SN74HC04IPWRQ1 Equivalent & Substitute Parts

Part Overview

The SN74HC04IPWRQ1 is a 6-channel inverter logic IC manufactured by Texas Instruments in a 14-TSSOP surface mount package. This part operates across a 2V to 6V supply voltage range and is qualified to AEC-Q100 automotive standards. The SN74HC04IPWRQ1 is classified as obsolete, making equivalent substitute parts necessary for new designs and ongoing production requirements. Substitute parts maintain identical functional specifications while offering improved availability or extended operational parameters.

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
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74HC04IPWRQ1 are grouped based on strict electrical and mechanical parameter compatibility. All substitute parts maintain the core functional specifications: 6-channel inverter logic, 2V to 6V supply voltage operation, identical input/output current ratings, and 14-TSSOP package form factor. Substitution eligibility is determined by the following criteria:

Identical logic function (6-channel inverter, 1 input per channel)
Matching supply voltage range (2V ~ 6V minimum)
Equivalent or superior propagation delay performance
Identical package and pinout (14-TSSOP)
Surface mount mounting type
ROHS3 compliance and MSL 1 rating

Substitute parts are classified as parametric equivalents when all electrical specifications match the original part, or as manufacturer-recommended alternatives when minor parameter improvements are present while maintaining full backward compatibility.

Parameter Comparison

Part Number	Manufacturer	Product Status	Voltage - Supply	Current - Quiescent (Max)	Max Propagation Delay @ 6V, 50pF	Operating Temperature	Packaging	Inventory
SN74HC04IPWRQ1	Texas Instruments	Obsolete	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-TSSOP	801 Pcs
SN74HC04IPWRG4Q1	Texas Instruments	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-TSSOP	871 Pcs
SN74HC04PWR	Texas Instruments	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-TSSOP	4879 Pcs
SN74HC04PWT	Texas Instruments	Discontinued at DiGi Electronics	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-TSSOP	2108 Pcs
MC74HC04ADTR2G	onsemi	Active	2V ~ 6V	1 µA	13ns	-55°C ~ 125°C	14-TSSOP	4386 Pcs
MM74HC04MTCX	onsemi	Active	2V ~ 6V	2 µA	16ns	-40°C ~ 85°C	14-TSSOP	3372 Pcs

Engineering Selection Recommendations

For applications requiring direct replacement of the obsolete SN74HC04IPWRQ1, the SN74HC04IPWRG4Q1 and SN74HC04PWR from Texas Instruments provide parametric equivalence with active product status. Both parts maintain identical electrical specifications and are available in higher quantities, supporting production continuity.

The MC74HC04ADTR2G from onsemi offers enhanced performance characteristics, including reduced quiescent current (1 µA versus 2 µA) and faster propagation delay (13ns versus 16ns), while extending the operating temperature range to -55°C to 125°C. This part is suitable for applications requiring improved thermal performance or lower power consumption, provided the extended temperature range does not conflict with system requirements.

The MM74HC04MTCX from onsemi provides parametric equivalence to the original part with active product status and represents an alternative cross-manufacturer option maintaining identical electrical and thermal specifications.

Selection should prioritize parts with active product status to ensure long-term supply chain stability. All listed substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can SN74HC04PWR be used as a direct replacement for SN74HC04IPWRQ1?

A: Yes. Both parts are Texas Instruments 74HC04 inverter ICs with identical electrical specifications, supply voltage range, propagation delay, and 14-TSSOP package. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tape & Reel), which does not affect functional compatibility. SN74HC04PWR has active product status and higher inventory availability.

Q: What are the differences between Texas Instruments and onsemi substitute options?

A: Texas Instruments substitutes (SN74HC04IPWRG4Q1, SN74HC04PWR, SN74HC04PWT) maintain identical specifications to the original part. onsemi substitutes offer two options: MM74HC04MTCX provides parametric equivalence, while MC74HC04ADTR2G offers improved performance with lower quiescent current, faster propagation delay, and extended operating temperature range (-55°C to 125°C).

Q: Is the MC74HC04ADTR2G suitable for all applications using SN74HC04IPWRQ1?

A: The MC74HC04ADTR2G is functionally compatible and offers performance improvements. However, the extended operating temperature range (-55°C to 125°C versus -40°C to 85°C) should be verified against application requirements. The reduced propagation delay (13ns versus 16ns) and lower quiescent current provide benefits for timing-sensitive or power-constrained designs.

Q: Does packaging format affect electrical performance?

A: No. Packaging format differences (Tape & Reel, Cut Tape & Digi-Reel) relate only to supply and handling methods. All 14-TSSOP package variants maintain identical electrical characteristics, pinout, and functional performance. Selection should be based on procurement and assembly requirements.

Q: Are all substitute parts AEC-Q100 qualified?

A: The SN74HC04IPWRQ1 carries explicit AEC-Q100 qualification. Substitute parts from Texas Instruments (SN74HC04IPWRG4Q1, SN74HC04PWR, SN74HC04PWT) and onsemi (MC74HC04ADTR2G, MM74HC04MTCX) are standard automotive-grade 74HC04 logic ICs. Verification of specific AEC-Q100 certification status should be confirmed with manufacturer datasheets for critical automotive applications.

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