SN74LVC2G32DCTRG4 Equivalent & Substitute Parts

Part Overview

The SN74LVC2G32DCTRG4 is a dual 2-input OR gate logic IC manufactured by Texas Instruments in SM8 surface mount packaging. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent and substitute parts for ongoing production and maintenance applications. The part operates across a wide supply voltage range of 1.65V to 5.5V and is suitable for low-power digital logic applications requiring OR gate functionality.

Key Parameters

Parameter	Value
Logic Type	OR Gate
Number of Circuits	2
Number of Inputs	2
Voltage - Supply	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA
Current - Output High, Low	32mA, 32mA
Input Logic Level - Low	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	3.2ns @ 5V, 50pF
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 SN74LVC2G32DCTRG4 is determined by strict equivalence across the following critical parameters:

Logic Type: OR Gate with 2 channels and 2 inputs per channel
Voltage Supply Range: 1.65V ~ 5.5V
Output Current Capability: 32mA high and low
Propagation Delay: 3.2ns @ 5V, 50pF
Operating Temperature Range: -40°C ~ 125°C
Surface Mount Configuration
RoHS3 Compliance and MSL Level 1

Substitute parts must maintain identical functional specifications and electrical characteristics. Packaging variations (SM8, 8-LSSOP, 8-MSOP, 8-TSSOP) are permitted provided mechanical compatibility with the application is verified.

Parameter Comparison

Parameter	SN74LVC2G32DCTRG4 (Main)	SN74LVC2G32DCTR (Substitute)	74LVC2G32DP-Q100H (Substitute)
Manufacturer	Texas Instruments	Texas Instruments	Nexperia USA Inc.
Product Status	Discontinued at DiGi Electronics	Active	Active
Logic Type	OR Gate	OR Gate	OR Gate
Number of Circuits	2	2	2
Number of Inputs	2	2	2
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Current - Quiescent (Max)	10 µA	10 µA	4 µA
Current - Output High, Low	32mA, 32mA	32mA, 32mA	32mA, 32mA
Input Logic Level - Low	0.7V ~ 0.8V	0.7V ~ 0.8V	0.7V ~ 0.8V
Input Logic Level - High	1.7V ~ 2V	1.7V ~ 2V	1.7V ~ 2V
Max Propagation Delay @ V, Max CL	3.2ns @ 5V, 50pF	3.2ns @ 5V, 50pF	3.2ns @ 5V, 50pF
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Supplier Device Package	SM8	SM8	8-TSSOP
Package / Case	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)	8-LSSOP, 8-MSOP (0.110", 2.80mm Width)	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

SN74LVC2G32DCTR is the primary parametric equivalent, manufactured by Texas Instruments with active product status. This part maintains identical electrical specifications and packaging configuration to the discontinued SN74LVC2G32DCTRG4, differing only in packaging format (Cut Tape & Digi-Reel versus original specification).

74LVC2G32DP-Q100H is a manufacturer-recommended substitute produced by Nexperia USA Inc. with active product status. This part meets all functional and electrical requirements with the following distinctions: quiescent current is reduced to 4 µA (versus 10 µA), automotive grade qualification per AEC-Q100 is included, and package configuration is 8-TSSOP with slightly different physical dimensions (0.118" versus 0.110" width). Both parts maintain ROHS3 compliance and MSL Level 1 rating.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G32DCTR be used as a direct replacement for SN74LVC2G32DCTRG4?

A: Yes. Both parts are manufactured by Texas Instruments and share identical electrical specifications, logic functionality, and supply voltage range. The primary difference is packaging format; SN74LVC2G32DCTR is supplied in Cut Tape & Digi-Reel format. Verify mechanical compatibility with your assembly process.

Q: What is the difference between the 74LVC2G32DP-Q100H and the original part?

A: The 74LVC2G32DP-Q100H is manufactured by Nexperia USA Inc. and includes automotive-grade qualification per AEC-Q100. Quiescent current consumption is lower at 4 µA compared to 10 µA. Package configuration is 8-TSSOP with physical dimensions of 0.118" width versus 0.110" for the original. All other electrical parameters remain equivalent.

Q: Are there packaging compatibility concerns when substituting these parts?

A: Yes. The original SN74LVC2G32DCTRG4 uses SM8 packaging (8-LSSOP, 8-MSOP at 0.110" width). SN74LVC2G32DCTR maintains this configuration. The 74LVC2G32DP-Q100H uses 8-TSSOP packaging at 0.118" width. Verify PCB footprint compatibility and reflow profile suitability before implementation.

Q: Do all substitute parts meet RoHS and REACH compliance requirements?

A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the original SN74LVC2G32DCTRG4.

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

A: Selection depends on application requirements. For direct replacement with identical packaging, use SN74LVC2G32DCTR. For automotive applications requiring lower quiescent current and AEC-Q100 qualification, use 74LVC2G32DP-Q100H, provided 8-TSSOP packaging is compatible with your PCB design.

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