74AVC1T45FW3-7 Equivalent & Substitute Parts

Part Overview

The 74AVC1T45FW3-7 is a voltage level translator IC manufactured by Diodes Incorporated, designed for bidirectional single-channel translation between logic levels ranging from 1.2 V to 3.6 V on both VCCA and VCCB supplies. The device features tri-state output capability and operates across the industrial temperature range of -40°C to 85°C. The part is classified as obsolete, making identification of active equivalent and substitute components essential for new designs and ongoing production support.

Key Parameters

Parameter	Value
Manufacturer Part Number	74AVC1T45FW3-7
Manufacturer	Diodes Incorporated
Series	74AVC
Product Status	Obsolete
Translator Type	Voltage Level
Channel Type	Bidirectional
Number of Circuits	1
Channels per Circuit	1
Voltage - VCCA	1.2 V ~ 3.6 V
Voltage - VCCB	1.2 V ~ 3.6 V
Output Type	Tri-State
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	6-XFDFN
Supplier Device Package	X2-DFN0910-6
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the 74AVC1T45FW3-7 is determined by the following critical parameters:

Core Functional Parameters:

Translator Type: Voltage Level
Channel Type: Bidirectional
Number of Circuits: 1
Channels per Circuit: 1
Voltage Range VCCA: 1.2 V ~ 3.6 V minimum
Voltage Range VCCB: 1.2 V ~ 3.6 V minimum
Output Type: Tri-State capability

Mechanical Compatibility:

Mounting Type: Surface Mount
Package / Case: 6-XFDFN form factor

Environmental & Compliance:

Operating Temperature: -40°C ~ 85°C minimum
RoHS Status: ROHS3 Compliant
MSL: 1 (Unlimited)

Substitute parts are grouped into three categories:

MFR Recommended Substitutes – Active parts from the same or equivalent manufacturer series with identical functional parameters and improved product status
Parametric Equivalents – Parts with matching electrical specifications but different package variants
Upgrade Options – Active parts with enhanced specifications (extended voltage range, higher data rate, extended temperature range) that maintain backward compatibility

Parameter Comparison

Part Number	Manufacturer	Series	Status	VCCA Range	VCCB Range	Output Type	Temp Range	Data Rate	Package
74AVC1T45FW3-7	Diodes Inc.	74AVC	Obsolete	1.2 V ~ 3.6 V	1.2 V ~ 3.6 V	Tri-State	-40°C ~ 85°C	—	X2-DFN0910-6
74AVCH1T45FW3-7	Diodes Inc.	74AVCH	Active	1.2 V ~ 3.6 V	1.2 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 85°C	—	X2-DFN0910-6
74AVC1T45FW5-7	Diodes Inc.	74AVC	Obsolete	1.2 V ~ 3.6 V	1.2 V ~ 3.6 V	Tri-State	-40°C ~ 85°C	—	X1-DFN1010-6
74AVC1T45FX4-7	Diodes Inc.	74AVC	Obsolete	1.2 V ~ 3.6 V	1.2 V ~ 3.6 V	Tri-State	-40°C ~ 85°C	—	X2-DFN1409-6
74AVC1T45GM,132	Nexperia USA Inc.	74AVC	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 125°C	500Mbps	6-XSON, SOT886
74AVCH1T45GN,132	Nexperia USA Inc.	74AVCH	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 125°C	500Mbps	6-XSON
74AVC1T45GN,132	NXP USA Inc.	74AVC	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 125°C	500Mbps	6-XSON
74AVC1T45GW-Q100H	Nexperia USA Inc.	74AVC	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 125°C	500Mbps	6-TSSOP
74AVCH1T45GM,115	NXP Semiconductors	74AVCH	Active	—	—	—	—	—	—
74AVCH1T45GS,132	NXP Semiconductors	74AVCH	Active	—	—	—	—	—	—
74AVCH1T45GW-Q100H	Nexperia USA Inc.	74AVCH	Active	0.8 V ~ 3.6 V	0.8 V ~ 3.6 V	Tri-State, Non-Inverted	-40°C ~ 125°C	500Mbps	6-TSSOP

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications, Active Status):

The 74AVCH1T45FW3-7 from Diodes Incorporated is the primary direct substitute. It maintains identical voltage ranges (1.2 V ~ 3.6 V on both supplies), bidirectional single-channel architecture, tri-state output, and operating temperature range (-40°C ~ 85°C). The part is active and ROHS3 compliant with MSL 1 rating, ensuring long-term availability and supply chain stability.

