KSZ8851-16MQLI

Controllers Overview

The KSZ8851-16MQLI is a single-port Ethernet MAC controller with an integrated PHY, compliant with IEEE 802.3/802.3u standards. It supports 10BASE-T and 100BASE-TX speeds via auto-negotiation. The device features an 8-bit or 16-bit generic non-PCI host processor interface with DMA slave burst transfers. Internal memory includes a 12KB RX FIFO and a 6KB TX FIFO. Power supplies include a single 3.3V source with options for 1.8V, 2.5V, or 3.3V VDD I/O. The component operates within the industrial temperature range of -40°C to +85°C and is housed in a 128-pin PQFP package.

Controllers Feature Summary

• Integrated MAC and PHY supporting 10/100 Mbps Ethernet with Wake-on-LAN capabilities
• Flexible 8-bit or 16-bit generic host processor interface with DMA support
• LinkMD cable diagnostics for determining cable length and fault conditions
• HP Auto MDI-X functionality eliminating the need for crossover cables

Controllers Applications

• Industrial control sensor devices
• Video over IP and IPTV systems
• Voice over IP (VoIP) and analog telephone adapters
• High-end cable and satellite set-top boxes

Controllers Procurement Notes

Verify the specific suffix 'I' confirms the industrial temperature grade (-40°C to +85°C). Confirm the package type matches the 128-pin PQFP requirement. Ensure the host interface configuration aligns with the 8-bit or 16-bit bus design specifications provided in the datasheet.

Controllers Selection Notes

Select this model when an industrial temperature range is required for embedded applications. The 16-bit interface option provides higher throughput compared to the 8-bit variant. Verify compatibility with the target system's voltage levels, as the device supports multiple VDD I/O options including 1.8V, 2.5V, and 3.3V.

Controllers Part Context

This component belongs to the KSZ8851M-series of single-port Ethernet controllers. It serves as a cost-effective solution for adding high-throughput connectivity to traditional embedded systems. The device integrates mixed analog/digital circuitry to enhance physical signal transmission efficiency while maintaining low power consumption.

Controllers Replacement Considerations

The KSZ8851-32MQLI is a pin-compatible alternative offering a 32-bit host interface instead of the 16-bit version.