KSZ8993ML

Specialized ICS Overview

The KSZ8993ML is a Layer 2 managed switch IC from Microchip Technology, packaged in a 128-pin PQFP. It integrates three MAC units and two 10/100 Ethernet PHYs with frame buffers. The device supports 10BASE-T, 100BASE-TX, and 100BASE-FX on Port 1. It features a non-blocking switch fabric with a 1K MAC address lookup table and store-and-forward architecture. The ML suffix indicates a single-supply design where the internal VDDC pin provides 1.8V power to other core and analog supply pins.

Specialized ICS Feature Summary

• Integrated 3-Port 10/100 Managed Switch with Two PHYs
• Supports 10BASE-T, 100BASE-TX, and 100BASE-FX (Port 1)
• Single-Supply Operation via Internal 1.8V Regulator Output
• IEEE 802.1q VLAN Support for Up to 16 Groups

Specialized ICS Applications

• Broadband Gateway/Firewall/VPN
• Integrated DSL or Cable Modem Multi-Port Router
• Wireless LAN Access Point + Gateway
• Residential and Enterprise VoIP Gateway/Phone
• Set-Top/Game Box

Specialized ICS Procurement Notes

Verify that the specific order quantity matches the manufacturer's standard packaging requirements. Confirm that the PCB layout accommodates the 128-PQFP package dimensions of 14x20 mm. Ensure the design utilizes the correct pin configuration for the ML variant, specifically regarding the 1.8V output on Pin 22.

Specialized ICS Selection Notes

Select the KSZ8993ML when a single external voltage rail is required, as it internally generates the 1.8V core voltage. This variant is functionally identical to the KSZ8993M but simplifies power distribution by providing 1.8V output on Pin 22 to supply VDDC, VDDA, and VDDAP pins.

Specialized ICS Part Context

The KSZ8993ML belongs to the KSZ8993 series of integrated Ethernet switches. It serves as the single-supply counterpart to the KSZ8993M, which requires separate 1.8V and 3.3V inputs. Both variants share the same Layer 2 management features, port configurations, and physical interface capabilities.

Specialized ICS Replacement Considerations

The KSZ8993M is the direct functional equivalent requiring dual supplies. Other Microchip KSZ8993 variants may offer different temperature ranges or packaging options.