KS8997 Equivalent & Substitute Parts Reference

Part Overview

The KS8997 is a 10/100 Integrated Switch IC manufactured by Microchip Technology, housed in a 128-PQFP (14x20mm) package for surface mount applications. This component functions as a port switch and network interface controller, designed for Ethernet switching applications requiring integrated 10/100 Mbps capability.

The KS8997 carries an Obsolete product status, which necessitates identification of functionally equivalent alternatives for new designs and ongoing production requirements. The part is RoHS non-compliant and subject to Moisture Sensitivity Level 3 specifications.

Substiute Parts

KS8997

Microchip TechnologyIn Stock: 2997KS8997 Datasheet

Current PartRFQ

KSZ8997

Microchip TechnologyIn Stock: 1747KSZ8997 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KS8997 is determined by the following critical parameters:

Functional Equivalence: Identical device type classification (10/100 Integrated Switch) and application category (Port Switch / Network Interface)

Package Compatibility: Identical package designation (128-BFQFP) and supplier device package specification (128-PQFP 14x20mm) to ensure PCB footprint and assembly process compatibility

Mounting Technology: Surface mount technology consistency across all substitute candidates

Electrical Specifications: Identical operational classification (10/100 Mbps Ethernet switching capability)

Manufacturer Consistency: Parts sourced from the same manufacturer (Microchip Technology) to ensure design continuity and technical support alignment

The KSZ8997 meets all substitution criteria as a direct equivalent to the obsolete KS8997.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: KSZ8997

The KSZ8997 is the direct functional equivalent for the obsolete KS8997. Selection of the KSZ8997 is supported by the following engineering factors:

Product Status Alignment: The KSZ8997 maintains Active product status, ensuring long-term availability, technical support, and supply chain continuity compared to the Obsolete KS8997.

Regulatory Compliance Enhancement: The KSZ8997 achieves ROHS3 compliance, representing an improvement over the KS8997's RoHS non-compliant status. This compliance upgrade aligns with current regulatory requirements and environmental standards.

Identical Electrical and Mechanical Specifications: All functional parameters, package designations, and mounting specifications are identical between the two parts, enabling direct substitution without circuit redesign or PCB layout modification.

Manufacturer Support: Both parts originate from Microchip Technology, ensuring consistent technical documentation, application support, and design resources.

Moisture Sensitivity Consistency: Both parts maintain identical MSL 3 specifications, requiring equivalent handling and storage protocols during manufacturing and assembly operations.

Frequently Asked Questions (FAQ)

Q: Can the KSZ8997 be used as a direct replacement for the KS8997 without PCB modifications?

A: Yes. The KSZ8997 and KS8997 share identical package specifications (128-BFQFP, 128-PQFP 14x20mm), mounting type (surface mount), and functional classification (10/100 Integrated Switch). PCB footprints and assembly processes require no modification.

Q: What is the primary advantage of substituting KS8997 with KSZ8997?

A: The KSZ8997 is an Active product with ROHS3 compliance, whereas the KS8997 is Obsolete and RoHS non-compliant. The substitute ensures long-term availability and regulatory alignment.

Q: Are there differences in moisture sensitivity handling between KS8997 and KSZ8997?

A: No. Both parts specify Moisture Sensitivity Level 3 (168 Hours), requiring identical storage, handling, and reflow procedures during assembly.

Q: Does the packaging format difference (Bulk vs. Tray) affect electrical performance?

A: No. Packaging format affects logistics and handling procedures only. Electrical specifications and functional performance remain identical regardless of packaging presentation.

Q: Is the KSZ8997 suitable for new design implementations?

A: Yes. The KSZ8997's Active product status, ROHS3 compliance, and identical functional specifications make it the appropriate choice for new designs requiring 10/100 Integrated Switch functionality in a 128-PQFP package.