74LVC2T45GF,115 Equivalent & Substitute Parts

Part Overview

The 74LVC2T45GF,115 is a bidirectional voltage level translator manufactured by Nexperia USA Inc., designed for logic signal translation between different voltage domains. This device features 1 circuit with 2 channels per circuit, supporting voltage ranges from 1.2 V to 5.5 V on both VCCA and VCCB supplies, with a data rate of 420 Mbps. The part is packaged in 8-XSON (1.35x1) surface mount configuration.

The 74LVC2T45GF,115 is currently listed as obsolete. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements. Active alternatives with identical or compatible electrical and mechanical specifications are available from the same manufacturer series.

Key Parameters

Parameter	Specification
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 (1.35x1)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 74LVC2T45GF,115 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents (Direct Substitutes): Parts sharing identical electrical specifications including translator type (voltage level, bidirectional), circuit and channel configuration (1 circuit, 2 channels), voltage supply ranges (1.2 V ~ 5.5 V on both VCCA and VCCB), output type (tri-state, non-inverted), data rate (420 Mbps), and operating temperature range (-40°C ~ 125°C). These parts differ primarily in packaging format (tape & reel vs. cut tape vs. bulk) and product status (active vs. obsolete). Key parametric equivalents include 74LVC2T45GN,115, 74LVC2T45GS,115, 74LVC2T45GS-Q100X, 74LVC2T45GT,115, 74LVC2T45GT-Q100X, 74LVCH2T45GN,115, 74LVCH2T45GS,115, and 74LVCH2T45GT,115.

Similar Alternatives: Parts with comparable functional purpose (bidirectional voltage level translation) but with variations in voltage supply ranges, data rate specifications, or operating temperature limits. These include FXL2T245L10X and FXL2TD245L10X from Fairchild Semiconductor, which operate at 1.1 V ~ 3.6 V and -40°C ~ 85°C respectively.

Substitution logic is based strictly on the following allowed parameters: translator type, channel type, number of circuits, channels per circuit, voltage supply ranges (VCCA and VCCB), output type, data rate, operating temperature range, mounting type, package type, and compliance certifications (RoHS, REACH).

Parameter Comparison

Part Number	Manufacturer	Product Status	Packaging	Voltage - VCCA	Voltage - VCCB	Data Rate	Operating Temp	Package / Case	Supplier Device Package	RoHS Status
74LVC2T45GF,115	Nexperia USA Inc.	Obsolete	Cut Tape (CT)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.35x1)	ROHS3 Compliant
74LVC2T45GN,115	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.2x1)	ROHS3 Compliant
74LVC2T45GS,115	NXP USA Inc.	Active	Bulk	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.35x1)	Not specified
74LVC2T45GS-Q100X	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.35x1)	ROHS3 Compliant
74LVC2T45GT,115	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	ROHS3 Compliant
74LVC2T45GT-Q100X	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	ROHS3 Compliant
74LVCH2T45GN,115	NXP Semiconductors	Active	Bulk	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.35x1)	ROHS3 Compliant
74LVCH2T45GS,115	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON (1.35x1)	ROHS3 Compliant
74LVCH2T45GT,115	Nexperia USA Inc.	Active	Tape & Reel (TR)	1.2 V ~ 5.5 V	1.2 V ~ 5.5 V	420 Mbps	-40°C ~ 125°C	8-XFDFN	8-XSON, SOT833-1 (1.95x1)	ROHS3 Compliant
FXL2T245L10X	Fairchild Semiconductor	Active	Not specified	1.1 V ~ 3.6 V	1.1 V ~ 3.6 V	Not specified	-40°C ~ 85°C	10-UFQFN Exposed Pad	10-MicroPak™	Not specified
FXL2TD245L10X	Fairchild Semiconductor	Active	Not specified	1.1 V ~ 3.6 V	1.1 V ~ 3.6 V	Not specified	-40°C ~ 85°C	10-UFQFN Exposed Pad	10-MicroPak™	Not specified

