PEB20534H10-V21 Equivalent & Substitute Parts

Part Overview

The PEB20534H10-V21 is a specialized interface IC manufactured by Infineon Technologies, designed for PCI interface applications. This component is packaged in a 208-pin BFQFP format and operates across a 3V to 5.25V supply voltage range. The part has been discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives for ongoing system support and new designs requiring similar interface capabilities.

Substiute Parts

PEB20534H10-V21

Infineon TechnologiesIn Stock: 728PEB20534H10-V21 Datasheet

Current PartRFQ

FDC37C669-MS

Microchip TechnologyIn Stock: 1601FDC37C669-MS Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the PEB20534H10-V21 is evaluated based on the following critical parameters:

• Interface Compatibility: Both main and substitute parts must support specialized interface protocols suitable for system-level integration
• Voltage Supply Range: Operating voltage specifications must accommodate the system's power delivery constraints
• Package Type: Physical form factor and pin count determine PCB compatibility and layout feasibility
• Mounting Technology: Surface mount capability is required for modern manufacturing processes
• Regulatory Compliance: RoHS3 and REACH compliance status ensures environmental and regulatory alignment
• Moisture Sensitivity: MSL rating affects storage, handling, and assembly requirements

The FDC37C669-MS from Microchip Technology is identified as a substitute based on shared interface specialization, surface mount technology, equivalent regulatory compliance, and matching moisture sensitivity classification. However, differences in package configuration (100-BQFP versus 208-BFQFP), pin count, voltage range, and interface protocol (ISA Host versus PCI) require careful evaluation for specific applications.

Parameter Comparison

Engineering Selection Recommendations

Selection between the PEB20534H10-V21 and FDC37C669-MS must account for the following factors:

Product Availability: The PEB20534H10-V21 is discontinued at DiGi Electronics with 717 units in current inventory. The FDC37C669-MS is an active product with 1499 units available, providing superior long-term supply chain stability.

Regulatory Compliance: Both components maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements for equivalent applications.

Moisture Sensitivity: Matching MSL ratings (3, 168 Hours) ensure equivalent handling, storage, and assembly process compatibility.

Interface Protocol Differences: The PEB20534H10-V21 supports PCI interface protocols, while the FDC37C669-MS implements ISA Host interface protocols. These represent distinct bus architectures and are not functionally interchangeable without system-level protocol adaptation.

Package and Pin Configuration: The 208-pin BFQFP package of the PEB20534H10-V21 differs substantially from the 100-pin BQFP package of the FDC37C669-MS, requiring PCB redesign and layout modifications.

Voltage Supply Range: The PEB20534H10-V21 operates from 3V to 5.25V, while the FDC37C669-MS requires 4.5V to 5.5V. Systems operating below 4.5V cannot use the Microchip substitute.

Frequently Asked Questions (FAQ)

Q: Can the FDC37C669-MS directly replace the PEB20534H10-V21 on existing PCBs?

A: No. The parts differ in package type (100-BQFP versus 208-BFQFP), pin count, and interface protocol. Direct PCB substitution is not possible without redesign.

Q: What are the primary differences between PCI and ISA Host interfaces?

A: PCI and ISA Host represent different bus architectures with distinct electrical signaling, protocol timing, and functional requirements. They are not protocol-compatible and require different system implementations.

Q: Are both parts suitable for new designs?

A: The PEB20534H10-V21 is discontinued and not recommended for new designs. The FDC37C669-MS is an active product suitable for new designs requiring ISA Host interface functionality.

Q: Do both parts have equivalent moisture sensitivity handling requirements?

A: Yes. Both components carry MSL 3 (168 Hours) ratings, requiring identical storage, handling, and assembly process controls.

Q: What voltage range considerations apply when selecting between these parts?

A: The PEB20534H10-V21 supports 3V to 5.25V operation, while the FDC37C669-MS requires 4.5V to 5.5V minimum. System voltage specifications must fall within the selected component's operating range.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the PEB20534H10-V21 and FDC37C669-MS maintain ROHS3 compliance and REACH unaffected status.