74HC2G02DC,125 Equivalent & Substitute Parts

Part Overview

The 74HC2G02DC,125 is a NOR Gate IC featuring 2 channels with 2 inputs per channel in an 8-VSSOP surface mount package, manufactured by Nexperia USA Inc. This logic component operates across a 2V to 6V supply voltage range and is classified as an active product with ROHS3 compliance. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity while maintaining functional and electrical compatibility.

Key Parameters

Parameter	Value
Logic Type	NOR Gate
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	2V ~ 6V
Operating Temperature	-40°C ~ 125°C
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution relationships for the 74HC2G02DC,125 are established based on the following criteria:

Parametric Equivalents maintain identical or functionally equivalent electrical characteristics across all critical parameters: logic type (NOR Gate), circuit count (2 channels), input count (2 per channel), package type (8-VFSOP), mounting method (Surface Mount), and operating temperature range (-40°C ~ 125°C).

Similar Parts share the same logic function, circuit architecture, and physical package but operate within different voltage supply ranges and exhibit different propagation delay and output current characteristics. These parts are suitable for substitution when the application voltage and timing requirements align with the substitute part specifications.

The 74HC2G02DC-Q100H is a parametric equivalent with automotive-grade qualification (AEC-Q100), differing only in qualification status. The SN74LVC2G02DCUR and SN74LVC2G02DCUT are similar parts from Texas Instruments operating at 1.65V ~ 5.5V with enhanced output current capability (32mA vs. 5.2mA) and faster propagation delay (4.4ns vs. 16ns).

Parameter Comparison

Parameter	74HC2G02DC,125	74HC2G02DC-Q100H	SN74LVC2G02DCUR	SN74LVC2G02DCUT
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Texas Instruments	Texas Instruments
Series	74HC	74HC	74LVC	74LVC
Logic Type	NOR Gate	NOR Gate	NOR Gate	NOR Gate
Number of Circuits	2	2	2	2
Number of Inputs	2	2	2	2
Voltage - Supply	2V ~ 6V	2V ~ 6V	1.65V ~ 5.5V	1.65V ~ 5.5V
Current - Quiescent (Max)	20 µA	20 µA	10 µA	10 µA
Current - Output High, Low	5.2mA, 5.2mA	5.2mA, 5.2mA	32mA, 32mA	32mA, 32mA
Max Propagation Delay @ V, Max CL	16ns @ 6V, 50pF	16ns @ 6V, 50pF	4.4ns @ 5V, 50pF	4.4ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)	8-VFSOP (0.091", 2.30mm Width)
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active
Qualification	Standard	AEC-Q100 (Automotive)	Standard	Standard

Engineering Selection Recommendations

74HC2G02DC-Q100H is a direct parametric equivalent suitable for applications requiring automotive-grade qualification. This part maintains identical electrical specifications and physical packaging while providing AEC-Q100 certification for automotive environments.

SN74LVC2G02DCUR and SN74LVC2G02DCUT are suitable substitutes for applications operating within the 1.65V ~ 5.5V supply range. These Texas Instruments parts offer superior performance characteristics: lower quiescent current (10 µA vs. 20 µA), higher output current capability (32mA vs. 5.2mA), and faster propagation delay (4.4ns vs. 16ns). Selection between DCUR (Cut Tape & Digi-Reel) and DCUT (Tape & Reel) depends on packaging and supply requirements.

All substitute parts maintain ROHS3 compliance, identical logic function, and compatible 8-VFSOP packaging, ensuring PCB-level compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the 74HC2G02DC-Q100H replace the 74HC2G02DC,125 in standard applications?

A: Yes. The 74HC2G02DC-Q100H is a parametric equivalent with identical electrical specifications, operating voltage range (2V ~ 6V), propagation delay (16ns @ 6V, 50pF), and output current ratings (5.2mA). The primary difference is AEC-Q100 automotive qualification. Both parts are pin-compatible and require no circuit modifications.

Q: What are the key differences between 74HC and 74LVC series substitutes?

A: The 74LVC series (SN74LVC2G02DCUR, SN74LVC2G02DCUT) operates at a lower voltage range (1.65V ~ 5.5V vs. 2V ~ 6V), provides higher output current (32mA vs. 5.2mA), and exhibits faster propagation delay (4.4ns vs. 16ns). Quiescent current is also lower (10 µA vs. 20 µA). These differences make 74LVC suitable for low-power and high-speed applications within the compatible voltage range.

Q: Are the packaging and pinout identical across all substitute parts?

A: Yes. All parts use the 8-VFSOP package (0.091", 2.30mm Width) with identical pinout and surface mount configuration. No PCB layout changes are required for substitution.

Q: What is the difference between SN74LVC2G02DCUR and SN74LVC2G02DCUT?

A: Both parts are electrically identical. The difference is packaging format: DCUR is supplied in Cut Tape & Digi-Reel format, while DCUT is supplied in Tape & Reel format. Selection depends on procurement and assembly requirements.

Q: Can 74LVC parts be used in applications designed for 74HC parts?

A: Substitution is valid when the application voltage range (1.65V ~ 5.5V) and timing requirements are compatible. The 74LVC series offers performance advantages (faster propagation, higher output current) but operates at a lower minimum voltage. Verify that the application does not require the full 2V ~ 6V range of the 74HC series.

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