74LVC2G125DCTRG4 Equivalent & Substitute Parts

Part Overview

The 74LVC2G125DCTRG4 is a non-inverting buffer logic integrated circuit manufactured by Texas Instruments, part of the 74LVC series. This device features 2 elements with 1 bit per element and 3-state output capability, housed in an 8-LSSOP/8-MSOP surface mount package. The part is currently discontinued at DiGi Electronics, making equivalent and 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-LSSOP, 8-MSOP (0.110", 2.80mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74LVC2G125DCTRG4 are determined by strict equivalence across the following critical parameters:

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)
Package / Case: 8-LSSOP, 8-MSOP (0.110", 2.80mm Width)
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

Substitutes are grouped by packaging format (Cut Tape vs. Tape & Reel) and product status (Active vs. Discontinued). Base product number variations (74LVC2G125 vs. 74LVC2G126 vs. 74LVC2G241) represent different device variants within the same functional and electrical specification envelope.

Parameter Comparison

Part Number	Manufacturer	Series	Logic Type	Elements	Bits/Element	Output Type	Current (mA)	Voltage (V)	Temp (°C)	Package	Status	Inventory (Pcs)
74LVC2G125DCTRG4	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Discontinued	2438
74LVC2G125DCTRE4	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Discontinued	3369
74LVC2G125DCTRE6	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Active	6807
74LVC2G126DCTRG4	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Discontinued	2000
SN74LVC2G125DCT3	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Active	4200
SN74LVC2G125DCTR	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Active	35200
SN74LVC2G126DCTR	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Active	4141
SN74LVC2G241DCTR	Texas Instruments	74LVC	Buffer, Non-Inverting	2	1	3-State	32, 32	1.65 ~ 5.5	-40 ~ 125	8-LSSOP, 8-MSOP	Active	3536

Engineering Selection Recommendations

For applications requiring the 74LVC2G125DCTRG4, the following selection criteria apply based on product status and availability:

Active Status Parts (Recommended for New Designs):

SN74LVC2G125DCTR: 35,200 units in stock, Cut Tape packaging, highest inventory availability
SN74LVC2G125DCT3: 4,200 units in stock, Tape & Reel packaging
74LVC2G125DCTRE6: 6,807 units in stock, Tape & Reel packaging
SN74LVC2G126DCTR: 4,141 units in stock, Cut Tape packaging
SN74LVC2G241DCTR: 3,536 units in stock, Cut Tape packaging

Discontinued Status Parts (Existing Stock Only):

74LVC2G125DCTRE4: 3,369 units in stock
74LVC2G126DCTRG4: 2,000 units in stock

All substitute parts maintain ROHS3 compliance, MSL Level 1 rating, and identical electrical specifications. Selection between Cut Tape and Tape & Reel packaging depends on procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G125DCTR directly replace 74LVC2G125DCTRG4?

A: Yes. Both parts share identical electrical specifications, logic function, output characteristics, voltage supply range, operating temperature range, and package dimensions. The difference in part number prefix (SN vs. no prefix) and packaging format (Cut Tape vs. Tape & Reel) does not affect functional compatibility.

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

A: Both variants maintain identical electrical and functional parameters specified in this document. The base product number difference reflects internal device variant designation by Texas Instruments but does not alter the substitution criteria or compatibility within the 74LVC series buffer family.

Q: Is 74LVC2G125DCTRE6 suitable for new production designs?

A: Yes. 74LVC2G125DCTRE6 carries Active product status and 6,807 units in stock, making it suitable for new production designs. It meets all electrical and compliance requirements equivalent to the discontinued 74LVC2G125DCTRG4.

Q: What packaging formats are available for substitutes?

A: Substitutes are available in two packaging formats: Cut Tape (CT) & Digi-Reel® and Tape & Reel (TR). Both formats contain identical die and electrical performance. Selection depends on assembly line equipment and procurement volume requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity rating, matching the original 74LVC2G125DCTRG4 specifications.

Q: Which substitute has the highest inventory availability?

A: SN74LVC2G125DCTR has the highest inventory with 35,200 units in stock and Active product status, making it the primary recommendation for immediate procurement and ongoing supply chain continuity.

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