SN74LVC2G08DCTRE4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G08DCTRE4 is a dual 2-input AND gate logic IC manufactured by Texas Instruments in an 8-LSSOP surface mount package. This part is discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement. The 74LVC2G08 logic family provides low-voltage CMOS AND gate functionality suitable for digital logic applications requiring voltage supply operation between 1.65V and 5.5V.

Key Parameters

Parameter	Value
Logic Type	AND Gate
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA (SN74LVC2G08DCTRE4)
Current - Output High, Low	32mA, 32mA
Max Propagation Delay @ 5V, 50pF	3.8ns
Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the SN74LVC2G08DCTRE4 is determined by the following criteria:

Functional Equivalence: All substitute parts maintain identical logic function (dual 2-input AND gate), circuit count (2), input count (2), and propagation delay (3.8ns @ 5V, 50pF).

Electrical Compatibility: All substitutes operate within the same supply voltage range (1.65V ~ 5.5V) and maintain identical output current specifications (32mA high and low). Input logic levels and quiescent current may vary within acceptable design margins.

Package Compatibility: Substitutes are available in three package variants: 8-LSSOP (original), 8-VSSOP, and 8-TSSOP. Package selection depends on PCB layout constraints and mechanical requirements.

Compliance & Status: Substitutes include both standard industrial-grade and automotive-qualified (AEC-Q100) variants, all meeting ROHS3 compliance and MSL 1 specifications.

Parameter Comparison

Part Number	Manufacturer	Product Status	Logic Type	Circuits / Inputs	Supply Voltage	Quiescent Current (Max)	Output Current (H/L)	Propagation Delay	Package	Packaging Type
SN74LVC2G08DCTRE4	Texas Instruments	Discontinued	AND Gate	2 / 2	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.8ns @ 5V	8-LSSOP	Cut Tape & Digi-Reel
SN74LVC2G08DCTR	Texas Instruments	Active	AND Gate	2 / 2	1.65V ~ 5.5V	10 µA	32mA, 32mA	3.8ns @ 5V	8-LSSOP	Cut Tape & Digi-Reel
74LVC2G08DC,125	Nexperia USA Inc.	Active	AND Gate	2 / 2	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.8ns @ 5V	8-VSSOP	Tape & Reel
74LVC2G08DP,125	Nexperia USA Inc.	Active	AND Gate	2 / 2	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.8ns @ 5V	8-TSSOP	Cut Tape & Digi-Reel
74LVC2G08DP-Q100H	Nexperia USA Inc.	Active	AND Gate	2 / 2	1.65V ~ 5.5V	4 µA	32mA, 32mA	3.8ns @ 5V	8-TSSOP	Tape & Reel

Engineering Selection Recommendations

Direct Package Replacement: SN74LVC2G08DCTR is the primary substitute, offering identical package (8-LSSOP), manufacturer (Texas Instruments), and electrical specifications with active product status.

Alternative Package Options: Nexperia 74LVC2G08DC,125 (8-VSSOP) and 74LVC2G08DP,125 (8-TSSOP) provide functional equivalence with lower quiescent current (4 µA vs. 10 µA) and are suitable where PCB layout accommodates different package footprints.

Automotive Applications: 74LVC2G08DP-Q100H includes AEC-Q100 automotive qualification and is specified for designs requiring automotive-grade components. This variant maintains identical electrical performance while meeting automotive reliability standards.

Compliance Assurance: All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical operating temperature range (-40°C ~ 125°C), ensuring regulatory and environmental compatibility with the original design.

Frequently Asked Questions (FAQ)

Q: Can I substitute SN74LVC2G08DCTR for the discontinued SN74LVC2G08DCTRE4?

A: Yes. SN74LVC2G08DCTR is a direct substitute with identical package (8-LSSOP), electrical specifications, and functional performance. Both are manufactured by Texas Instruments and maintain the same supply voltage range, output current, and propagation delay.

Q: What is the difference between the Texas Instruments and Nexperia variants?

A: Both manufacturers produce 74LVC2G08 logic gates with identical functional specifications and propagation delay. Nexperia variants feature lower quiescent current (4 µA vs. 10 µA) and are available in alternative packages (8-VSSOP and 8-TSSOP). Manufacturer selection depends on supply chain availability and package requirements.

Q: Are the different package options (8-LSSOP, 8-VSSOP, 8-TSSOP) mechanically interchangeable?

A: No. While all three packages are surface mount 8-pin configurations, they have different footprints and pin spacing. PCB layout and solder reflow profiles must be adjusted for each package type. Verify footprint compatibility before design implementation.

Q: Can I use 74LVC2G08DP-Q100H in non-automotive applications?

A: Yes. The automotive-qualified variant (AEC-Q100) meets all industrial specifications and can be used in standard applications. It provides additional reliability assurance at no functional cost.

Q: Do all substitutes maintain the same operating temperature range?

A: Yes. All substitute parts operate across the identical temperature range of -40°C to 125°C, ensuring thermal compatibility with the original design.

Q: What is the significance of the lower quiescent current in Nexperia parts?

A: Nexperia variants specify 4 µA maximum quiescent current compared to 10 µA for Texas Instruments parts. This represents improved power efficiency in standby conditions and may be advantageous for battery-powered or low-power applications.

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