KSZ8041TL Micrel Inc, KSZ8041TL Datasheet - Page 35

• Manufacturer Part Number: KSZ8041TL
• Description: TRANSCEIVER 10/100BASE 48-TQFP
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KSZ8041TL

• Package / Case: 48-TQFP, 48-VQFP
• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Supply Voltage Range: 3.3V
• Logic Case Style: TQFP
• No. Of Pins: 48
• Svhc: No SVHC (15-Dec-2010)
• Base Number: 804
• Supply Voltage Max: 3.3V
• Termination Type: SMD
• Development Tool: RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 576-3295 - BOARD EVALUATION KSZ8041TL
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 576-1619

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