74LVC2T45GD,125 Equivalent & Substitute Parts

Part Overview

The 74LVC2T45GD,125 is a bidirectional voltage level translator manufactured by Nexperia USA Inc., designed for single-circuit, dual-channel signal translation applications. This device operates across supply voltages from 1.2 V to 5.5 V on both VCCA and VCCB rails, supporting data rates up to 420 Mbps with tri-state, non-inverted output configuration. The part is currently classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements.

Key Parameters

Parameter	Specification
Manufacturer Part Number	74LVC2T45GD,125
Manufacturer	Nexperia USA Inc.
Series	74LVC
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	1.2 V ~ 5.5 V
Voltage - VCCB	1.2 V ~ 5.5 V
Output Type	Tri-State, Non-Inverted
Data Rate	420 Mbps
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-XFDFN
Supplier Device Package	8-XSON (2x3)
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74LVC2T45GD,125 is determined by strict equivalence across the following critical parameters:

Translator Type: Voltage Level (bidirectional operation required)
Channel Configuration: 1 Circuit, 2 Channels per Circuit
Supply Voltage Range: VCCA and VCCB both 1.2 V ~ 5.5 V
Output Characteristics: Tri-State, Non-Inverted
Data Rate: 420 Mbps minimum
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package Type: 8-XFDFN (mechanical compatibility)

Substitute parts are grouped into two categories: (1) direct package variants within the 74LVC2T45 base product family, and (2) functionally equivalent parts from the 74LVCH2T45 series. All substitutes maintain identical electrical specifications and compliance certifications. Package variants (8-XSON with different dimensions) are mechanically compatible with standard 8-XFDFN footprints used in production.

Parameter Comparison

Part Number	Manufacturer	Series	Package	Supplier Device Package	VCCA / VCCB	Data Rate	Output Type	Operating Temp	Product Status	RoHS Status
74LVC2T45GD,125	Nexperia USA Inc.	74LVC	8-XFDFN	8-XSON (2x3)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Obsolete	ROHS3 Compliant
74LVC2T45DC,125	Nexperia USA Inc.	74LVC	8-VFSOP (0.091", 2.30mm Width)	8-VSSOP	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVC2T45GF,115	Nexperia USA Inc.	74LVC	8-XFDFN	8-XSON (1.35x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Obsolete	ROHS3 Compliant
74LVC2T45GN,115	Nexperia USA Inc.	74LVC	8-XFDFN	8-XSON (1.2x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVC2T45GS,115	NXP USA Inc.	74LVC	8-XFDFN	8-XSON (1.35x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	Not specified
74LVC2T45GS-Q100X	Nexperia USA Inc.	74AVC	8-XFDFN	8-XSON (1.35x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVC2T45GT,115	Nexperia USA Inc.	74LVC	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVC2T45GT-Q100X	Nexperia USA Inc.	74AVC	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVCH2T45GN,115	NXP Semiconductors	74LVCH	8-XFDFN	8-XSON (1.2x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	Not specified
74LVCH2T45GS,115	Nexperia USA Inc.	74LVCH	8-XFDFN	8-XSON (1.35x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant
74LVCH2T45GT,115	Nexperia USA Inc.	74LVCH	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	1.2 V ~ 5.5 V	420 Mbps	Tri-State, Non-Inverted	-40°C ~ 125°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

Primary Substitutes (74LVC2T45 Series - Active Status)

For direct replacement of the obsolete 74LVC2T45GD,125, the following active-status parts from the 74LVC2T45 family are recommended:

74LVC2T45GN,115: Active product status with identical electrical specifications and 8-XFDFN package compatibility. Supplied in Tape & Reel format.
74LVC2T45GT,115: Active product status with highest inventory availability (89,166 units). Maintains all electrical parameters and package compatibility.
74LVC2T45GS-Q100X: Active product status with automotive-grade qualification (AEC-Q100) and highest inventory (79,675 units). Suitable for applications requiring automotive-level reliability.

Secondary Substitutes (74LVCH2T45 Series - Active Status)

The 74LVCH2T45 series provides functionally equivalent alternatives with active product status:

74LVCH2T45GT,115: Highest inventory availability (119,679 units) among all substitutes. Maintains identical electrical specifications and 8-XFDFN package compatibility.
74LVCH2T45GS,115: Active status with ROHS3 compliance. Suitable for applications with standard packaging requirements.

Alternative Package Option (Different Footprint)

74LVC2T45DC,125: Active status with 8-VSSOP package (8-VFSOP footprint). Requires PCB layout modification but offers active product status and full compliance.

All recommended substitutes maintain ROHS3 compliance, MSL Level 1 (unlimited moisture sensitivity), and identical operating temperature ranges (-40°C ~ 125°C). Selection should prioritize active-status parts with highest inventory availability for supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can 74LVC2T45GN,115 directly replace 74LVC2T45GD,125 without PCB modification?

A: Yes. Both parts use the 8-XFDFN package with identical pinout and electrical specifications. The 8-XSON device package variants (2x3 vs. 1.2x1 dimensions) are mechanically compatible with standard 8-XFDFN footprints. No PCB layout changes are required.

Q: What is the difference between 74LVC2T45GT,115 and 74LVC2T45GS-Q100X?

A: Both parts are electrically identical with 420 Mbps data rate and 1.2 V ~ 5.5 V supply range. The primary difference is qualification level: 74LVC2T45GS-Q100X carries AEC-Q100 automotive-grade qualification, making it suitable for automotive applications. 74LVC2T45GT,115 is standard industrial grade. Both are active products with ROHS3 compliance.

Q: Why is 74LVC2T45DC,125 listed as a substitute if it uses a different package?

A: 74LVC2T45DC,125 is an active-status alternative with identical electrical specifications (1.2 V ~ 5.5 V, 420 Mbps, bidirectional, tri-state output). However, it uses 8-VSSOP package instead of 8-XFDFN, requiring PCB footprint redesign. This option is listed for applications where package change is acceptable and active product status is prioritized.

Q: Are 74LVC2T45 and 74LVCH2T45 series interchangeable?

A: Yes, within the specified electrical parameters. Both series maintain identical voltage ranges (1.2 V ~ 5.5 V), data rates (420 Mbps), channel configuration (1 circuit, 2 channels), and output characteristics (tri-state, non-inverted). The 74LVCH designation indicates a variant within the same functional family. All parts listed are mechanically compatible with 8-XFDFN footprints.

Q: What is the significance of the "-Q100X" suffix in part numbers like 74LVC2T45GS-Q100X?

A: The "-Q100X" suffix indicates AEC-Q100 automotive qualification. This certification ensures the part meets automotive industry reliability and testing standards. Parts with this designation are suitable for automotive applications requiring higher reliability assurance. Non-Q100X variants are suitable for standard industrial and consumer applications.

Q: Which substitute offers the best inventory availability?

A: 74LVCH2T45GT,115 offers the highest inventory (119,679 units), followed by 74LVC2T45GS-Q100X (79,675 units) and 74LVC2T45GT,115 (89,166 units). For supply chain continuity, these three options provide the most reliable sourcing.

Q: Are all listed substitutes ROHS3 compliant?

A: Most substitutes are explicitly ROHS3 compliant. 74LVC2T45GS,115 and 74LVCH2T45GN,115 do not have RoHS status specified in available data. For applications requiring confirmed ROHS3 compliance, select from parts with explicit ROHS3 Compliant designation.

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