74LVC2G125DCURE4 Equivalent & Substitute Parts

Part Overview

The 74LVC2G125DCURE4 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-VFSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	Value
Manufacturer	Texas Instruments
Series	74LVC
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)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74LVC2G125DCURE4 are qualified based on the following criteria:

Electrical Parameters (Must Match):

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)

Mechanical Parameters (Must Match):

Mounting Type: Surface Mount
Package / Case: 8-VFSOP (0.091", 2.30mm Width)
Supplier Device Package: 8-VSSOP

Compliance Parameters (Must Match):

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitute parts differ only in packaging format (Cut Tape, Tape & Reel, or Digi-Reel) and product status (Active vs. Discontinued). Base product numbers may vary (74LVC2G125, 74LVC2G126, 74LVC2G241) while maintaining identical electrical and mechanical specifications.

Parameter Comparison

Part Number	Manufacturer	Base Product	Logic Type	Elements	Output Type	Supply Voltage	Package	Product Status	Inventory (Pcs)
74LVC2G125DCURE4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Discontinued	1116
74LVC2G125DCURG4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Discontinued	2647
74LVC2G125DCUTG4	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Discontinued	1196
74LVC2G241DCUTG4	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Discontinued	996
SN74LVC2G125DCU3	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	9789
SN74LVC2G125DCUR	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	3144
SN74LVC2G125DCUT	Texas Instruments	74LVC2G125	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	4283
SN74LVC2G126DCUR	Texas Instruments	74LVC2G126	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	2905
SN74LVC2G126DCUT	Texas Instruments	74LVC2G126	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	36348
SN74LVC2G241DCUR	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	1137
SN74LVC2G241DCUT	Texas Instruments	74LVC2G241	Buffer, Non-Inverting	2 x 1-bit	3-State	1.65V ~ 5.5V	8-VFSOP	Active	1663

Engineering Selection Recommendations

For applications requiring the 74LVC2G125DCURE4, prioritize active product status parts to ensure long-term availability and manufacturing support. The SN74LVC2G125DCU3, SN74LVC2G125DCUR, and SN74LVC2G125DCUT variants maintain identical electrical and mechanical specifications while offering active product status from Texas Instruments.

Parts with the SN prefix designation represent current production variants. The 74LVC2G126 and 74LVC2G241 base products are functionally equivalent alternatives with active status and higher inventory levels. All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute 74LVC2G125DCURE4 with SN74LVC2G125DCU3?

A: Yes. Both parts share identical electrical parameters (2-element non-inverting buffer, 3-state output, 1.65V–5.5V supply), mechanical specifications (8-VFSOP package), and compliance ratings (ROHS3, MSL 1). The primary difference is product status: SN74LVC2G125DCU3 is active, while 74LVC2G125DCURE4 is discontinued.

Q: What is the difference between packaging formats (CT, TR, Digi-Reel)?

A: Packaging format affects delivery and handling only. Cut Tape (CT) & Digi-Reel provides individual component access. Tape & Reel (TR) supplies components in continuous tape format for automated assembly. All formats contain electrically and mechanically identical components in the 8-VFSOP package.

Q: Are 74LVC2G126 and 74LVC2G241 interchangeable with 74LVC2G125?

A: Yes, for applications requiring the specified electrical and mechanical parameters. All three base products (74LVC2G125, 74LVC2G126, 74LVC2G241) deliver identical 2-element non-inverting buffers with 3-state output in 8-VFSOP packages with matching supply voltage and operating temperature ranges.

Q: Does the SN prefix affect compatibility?

A: No. The SN prefix indicates Texas Instruments' current production designation. Parts with and without the SN prefix are electrically and mechanically equivalent. The SN variants represent active product lines with ongoing manufacturing support.

Q: What compliance certifications apply to all substitute parts?

A: All listed substitute parts maintain ROHS3 compliance and Moisture Sensitivity Level 1 (Unlimited). REACH status is unaffected across all variants. These certifications ensure compatibility with standard industrial and commercial manufacturing processes.

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