For Enhanced Performance (Extended Specifications, Active Status):

The 74AVC1T45GM,132 and 74AVCH1T45GN,132 from Nexperia USA Inc., and 74AVC1T45GN,132 from NXP USA Inc. offer superior specifications while maintaining functional compatibility. These parts extend the voltage range to 0.8 V ~ 3.6 V, support 500Mbps data rate, and operate across -40°C ~ 125°C. All are active products with ROHS3 compliance and AEC-Q100 qualification available for automotive applications.

For Automotive Applications:

The 74AVC1T45GW-Q100H and 74AVCH1T45GW-Q100H from Nexperia USA Inc. are qualified to AEC-Q100 standard with automotive-grade specifications. These parts provide the same enhanced electrical performance as the standard Nexperia options with formal automotive qualification.

For Package Flexibility:

Alternative package options are available in 6-TSSOP (SC-88, SOT-363) format through the 74AVC1T45GW-Q100H and 74AVCH1T45GW-Q100H variants, accommodating different PCB layout requirements while maintaining electrical equivalence.

Frequently Asked Questions (FAQ)

Q: Can I use 74AVCH1T45FW3-7 as a direct replacement for 74AVC1T45FW3-7?

A: Yes. The 74AVCH1T45FW3-7 maintains identical electrical specifications (1.2 V ~ 3.6 V supply range, bidirectional single-channel translation, tri-state output) and operating temperature range (-40°C ~ 85°C). The primary difference is product status: 74AVCH1T45FW3-7 is active, ensuring continued availability. Both use the same X2-DFN0910-6 package.

Q: What are the key differences between the Diodes Incorporated and Nexperia options?

A: Diodes Incorporated parts (74AVC1T45FW3-7, 74AVCH1T45FW3-7) operate at 1.2 V ~ 3.6 V with unspecified data rate. Nexperia parts (74AVC1T45GM,132, 74AVCH1T45GN,132) extend the lower voltage limit to 0.8 V, support 500Mbps data rate, and operate to 125°C. Both manufacturers provide ROHS3-compliant, MSL 1 rated components.

Q: Are package changes acceptable for substitution?

A: Package changes are acceptable only if your PCB layout can accommodate the alternative form factor. The 6-XSON package (used in Nexperia parts) differs from the X2-DFN0910-6 package (Diodes parts). The 6-TSSOP option (74AVC1T45GW-Q100H, 74AVCH1T45GW-Q100H) provides a larger footprint suitable for different assembly processes. Verify pinout compatibility and PCB routing before implementation.

Q: Which substitute offers the best long-term supply availability?

A: The 74AVC1T45GN,132 from NXP USA Inc. shows the highest inventory (86,998 pcs) among active options, indicating strong supply chain support. The 74AVCH1T45GM,115 from NXP Semiconductors also maintains substantial inventory (501,465 pcs), providing additional supply security.

Q: Can I use parts with extended temperature range (-40°C ~ 125°C) in applications rated only to 85°C?

A: Yes. Extended temperature range parts are backward compatible with applications requiring only -40°C ~ 85°C operation. The wider temperature specification provides additional design margin and does not compromise performance within the narrower operating window.

Q: What is the significance of AEC-Q100 qualification?

A: AEC-Q100 qualification indicates the part meets automotive industry reliability standards. The 74AVC1T45GW-Q100H and 74AVCH1T45GW-Q100H variants carry this qualification, making them suitable for automotive applications requiring formal qualification documentation. Non-qualified parts are suitable for industrial and consumer applications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring environmental compliance and reliable handling across standard manufacturing processes.

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