Engineering Selection Recommendations

Primary Substitutes (Nexperia 74LVC Series): The 74LVC2T45GN,115, 74LVC2T45GS,115, 74LVC2T45GS-Q100X, 74LVC2T45GT,115, and 74LVC2T45GT-Q100X are direct parametric equivalents with active product status. All maintain identical electrical specifications: 1.2 V ~ 5.5 V supply voltage range on both channels, 420 Mbps data rate, and -40°C ~ 125°C operating temperature. Selection among these variants depends on packaging requirements (tape & reel for automated assembly, bulk for manual assembly) and physical package dimensions (1.2x1, 1.35x1, or 1.95x1 mm). The -Q100X variants include AEC-Q100 automotive qualification for applications requiring automotive-grade components.

Secondary Substitutes (Nexperia 74LVCH Series): The 74LVCH2T45GN,115, 74LVCH2T45GS,115, and 74LVCH2T45GT,115 maintain identical electrical and thermal specifications as the primary substitutes. These parts are from the 74LVCH series rather than 74LVC, but share the same functional characteristics and are actively produced.

Alternative Solutions (Fairchild FXL Series): The FXL2T245L10X and FXL2TD245L10X offer similar bidirectional translation functionality but operate at reduced voltage ranges (1.1 V ~ 3.6 V) and lower maximum operating temperature (85°C vs. 125°C). These alternatives are suitable only for applications where the narrower voltage and temperature specifications are acceptable. The FXL2TD245L10X includes power-off protection features not present in the 74LVC variants.

All recommended substitutes maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity ratings where specified, ensuring compatibility with standard manufacturing and storage practices.

Frequently Asked Questions (FAQ)

Q: Can I directly replace 74LVC2T45GF,115 with 74LVC2T45GN,115?

A: Yes. Both parts are parametric equivalents with identical electrical specifications: 1 circuit, 2 bidirectional channels, 1.2 V ~ 5.5 V supply voltage on both VCCA and VCCB, 420 Mbps data rate, and -40°C ~ 125°C operating temperature. The primary difference is packaging format: 74LVC2T45GF,115 is supplied in cut tape, while 74LVC2T45GN,115 is supplied in tape & reel. The 74LVC2T45GN,115 is actively produced, whereas the 74LVC2T45GF,115 is obsolete.

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

A: Both parts share identical electrical and thermal specifications. The -Q100X variant includes AEC-Q100 automotive qualification and is supplied in tape & reel packaging. The 74LVC2T45GS,115 is supplied in bulk packaging. Selection depends on whether automotive-grade qualification is required for your application.

Q: Can I use FXL2T245L10X as a substitute for 74LVC2T45GF,115?

A: FXL2T245L10X is functionally similar but not a direct equivalent. It operates at 1.1 V ~ 3.6 V supply voltage (narrower than 1.2 V ~ 5.5 V) and supports only -40°C ~ 85°C operating temperature (lower than -40°C ~ 125°C). Use this part only if your application operates within these reduced voltage and temperature ranges. The package type also differs (10-UFQFN vs. 8-XFDFN).

Q: What does the package designation "8-XSON (1.35x1)" mean?

A: This indicates an 8-pin extremely small outline no-lead package with physical dimensions of 1.35 mm × 1 mm. The 74LVC2T45GN,115 uses 8-XSON (1.2x1), which is slightly smaller. The 74LVC2T45GT and 74LVC2T45GT-Q100X use 8-XSON, SOT833-1 (1.95x1), which is larger. Verify PCB layout compatibility before selecting a substitute with different package dimensions.

Q: Are all substitute parts RoHS3 compliant?

A: The Nexperia 74LVC and 74LVCH series parts are specified as ROHS3 compliant. The Fairchild FXL series parts do not have RoHS status specified in the provided data. Verify RoHS compliance requirements for your application before selecting Fairchild alternatives.

Q: What is MSL 1 (Unlimited) moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level, meaning the component can be stored indefinitely without special moisture control measures. This applies to all Nexperia substitutes listed. Standard storage conditions are acceptable without requiring dry-pack or desiccant storage.

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