USB5734T/MRD01 Equivalent & Substitute Parts

Part Overview

The USB5734T/MRD01 is a 64-VQFN Interface IC manufactured by Microchip Technology, designed for USB hub controller applications. This part is classified as Obsolete and is no longer in active production. Due to its obsolete status, sourcing new inventory from primary channels is restricted, making identification of active equivalent parts essential for ongoing system support and new design implementations.

Substiute Parts

USB5734T/MRD01

Microchip TechnologyIn Stock: 793USB5734T/MRD01 Datasheet

Current PartRFQ

USB5734T/MRD02

Microchip TechnologyIn Stock: 942USB5734T/MRD02 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB5734T/MRD01 is based on the following critical parameters:

Package Compatibility: Both the main part and substitute maintain identical physical packaging specifications (64-VFQFN Exposed Pad, 64-QFN 9x9 footprint), ensuring PCB-level compatibility without layout modifications.

Manufacturer Continuity: The substitute part is sourced from the same manufacturer (Microchip Technology), maintaining design consistency and supply chain reliability.

Functional Classification: Both parts operate within the Interface category and serve USB hub controller functions, preserving system-level functionality.

Product Status Transition: The substitute part carries an Active product status, providing long-term availability and manufacturing support compared to the obsolete main part.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: USB5734T/MRD02

The USB5734T/MRD02 is the manufacturer-recommended substitute for the obsolete USB5734T/MRD01. This substitution is supported by:

Product Status: The USB5734T/MRD02 maintains Active product status, ensuring continued manufacturing availability, technical support, and long-term supply chain stability. This directly addresses the obsolescence constraint of the main part.

Physical Compatibility: Identical package specifications (64-VFQFN Exposed Pad) and footprint dimensions (9x9mm) enable direct PCB-level substitution without design modifications or layout rework.

Manufacturer Alignment: Both parts originate from Microchip Technology, maintaining consistent design philosophy, quality standards, and technical documentation accessibility.

Regulatory Compliance: The substitute part carries REACH Unaffected status, confirming compliance with current environmental and hazardous substance regulations applicable to electronic components.

Functional Equivalence: Both parts serve identical functional roles within USB hub controller applications, with the substitute providing specified interface protocols (GPIO, I2C, SMBus, SPI, UART) and standards support (USB 2.0, USB 3.1).

Frequently Asked Questions (FAQ)

Q: Can the USB5734T/MRD02 be used as a direct replacement for the USB5734T/MRD01 on existing PCBs?

A: Yes. Both parts share identical package specifications (64-VFQFN Exposed Pad) and footprint dimensions (9x9mm), enabling direct PCB-level substitution without layout modifications or rework.

Q: What is the primary reason for substituting the USB5734T/MRD01?

A: The USB5734T/MRD01 is classified as Obsolete, restricting new inventory availability from primary manufacturing channels. The USB5734T/MRD02 provides an Active alternative with equivalent functionality and long-term supply assurance.

Q: Are there differences in electrical specifications between these parts?

A: The USB5734T/MRD02 provides documented electrical specifications including supply voltage ranges (1.08V ~ 1.32V, 3V ~ 3.6V) and operating temperature range (0°C ~ 70°C). The USB5734T/MRD01 specifications are not provided in available documentation.

Q: Does the substitute part support the same interface protocols?

A: The USB5734T/MRD02 supports GPIO, I2C, SMBus, SPI, and UART interfaces, with USB 2.0 and USB 3.1 standards compliance. Protocol specifications for the USB5734T/MRD01 are not documented.

Q: What is the inventory status of the substitute part?

A: The USB5734T/MRD02 has 832 pieces of new original stock currently available, providing immediate procurement capability compared to the obsolete main part.

Q: Are there any regulatory compliance differences?

A: The USB5734T/MRD02 carries REACH Unaffected status, confirming compliance with current environmental regulations. Compliance status for the USB5734T/MRD01 is not specified.

Q: Is the USB5734T/MRD02 the only available substitute?

A: Based on provided data, the USB5734T/MRD02 is the manufacturer-recommended substitute, identified as the primary equivalent part for this application.