SN74LVC02AMPWREP NOR Gate IC Equivalent & Substitute Parts

Part Overview

The SN74LVC02AMPWREP is a 4-channel 2-input NOR gate logic IC manufactured by Texas Instruments in 14-TSSOP surface mount packaging. This active product operates across a 2V to 3.6V supply voltage range with low quiescent current consumption of 10 µA maximum. The device is RoHS3 compliant and MSL Level 1, making it suitable for industrial and commercial applications requiring reliable logic gating functionality. Equivalent and substitute parts are identified based on matching logic type, circuit count, input configuration, package format, and electrical performance parameters.

Key Parameters

Parameter	Value
Logic Type	NOR Gate
Number of Circuits	4
Number of Inputs	2
Voltage - Supply	2V ~ 3.6V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	24mA, 24mA
Max Propagation Delay @ 3.3V, 50pF	5.5ns
Operating Temperature	-55°C ~ 125°C
Package / Case	14-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the SN74LVC02AMPWREP is determined by the following critical parameters:

Logic type must be NOR gate with 4 circuits and 2 inputs per circuit
Package format must be 14-TSSOP surface mount
Supply voltage range must encompass or be compatible with 2V to 3.6V operation
Output current capability must meet or exceed 24mA for both high and low states
Propagation delay at 3.3V with 50pF load must not exceed 5.5ns
Operating temperature range must support the application requirements
RoHS and MSL compliance status must be verified for regulatory requirements

Identified substitute parts maintain these core electrical and mechanical specifications while originating from different manufacturers including Fairchild Semiconductor, NXP Semiconductors, Nexperia USA Inc., and onsemi.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Voltage - Supply	Current - Quiescent (Max)	Current - Output High, Low	Max Propagation Delay @ 3.3V, 50pF	Operating Temperature	Package / Case	Product Status
SN74LVC02AMPWREP	Texas Instruments	74LVC	2V ~ 3.6V	10 µA	24mA, 24mA	5.5ns	-55°C ~ 125°C	14-TSSOP	Active
74LCX02MTCX	Fairchild Semiconductor	74LCX	2V ~ 3.6V	10 µA	24mA, 24mA	5.2ns	-40°C ~ 85°C	14-TSSOP	Active
74LVC02APW,118	NXP Semiconductors	74LVC	1.2V ~ 3.6V	40 µA	24mA, 24mA	5.5ns	-40°C ~ 125°C	14-TSSOP	Active
74LVC02APW-Q100J	Nexperia USA Inc.	74LVC	1.2V ~ 3.6V	10 µA	24mA, 24mA	4.4ns	-40°C ~ 125°C	14-TSSOP	Active
MC74LCX02DTG	onsemi	74LCX	2V ~ 3.6V	10 µA	24mA, 24mA	5.5ns	-40°C ~ 85°C	14-TSSOP	Active
MC74LCX02DTR2G	onsemi	74LCX	2V ~ 3.6V	10 µA	24mA, 24mA	5.5ns	-40°C ~ 85°C	14-TSSOP	Active

Engineering Selection Recommendations

All identified substitute parts maintain active product status and RoHS3 compliance. Selection between substitutes depends on specific application constraints:

The 74LCX02MTCX from Fairchild Semiconductor and MC74LCX02DTG and MC74LCX02DTR2G from onsemi operate within the 2V to 3.6V supply range matching the original part, with identical quiescent current and output drive specifications. These options are suitable for applications with strict supply voltage requirements. The MC74LCX02DTR2G variant offers tape and reel packaging equivalent to the original SN74LVC02AMPWREP.

The 74LVC02APW,118 from NXP Semiconductors extends the lower supply voltage limit to 1.2V and supports the full -40°C to 125°C temperature range, though quiescent current increases to 40 µA. This part is appropriate for applications requiring extended low-voltage operation.

The 74LVC02APW-Q100J from Nexperia USA Inc. provides automotive-grade qualification with AEC-Q100 certification, extended supply voltage range (1.2V to 3.6V), and superior propagation delay performance (4.4ns). This part is specified for automotive and high-reliability applications requiring formal qualification documentation.

Frequently Asked Questions (FAQ)

Q: Can the 74LCX02MTCX directly replace the SN74LVC02AMPWREP?

A: The 74LCX02MTCX is electrically compatible within the 2V to 3.6V supply range with matching output current and propagation delay specifications. The primary difference is the reduced operating temperature range (-40°C to 85°C versus -55°C to 125°C). Substitution is valid for applications operating within the narrower temperature window.

Q: What is the difference between 74LVC and 74LCX series parts?

A: Both series are 4-channel 2-input NOR gates in 14-TSSOP packaging with identical logic functionality. The 74LCX series (Fairchild and onsemi) operates within 2V to 3.6V supply range, while 74LVC series (Texas Instruments, NXP, Nexperia) extends to 1.2V minimum. Input logic level thresholds differ slightly between series.

Q: Why does the 74LVC02APW,118 have higher quiescent current?

A: The 74LVC02APW,118 from NXP specifies 40 µA maximum quiescent current compared to 10 µA for other parts. This represents a different manufacturing process or design variant within the same logic family. Applications sensitive to standby power consumption should verify this parameter against system requirements.

Q: Is the 74LVC02APW-Q100J suitable for non-automotive applications?

A: Yes. The automotive qualification (AEC-Q100) indicates enhanced reliability and process control. The part is fully functional in commercial and industrial applications. The superior propagation delay (4.4ns) and extended supply voltage range provide additional design margin.

Q: What packaging options are available among the substitutes?

A: The SN74LVC02AMPWREP and 74LVC02APW-Q100J are supplied in tape and reel format. The 74LVC02APW,118 is supplied in bulk packaging. The MC74LCX02DTG is supplied in tube format, while MC74LCX02DTR2G is supplied in tape and reel. All maintain identical 14-TSSOP case dimensions and surface mount compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: All identified substitute parts are RoHS3 compliant and MSL Level 1 (unlimited moisture sensitivity). Compliance documentation is available from respective manufacturers for regulatory verification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message