SN74LVC2G08DCTRG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G08DCTRG4 is a dual 2-input AND gate logic IC manufactured by Texas Instruments in SM8 surface mount packaging. This part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications. The 74LVC2G08 series provides low-voltage CMOS logic functionality suitable for digital signal processing and control circuits operating across 1.65V to 5.5V supply ranges.

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 (TI); 4 µA (Nexperia)
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	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the SN74LVC2G08DCTRG4 is determined by the following critical parameters:

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), output current specifications (32mA high/low), and temperature range (-40°C ~ 125°C).

Compliance Requirements: All substitutes meet ROHS3 compliance, MSL Level 1, and REACH unaffected status, ensuring regulatory alignment.

Packaging Variations: Substitutes are available in three distinct surface mount packages: SM8 (8-LSSOP/8-MSOP 0.110" width), 8-VSSOP (0.091" width), and 8-TSSOP (0.118" width). Package selection depends on PCB layout constraints and footprint compatibility.

Manufacturer Options: Texas Instruments and Nexperia USA Inc. both produce 74LVC2G08 variants with identical functional and electrical parameters.

Parameter Comparison

Part Number	Manufacturer	Product Status	Package Type	Quiescent Current (Max)	Input Logic Level - High	Packaging Format
SN74LVC2G08DCTRG4	Texas Instruments	Discontinued at DiGi Electronics	8-LSSOP, 8-MSOP (0.110")	10 µA	1.7V ~ 2V	Digi-Reel
SN74LVC2G08DCTR	Texas Instruments	Active	8-LSSOP, 8-MSOP (0.110")	10 µA	1.7V ~ 2V	Cut Tape & Digi-Reel
SN74LVC2G08DCTRE4	Texas Instruments	Discontinued at DiGi Electronics	8-LSSOP, 8-MSOP (0.110")	10 µA	1.7V ~ 2V	Cut Tape & Digi-Reel
74LVC2G08DC,125	Nexperia USA Inc.	Active	8-VFSOP (0.091")	4 µA	0.95V ~ 3.4V	Tape & Reel
74LVC2G08DP,125	Nexperia USA Inc.	Active	8-TSSOP, 8-MSOP (0.118")	4 µA	0.95V ~ 3.4V	Cut Tape & Digi-Reel
74LVC2G08DP-Q100H	Nexperia USA Inc.	Active	8-TSSOP, 8-MSOP (0.118")	4 µA	0.95V ~ 3.4V	Tape & Reel

Engineering Selection Recommendations

Primary Substitute (Identical Package): SN74LVC2G08DCTR is the direct functional and package equivalent with active product status. This part maintains the same SM8 package footprint and Texas Instruments manufacturing lineage, requiring no PCB redesign.

Alternative Substitutes (Package Variants): Nexperia 74LVC2G08 variants (DC,125; DP,125; DP-Q100H) provide functional equivalence with different package geometries. These require PCB layout evaluation due to package width variations (0.091" to 0.118" versus original 0.110").

Automotive Grade Option: The 74LVC2G08DP-Q100H includes AEC-Q100 automotive qualification and is suitable for applications requiring automotive-grade components.

Supply Chain Consideration: All recommended substitutes maintain active product status, ensuring long-term availability and supply chain stability compared to the discontinued SN74LVC2G08DCTRG4.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G08DCTR directly replace SN74LVC2G08DCTRG4 without PCB modification?

A: Yes. Both parts use identical SM8 packaging (8-LSSOP, 8-MSOP 0.110" width), electrical specifications, and pin configuration. No PCB redesign is required.

Q: What is the difference between Texas Instruments and Nexperia 74LVC2G08 variants?

A: Both manufacturers produce functionally equivalent parts with identical logic operation, propagation delay, and supply voltage range. Nexperia variants feature lower quiescent current (4 µA versus 10 µA) and wider input logic level thresholds (0.95V ~ 3.4V versus 1.7V ~ 2V). Package options differ between manufacturers.

Q: Are Nexperia 74LVC2G08 parts pin-compatible with the original SN74LVC2G08DCTRG4?

A: All 74LVC2G08 variants maintain identical pin configuration and logic function. However, package physical dimensions vary: Nexperia 8-VSSOP (0.091" width) and 8-TSSOP (0.118" width) differ from the original SM8 (0.110" width). Footprint compatibility must be verified before substitution.

Q: Which substitute should be selected for new production designs?

A: SN74LVC2G08DCTR is recommended for designs requiring SM8 package compatibility. For new designs without package constraints, Nexperia variants offer lower power consumption and active product status with extended availability.

Q: Is the 74LVC2G08DP-Q100H suitable for automotive applications?

A: Yes. The 74LVC2G08DP-Q100H carries AEC-Q100 automotive qualification and is suitable for automotive-grade applications requiring certified components.

Q: What packaging formats are available for each substitute?

A: SN74LVC2G08DCTR is available in Cut Tape and Digi-Reel formats. Nexperia 74LVC2G08DC,125 is supplied in Tape & Reel. Nexperia 74LVC2G08DP,125 is available in Cut Tape and Digi-Reel. Nexperia 74LVC2G08DP-Q100H is supplied in Tape & Reel format.

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