OS81216AF-B2B-010300-VAO

Controllers Overview

The OS81216AF-B2B-010300-VAO is a high-performance Ethernet switch manufactured by Microchip Technology. It features an integrated ARM Cortex-M4 processor core for efficient management and control plane operations. The device supports multiple Gigabit Ethernet ports with advanced Quality of Service (QoS) capabilities, including traffic prioritization and scheduling. It includes hardware acceleration for security protocols such as MACsec and IPsec to ensure data integrity and confidentiality. The component is designed for robust network infrastructure applications requiring low latency and high throughput.

Controllers Feature Summary

• Integrated ARM Cortex-M4 processor for local processing and management
• Hardware-accelerated security protocols including MACsec and IPsec
• Advanced Quality of Service (QoS) with traffic prioritization
• Support for multiple Gigabit Ethernet interfaces

Controllers Applications

• Industrial Ethernet switches
• Smart grid communication nodes
• Automotive infotainment systems
• Telecommunications base stations

Controllers Procurement Notes

Verify the specific suffix VA0 against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing PCB footprints and power supply requirements before integration. Cross-reference the full part number with authorized distributors to avoid counterfeit components.

Controllers Selection Notes

Select this component when a dedicated Ethernet switch with embedded processing capabilities is required. Consider the ARM Cortex-M4 integration if local protocol handling or real-time control is needed without a separate host MCU. Evaluate pin count and thermal performance relative to the target enclosure design.

Controllers Part Context

This part belongs to the Microchip KSZ series of managed Ethernet switches. It represents a class of devices combining switching fabric with embedded processing cores. The family is known for supporting various industrial and automotive standards, providing a balance between connectivity and computational resources in a single package.

Controllers Replacement Considerations

Check Microchip's official cross-reference tools for direct replacements within the KSZ series. Verify pin-to-pin compatibility and register-level software compatibility if substituting with other models in the same product family.