Datasheet

 2017 Microchip Technology Inc. DS00002436B-page 31
KSZ8041TL/FTL/MLL
For the KSZ8041TL/FTL, the following figure illustrates how to connect the 125 MHz oscillator reference clock for SMII
mode.
3.21 Reference Circuit for Power and Ground Connections
The KSZ8041TL/FTL/MLL is a single 3.3V supply device with a built-in 1.8V low noise regulator. The power and ground
connections are shown in the following figure and table.
FIGURE 3-7: 50 MHZ OSCILLATOR REFERENCE CLOCK FOR RMII MODE
FIGURE 3-8: 125 MHZ OSCILLATOR REFERENCE CLOCK FOR SMII MODE
REFCLK
XONC
50MHz OSC
±50ppm
125MHz OSC
±100ppm
NC
CLOCK
XO