SN74AHCT02QPWRQ1 Equivalent & Substitute Parts

Part Overview

The SN74AHCT02QPWRQ1 is a NOR Gate IC with 4 channels and 2 inputs per channel, manufactured by Texas Instruments in a 14-TSSOP surface mount package. This logic component operates within the 4.5V to 5.5V supply voltage range and is qualified to AEC-Q100 automotive standards. The part is currently active in production with 1074 units in stock. Equivalent and substitute parts are identified based on matching electrical characteristics, package specifications, and functional equivalence within the 74-series logic gate family.

Substiute Parts

SN74AHCT02QPWRQ1

Texas InstrumentsIn Stock: 1128SN74AHCT02QPWRQ1 Datasheet

Current PartRFQ

74AHCT02PW,118

Nexperia USA Inc.In Stock: 824674AHCT02PW,118 Datasheet

Parametric EquivalentRFQ

74VHCT02PW,118

Nexperia USA Inc.In Stock: 214474VHCT02PW,118 Datasheet

Parametric EquivalentRFQ

74VHCT02PW-Q100J

Nexperia USA Inc.In Stock: 359474VHCT02PW-Q100J Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SN74AHCT02QPWRQ1 are identified through parametric equivalence. All substitute candidates must match the following critical parameters: NOR gate logic function with 4 channels and 2 inputs per channel, 4.5V to 5.5V supply voltage range, 14-TSSOP package configuration, surface mount mounting type, and identical electrical performance specifications including quiescent current, output drive capability, input logic levels, and propagation delay characteristics.

The substitute parts are grouped into two categories based on series designation and automotive qualification status:

Category 1: 74AHCT Series (Nexperia USA Inc.) The 74AHCT02PW,118 maintains full parametric equivalence with identical electrical specifications and the same 74AHCT series designation. This part is produced by Nexperia USA Inc. and shares all functional and electrical characteristics with the main part.

Category 2: 74VHCT Series (Nexperia USA Inc.) The 74VHCT02PW,118 and 74VHCT02PW-Q100J represent the 74VHCT series variant. Both parts maintain identical electrical performance specifications and package configuration. The 74VHCT02PW-Q100J carries explicit AEC-Q100 automotive qualification matching the main part's grade designation.

Parameter Comparison

Engineering Selection Recommendations

All four parts are functionally equivalent and electrically interchangeable based on parametric specifications. Selection should be based on application requirements and compliance certifications.

For automotive applications requiring AEC-Q100 qualification, the 74VHCT02PW-Q100J is the direct equivalent substitute, maintaining both the automotive grade designation and AEC-Q100 qualification of the original SN74AHCT02QPWRQ1.

For general-purpose applications where automotive qualification is not required, the 74AHCT02PW,118 provides full parametric equivalence within the same 74AHCT series. The 74VHCT02PW,118 offers an alternative from the 74VHCT series with identical electrical performance but without explicit automotive qualification designation.

All substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), indicating superior moisture handling characteristics suitable for standard manufacturing environments.

Frequently Asked Questions (FAQ)

Q: Can the 74AHCT02PW,118 be used as a direct replacement for the SN74AHCT02QPWRQ1 in automotive applications?

A: The 74AHCT02PW,118 provides full parametric equivalence and electrical interchangeability. However, it does not carry explicit AEC-Q100 automotive qualification designation. For applications requiring documented automotive qualification, the 74VHCT02PW-Q100J is the appropriate substitute.

Q: What is the difference between the 74VHCT02PW,118 and 74VHCT02PW-Q100J?

A: Both parts are electrically and functionally identical with matching electrical specifications and 14-TSSOP package configuration. The 74VHCT02PW-Q100J carries explicit AEC-Q100 automotive qualification, while the 74VHCT02PW,118 does not. Selection depends on whether automotive qualification documentation is required for the application.

Q: Are all substitute parts available in the same 14-TSSOP package?

A: Yes. All substitute parts use the 14-TSSOP (0.173", 4.40mm Width) surface mount package, ensuring mechanical and electrical compatibility with existing PCB designs and assembly processes.

Q: What are the key electrical parameters that define substitutability for this NOR gate IC?

A: Substitutability is determined by matching logic function (4-channel NOR gate with 2 inputs), supply voltage range (4.5V to 5.5V), quiescent current (2 µA maximum), output drive capability (8mA high and low), input logic levels (0.8V low, 2V high), propagation delay (7.5ns @ 5V, 50pF), and operating temperature range (-40°C to 125°C).

Q: Do all substitute parts meet RoHS compliance requirements?

A: All Nexperia substitute parts are ROHS3 compliant. RoHS status for the original Texas Instruments part is not specified in the provided documentation.