====================================================================== KSZ8721CL - Single 3.3V supply Fast Ethernet PHY with separate Link and Activity LEDs ====================================================================== The KS8721CL is a drop-in replacement for the KS8721BL. The only difference between the two PHYs is the Collision LED in the KS8721BL becomes a dedicated Activity LED in the KS8721CL. The KS8721CL uses the KS8721BL Evalution Board platform and also shares the same gerber files and other KS8721BL product collaterals in this design package. Design Package Revision History ---------------- v1.0 : Initial release V1.1 : Removed Datasheet from Design Package Added IBIS model Added AN-133 Interfacing Fast Ethernet Transceivers to MAC Processors ====================================================================== Please contact your local Micrel FAE or Salesperson for any question.