KSZ8041TL A3 TR Micrel Inc, KSZ8041TL A3 TR Datasheet - Page 35

• Manufacturer Part Number: KSZ8041TL A3 TR
• Manufacturer: Micrel Inc

Specifications of KSZ8041TL A3 TR

• Lead Free Status / RoHS Status: Supplier Unconfirmed

Micrel, Inc.
Reference Clock Connection Options
A crystal or clock source, such as an oscillator, is used to provide the reference clock for the KSZ8041TL/FTL/MLL.
The following figure illustrates how to connect the 25MHz crystal and oscillator reference clock for MII mode.
For the KSZ8041TL/FTL, the following figure illustrates how to connect the 50MHz oscillator reference clock for RMII
mode.
For the KSZ8041TL/FTL, the following figure illustrates how to connect the 125MHz oscillator reference clock for SMII
mode.
December 2009
22pF
22pF
22pF
22pF
25MHz XTAL
+/-50ppm
Figure 6. 25MHz Crystal / Oscillator Reference Clock for MII Mode
Figure 8. 125MHz Oscillator Reference Clock for SMII Mode
Figure 7. 50MHz Oscillator Reference Clock for RMII Mode
XI
XO
125MHz OSC
+/-100ppm
NC
NC
CLOCK
XO
35
25MHz OSC
+/-50ppm
NC
NC
XI
XO
KSZ8041TL/FTL/MLL
M9999-120909-1.2