SN74LVC2G126YEAR Equivalent & Substitute Parts

Part Overview

The SN74LVC2G126YEAR is a non-inverting buffer logic IC manufactured by Texas Instruments, featuring 2 elements with 1 bit per element and 3-state output capability. This component operates across a wide voltage supply range of 1.65V to 5.5V and is housed in an 8-XFBGA, DSBGA package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing design support and production continuity.

Key Parameters

Parameter	Value
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-XFBGA, DSBGA
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the SN74LVC2G126YEAR are selected based on strict electrical and mechanical parameter alignment. The following criteria determine substitution eligibility:

Critical Matching 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-XFBGA, DSBGA
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed below meet these exact specifications and are manufactured by Texas Instruments within the 74LVC logic series.

Parameter Comparison

Parameter	SN74LVC2G126YEAR	SN74LVC2G126YZPR	SN74LVC2G125YZPR	SN74LVC2G241YZPR
Manufacturer	Texas Instruments	Texas Instruments	Texas Instruments	Texas Instruments
Logic Type	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting	Buffer, Non-Inverting
Number of Elements	2	2	2	2
Number of Bits per Element	1	1	1	1
Output Type	3-State	3-State	3-State	3-State
Current - Output High, Low	32mA, 32mA	32mA, 32mA	32mA, 32mA	32mA, 32mA
Voltage - Supply	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V	1.65V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)	-40°C ~ 125°C (TA)
Package / Case	8-XFBGA, DSBGA	8-XFBGA, DSBGA	8-XFBGA, DSBGA	8-XFBGA, DSBGA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Product Status	Obsolete	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

SN74LVC2G126YZPR is the direct functional equivalent of the obsolete SN74LVC2G126YEAR. Both parts share identical base product numbers and specifications. SN74LVC2G126YZPR carries Active product status and is available in Tape & Reel packaging, making it the primary replacement option.

SN74LVC2G125YZPR and SN74LVC2G241YZPR are parametric equivalents that meet all electrical and mechanical requirements specified for the original part. These alternatives maintain identical logic functionality, output characteristics, voltage supply range, and thermal operating conditions. All three substitute parts are ROHS3 compliant and carry MSL Level 1 certification.

Selection among these three active alternatives should be based on availability, packaging format requirements, and supply chain considerations, as all three meet the complete technical specification set of the obsolete SN74LVC2G126YEAR.

Frequently Asked Questions (FAQ)

Q: Can SN74LVC2G126YZPR directly replace SN74LVC2G126YEAR in existing designs?

A: Yes. SN74LVC2G126YZPR is functionally identical to SN74LVC2G126YEAR, sharing the same base product number, logic type, element count, bit configuration, output type, current ratings, voltage supply range, operating temperature range, package type, and compliance certifications. The primary difference is product status: SN74LVC2G126YZPR is active while SN74LVC2G126YEAR is obsolete.

Q: What is the difference between SN74LVC2G126YZPR, SN74LVC2G125YZPR, and SN74LVC2G241YZPR?

A: All three parts are parametric equivalents with identical electrical specifications and package types. They differ only in base product number designation. Each maintains the same 2-element, 1-bit-per-element non-inverting buffer configuration with 3-state output, 32mA output current, 1.65V to 5.5V supply voltage range, and -40°C to 125°C operating temperature range.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in Tape & Reel (TR) packaging with 8-DSBGA supplier device package designation. The original SN74LVC2G126YEAR was available in bulk form. Tape & Reel packaging is standard for active production parts and is suitable for automated assembly processes.

Q: Do all substitute parts meet the same compliance requirements as the original part?

A: Yes. SN74LVC2G126YZPR, SN74LVC2G125YZPR, and SN74LVC2G241YZPR are all ROHS3 compliant, REACH unaffected, and carry MSL Level 1 (Unlimited) moisture sensitivity certification, matching the compliance profile of SN74LVC2G126YEAR.

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

A: SN74LVC2G126YZPR is the recommended choice for new designs as it maintains the same base product number as the original part. SN74LVC2G125YZPR and SN74LVC2G241YZPR are valid alternatives if supply or cost considerations require alternative sourcing.

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