74AVC2T45GD,125 Equivalent & Substitute Parts

Part Overview

The 74AVC2T45GD,125 is a voltage level translator IC from Nexperia USA Inc., designed for bidirectional signal translation between different voltage domains. This device features 1 circuit with 2 channels operating at 500 Mbps, supporting voltage ranges from 0.8 V to 3.6 V on both VCCA and VCCB. The part is currently classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	74AVC2T45GD,125
Manufacturer	Nexperia USA Inc.
Series	74AVC
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	2
Voltage - VCCA	0.8 V ~ 3.6 V
Voltage - VCCB	0.8 V ~ 3.6 V
Output Type	Tri-State, Non-Inverted
Data Rate	500 Mbps
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-XFDFN
Product Status	Obsolete
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74AVC2T45GD,125 is determined by strict equivalence across the following critical parameters:

Translator Type: Voltage Level
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 2
Voltage Range VCCA: 0.8 V ~ 3.6 V
Voltage Range VCCB: 0.8 V ~ 3.6 V
Output Type: Tri-State, Non-Inverted
Data Rate: 500 Mbps
Operating Temperature: -40°C ~ 125°C
Mounting Type: Surface Mount
Package / Case: 8-XFDFN

Substitute parts are grouped into two categories: direct packaging variants of the 74AVC2T45 base product and equivalent variants from the 74AVCH series. All substitutes maintain identical electrical specifications and functional performance while differing in packaging format, supplier device package designation, or product status classification.

Parameter Comparison

Part Number	Manufacturer	Series	Translator Type	Channels	VCCA Range	VCCB Range	Data Rate	Temp Range	Package	Product Status	Packaging Type
74AVC2T45GD,125	Nexperia USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Obsolete	Bulk
74AVC2T45DC,125	Nexperia USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-VFSOP	Active	Tape & Reel
74AVC2T45GF,115	NXP USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Bulk
74AVC2T45GN,115	NXP USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Bulk
74AVC2T45GS,115	NXP USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Bulk
74AVC2T45GT,115	Nexperia USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Tape & Reel
74AVC2T45GT-Q100X	Nexperia USA Inc.	74AVC	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Tape & Reel
74AVCH2T45GF,115	Nexperia USA Inc.	74AVCH	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Obsolete	Cut Tape & Digi-Reel
74AVCH2T45GN,115	NXP Semiconductors	74AVCH	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Bulk
74AVCH2T45GS,115	NXP USA Inc.	74AVCH	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Bulk
74AVCH2T45GT,115	Nexperia USA Inc.	74AVCH	Voltage Level	2	0.8-3.6 V	0.8-3.6 V	500 Mbps	-40 to 125°C	8-XFDFN	Active	Tape & Reel

Engineering Selection Recommendations

For applications currently using the obsolete 74AVC2T45GD,125, the following selection criteria apply:

Active 74AVC Series Alternatives: The 74AVC2T45GF,115, 74AVC2T45GN,115, 74AVC2T45GS,115, and 74AVC2T45GT,115 are direct functional equivalents with active product status. These parts maintain identical electrical specifications and 8-XFDFN packaging. Selection between these variants depends on packaging format requirements: bulk packaging for 74AVC2T45GF,115, 74AVC2T45GN,115, and 74AVC2T45GS,115; tape and reel for 74AVC2T45GT,115.

Automotive Grade Option: The 74AVC2T45GT-Q100X is qualified to AEC-Q100 automotive standards and maintains active status, suitable for automotive applications requiring formal qualification documentation.

Alternative Package Format: The 74AVC2T45DC,125 provides an active alternative with 8-VFSOP packaging in tape and reel format, accommodating designs with different PCB layout requirements while maintaining electrical equivalence.

74AVCH Series Variants: The 74AVCH2T45GN,115, 74AVCH2T45GS,115, and 74AVCH2T45GT,115 are parametrically equivalent alternatives from the 74AVCH series with active product status. The 74AVCH2T45GT,115 offers the highest inventory availability at 176,914 pieces.

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and identical operating temperature ranges. Selection should prioritize active product status variants to ensure long-term supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can 74AVC2T45GD,125 be directly replaced with 74AVC2T45GF,115?

A: Yes. Both parts share identical electrical specifications: 1 circuit, 2 bidirectional channels, 500 Mbps data rate, 0.8-3.6 V operation on both VCCA and VCCB, tri-state non-inverted output, and -40°C to 125°C operating temperature. The primary difference is packaging format and product status; 74AVC2T45GF,115 is active while 74AVC2T45GD,125 is obsolete.

Q: What is the difference between 74AVC2T45GT,115 and 74AVC2T45GT-Q100X?

A: Both parts are electrically and functionally identical with matching 8-XFDFN packaging and tape and reel format. The 74AVC2T45GT-Q100X carries AEC-Q100 automotive qualification, making it suitable for automotive applications requiring formal qualification documentation. Standard industrial applications can use either variant.

Q: Can I use 74AVC2T45DC,125 as a substitute for 74AVC2T45GD,125?

A: Yes, with package consideration. The 74AVC2T45DC,125 is electrically equivalent but uses 8-VFSOP packaging instead of 8-XFDFN. PCB layout and footprint compatibility must be verified before substitution. This part is active and available in tape and reel format.

Q: Why are there multiple part numbers for the same base product 74AVC2T45?

A: Multiple part numbers reflect different packaging formats, supplier device package designations, and product status classifications. Suffixes like GD, DC, GF, GN, GS, and GT indicate specific packaging variants (XSON dimensions, VSSOP, etc.) and tape/reel or bulk formats. All maintain identical electrical functionality.

Q: Is 74AVCH2T45GT,115 compatible with designs using 74AVC2T45GD,125?

A: Yes. The 74AVCH2T45GT,115 is parametrically equivalent with identical electrical specifications, voltage ranges, data rate, and operating temperature. Both are 8-XFDFN surface mount packages. The primary difference is series designation (74AVCH vs. 74AVC), but functional performance is equivalent.

Q: What inventory considerations should guide part selection?

A: 74AVCH2T45GT,115 offers the highest inventory availability at 176,914 pieces, followed by 74AVC2T45GN,115 at 115,100 pieces. For immediate availability, these variants provide supply chain advantages. Obsolete variants (74AVC2T45GD,125 and 74AVCH2T45GF,115) have limited remaining inventory and should not be selected for new designs.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended active substitutes maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity rating, matching the original 74AVC2T45GD,125 specifications.

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