IC 10/100 INTEG SWITCH 208-PQFP

KSZ8999 – 10/100 Integrated Ethernet Switch IC – Microchip Technology

Optimize your legacy network designs with the KSZ8999 from Microchip Technology, a highly integrated 10/100 Ethernet switch IC. This surface-mount solution combines PHY transceivers and a frame buffer in a single 208-PQFP package, delivering reliable connectivity for embedded systems. PCX ensures authentic Microchip components with fast shipping and dedicated technical support for your integration needs.

Key Features

• Type: 10/100 Integrated Switch with PHY & Frame Buffer
• Package: 208-PQFP (28×28) Surface Mount
• Interface: Integrated 9-Port Switch Architecture
• Application Focus: Port Switching & Network Interface Control
• Base Part Number: KSZ8999 Series

Technical Details

The KSZ8999 integrates nine full-duplex 10BASE-T/100BASE-TX PHY transceivers with a non-blocking switch fabric and 448KB frame buffer. It features auto-negotiation, auto-MDIX, and QoS prioritization, supporting jumbo frames for efficient data handling. Designed for industrial temperature resilience, this IC operates reliably in demanding embedded environments. Note: This part is marked obsolete by the manufacturer but remains available at PCX for legacy system maintenance.

Common Applications

• Industrial Control Systems & PLCs
• Legacy Network Switches & Routers
• Embedded Communication Modules
• Medical Monitoring Equipment
• Retrofit Networking Upgrades

About Microchip Technology

Microchip Technology is a globally recognized leader in microcontroller, mixed-signal, and connectivity solutions, serving over 125,000 customers across industrial, automotive, and consumer markets. With 40+ years of innovation, their products are synonymous with robust performance and design flexibility.

The company maintains stringent quality certifications (IATF 16949, ISO 9001) and invests heavily in long-term product lifecycle support. Microchip’s Ethernet portfolio, including the KSZ series, delivers proven interoperability and low-latency communication for critical infrastructure worldwide.

About 10/100 Integrated Switch ICs

Integrated Ethernet switch ICs consolidate physical layer transceivers (PHYs), MAC controllers, and switching logic into single-chip solutions. They eliminate external PHY components, reducing board space and BOM costs while simplifying network subsystem design. These ICs are fundamental for creating managed or unmanaged Ethernet ports in embedded devices.

For legacy equipment, 10/100 switches provide a cost-effective balance of bandwidth and power efficiency. Their deterministic packet handling ensures reliable real-time communication in control systems, making them ideal for industrial automation, IoT gateways, and other applications requiring stable, low-overhead connectivity.

Packaging & Availability

Available in manufacturer tray packaging. PCX recommends verifying requirements for reel options in volume production scenarios. Due to the obsolete status, stock is limited – contact PCX for current availability forecasts.

FAQs

Q: Is the KSZ8999 suitable for new designs?
A: As an obsolete part, it’s primarily recommended for legacy system maintenance. Contact PCX for alternative active Microchip switch ICs for new projects.

Q: Does this IC support VLAN tagging?
A: Yes, the KSZ8999 supports 802.1Q VLAN tagging and QoS prioritization via its integrated frame buffer.

Q: What voltage does this switch IC require?
A: It operates at standard 3.3V supply. Refer to the datasheet for detailed power specifications.

Q: Can I get technical documentation from PCX?
A: Absolutely. Access the full KSZ8999 datasheet here (hosted on PCXCo.com).

Q: How many ports are integrated?
A: The KSZ8999 features nine integrated 10/100 Ethernet ports with auto-negotiation capability.

Q: Is this IC RoHS compliant?
A: Yes, it meets RoHS environmental standards. Confirm specific compliance versions with PCX sales engineers.

Note: Product images are representational. Verify specifications via datasheet.

Order Today for Fast Delivery!

Secure your KSZ8999 ICs from PCX – your trusted source for authentic Microchip components with same-day shipping and lifecycle support. Limited stock available for this obsolete item. Contact our team now to fulfill your legacy system requirements!