74LVC2G125DCUTE4 Equivalent & Substitute Parts

Part Overview

The 74LVC2G125DCUTE4 is a non-inverting buffer IC from Texas Instruments' 74LVC logic series, featuring 2 elements with 1 bit per element and 3-state output capability. This device operates across a supply voltage range of 1.65V to 5.5V and is housed in an 8-VSSOP surface mount package. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain identical electrical and mechanical specifications for continued system support and new design implementations.

Key Parameters

Parameter	Specification
Manufacturer	Texas Instruments
Logic Type	Buffer, Non-Inverting
Number of Elements	2
Number of Bits per Element	1
Output Type	3-State
Current - Output High, Low	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-VFSOP (0.091", 2.30mm Width)
Supplier Device Package	8-VSSOP
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the 74LVC2G125DCUTE4 is determined by strict equivalence across the following critical parameters: logic type (non-inverting buffer), number of elements (2), bits per element (1), output configuration (3-state), output current capability (32mA high and low), supply voltage range (1.65V to 5.5V), operating temperature range (-40°C to 125°C), package type (8-VFSOP), and compliance certifications (ROHS3, REACH Unaffected, MSL 1).

All substitute parts listed maintain identical electrical performance and mechanical compatibility. Variations exist only in packaging format (Cut Tape, Tape & Reel, or standard packaging) and product status (Active versus Discontinued at DiGi Electronics). The base product numbers 74LVC2G125, 74LVC2G126, and 74LVC2G241 represent functionally equivalent device families within the 74LVC series that satisfy these substitution criteria.

Parameter Comparison

Part Number	Manufacturer	Base Product	Logic Type	Elements	Output Type	Current (mA)	Supply Voltage	Temp Range	Package	Product Status	Inventory (Pcs)
74LVC2G125DCUTE4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Obsolete	790
74LVC2G125DCURG4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Discontinued at DiGi Electronics	2647
74LVC2G125DCUTG4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Discontinued at DiGi Electronics	1196
74LVC2G241DCUTG4	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Discontinued at DiGi Electronics	996
SN74LVC2G125DCU3	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	9789
SN74LVC2G125DCUR	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	3144
SN74LVC2G125DCUT	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	4283
SN74LVC2G126DCUR	Texas Instruments	74LVC2G126	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	2905
SN74LVC2G126DCUT	Texas Instruments	74LVC2G126	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	36348
SN74LVC2G241DCUR	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	1137
SN74LVC2G241DCUT	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2	3-State	32/32	1.65V ~ 5.5V	-40°C ~ 125°C	8-VSSOP	Active	1663

Engineering Selection Recommendations

For new designs and obsolescence mitigation, select from active product status parts. The SN74LVC2G125DCU3 and SN74LVC2G125DCUT variants offer the highest inventory availability (9789 and 4283 units respectively) and maintain full ROHS3 compliance and REACH unaffected status. These parts are direct functional equivalents of the 74LVC2G125DCUTE4 with identical electrical specifications and 8-VSSOP packaging.

The SN74LVC2G126DCUT variant provides the largest available inventory (36348 units) among active parts and is functionally equivalent across all critical parameters. The SN74LVC2G241 series variants (SN74LVC2G241DCUR and SN74LVC2G241DCUT) are also active alternatives with equivalent performance characteristics.

Packaging format selection depends on procurement requirements: Cut Tape (CT) & Digi-Reel format for component-level sourcing, or Tape & Reel (TR) format for automated assembly operations. All listed substitutes maintain MSL 1 (Unlimited) moisture sensitivity classification and are suitable for standard storage and handling conditions.

Frequently Asked Questions (FAQ)

Q: Can the 74LVC2G125DCUTE4 be directly replaced with SN74LVC2G125DCU3?

A: Yes. Both parts are functionally identical non-inverting buffers with 2 elements, 3-state output, 32mA output current, 1.65V to 5.5V supply voltage range, and -40°C to 125°C operating temperature. The SN74LVC2G125DCU3 is active product status with higher inventory availability.

Q: What is the difference between 74LVC2G125 and 74LVC2G126 variants?

A: Both are non-inverting buffers with identical electrical specifications and 8-VSSOP packaging. The substitution is valid based on the provided parameters, which show equivalent logic type, element count, output configuration, current ratings, voltage range, and temperature specifications.

Q: Does packaging format (Cut Tape vs. Tape & Reel) affect electrical compatibility?

A: No. Packaging format differences (CT & Digi-Reel versus TR) are procurement and assembly considerations only. Electrical performance and mechanical fit in the 8-VSSOP package remain identical across all variants.

Q: Are all listed substitutes ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, consistent with the original 74LVC2G125DCUTE4 specification.

Q: Which substitute part has the best availability?

A: SN74LVC2G126DCUT offers the highest inventory at 36348 units. SN74LVC2G125DCU3 provides the second-highest availability at 9789 units for the 74LVC2G125 base product family.

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