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original SN74HC04PWT specification.

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