USB5434-3086JZX Equivalent & Substitute Parts

Part Overview

The USB5434-3086JZX is a USB Hub Controller IC manufactured by Microchip Technology, designed for USB 3.0 interface applications in a 64-QFN (9x9) package. This part is classified as obsolete, making identification of compatible substitute components essential for ongoing system support and new design implementations. The obsolete status necessitates sourcing alternative controllers that maintain functional and electrical compatibility with existing designs.

Substiute Parts

USB5434-3086JZX

Microchip TechnologyIn Stock: 1147USB5434-3086JZX Datasheet

Current PartRFQ

USB5534B-6080JZX

Microchip TechnologyIn Stock: 7585USB5534B-6080JZX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the USB5434-3086JZX is determined by strict alignment of the following electrical and mechanical parameters:

Critical Matching Parameters:

• Function: Hub Controller
• Interface Standard: USB 3.0
• Package Type: 64-VFQFN Exposed Pad with 64-QFN (9x9) footprint
• Voltage Supply Range: Compatibility within 1.22V ~ 1.31V and 3V ~ 3.6V rails
• Operating Temperature Range: 0°C ~ 70°C minimum support
• Moisture Sensitivity Level: MSL 3 (168 Hours)

The USB5534B-6080JZX qualifies as a direct substitute based on matching all critical parameters. Both parts share identical package geometry, electrical supply specifications, temperature operating range, and moisture sensitivity classification. The USB5534B-6080JZX maintains active product status with current manufacturing availability, providing a viable replacement path for the obsolete USB5434-3086JZX.

Parameter Comparison

Engineering Selection Recommendations

The USB5534B-6080JZX is the qualified substitute for USB5434-3086JZX based on the following engineering criteria:

Compliance & Certification Alignment: Both parts maintain ROHS3 compliance and identical moisture sensitivity specifications, ensuring compatibility with current manufacturing and environmental standards.

Product Lifecycle Status: The USB5534B-6080JZX holds active product status with confirmed manufacturing availability (7539 pcs in stock), providing supply chain continuity for the obsolete USB5434-3086JZX.

Electrical & Mechanical Compatibility: Identical package geometry (64-QFN 9x9), voltage supply specifications, and operating temperature range ensure direct PCB-level compatibility without design modification.

Regulatory Classification: The USB5534B-6080JZX carries EAR99 ECCN classification with REACH Unaffected status, meeting current export and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can USB5534B-6080JZX be used as a direct replacement for USB5434-3086JZX without PCB modifications?

A: Yes. Both parts share identical 64-QFN (9x9) package geometry and pinout compatibility. No PCB layout changes are required for substitution.

Q: Are the voltage supply requirements compatible between these parts?

A: Yes. The USB5534B-6080JZX operates within the voltage supply range of the original part. The specified 1.25V and 3.3V rails are compatible with the USB5434-3086JZX supply specifications of 1.22V ~ 1.31V and 3V ~ 3.6V.

Q: What is the significance of the MSL 3 (168 Hours) rating for both parts?

A: MSL 3 indicates Moisture Sensitivity Level 3, requiring storage in controlled humidity environments and limiting floor life to 168 hours after moisture barrier bag opening. Both parts share identical MSL specifications, ensuring equivalent handling and storage requirements.

Q: Why is the USB5434-3086JZX classified as obsolete?

A: Obsolete status indicates the part is no longer manufactured by Microchip Technology. The USB5534B-6080JZX represents the active production alternative maintaining equivalent functionality.

Q: Are there any differences in RoHS compliance between the two parts?

A: No. Both parts maintain ROHS3 compliance, ensuring equivalent environmental and regulatory compatibility.

Q: What packaging format is the USB5534B-6080JZX supplied in?

A: The USB5534B-6080JZX is supplied in Tray packaging, compared to the original part's unspecified packaging format. Both maintain identical component specifications and handling requirements.