KSZ8041TL Micrel Inc, KSZ8041TL Datasheet - Page 36

• 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 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.
December 2009
Power Pin
V1.8_OUT
VDD_1.8
VDDA_1.8
VDDIO_3.3
VDDA_3.3
Figure 9. KSZ8041TL/FTL/MLL Power and Ground Connections
Pin Number
25, 26
Table 10. KSZ8041TL/FTL/MLL Power Pin Description
4, 5
7, 8
31
6
Pin Type
Output
Input
Input
Input
Input
Description
1.8V supply output from KSZ8041TL/FTL/MLL
Decouple with 22uF and 0.1uF capacitors to ground.
Connect to V1.8_OUT (pin 6) thru ferrite bead.
Decouple with 0.1uF capacitor to ground.
Connect to V1.8_OUT (pin 6) thru ferrite bead.
Decouple with 0.1uF capacitor on each pin to ground.
Connect to board’s 3.3V supply.
Decouple with 22uF and 0.1uF capacitors to ground.
Connect to board’s 3.3V supply thru ferrite bead.
Decouple with 22uF and 0.1uF capacitors to ground.
36
KSZ8041TL/FTL/MLL
M9999-120909-1.2