ksz8041tl-ftl Micrel Semiconductor, ksz8041tl-ftl Datasheet - Page 31
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ksz8041tl-ftl
Manufacturer Part Number
ksz8041tl-ftl
Description
10base-t/100base-tx/100base-fx Physical Layer Transceiver
Manufacturer
Micrel Semiconductor
Datasheet
1.KSZ8041TL-FTL.pdf
(58 pages)
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Micrel, Inc.
Reference Circuit for Power and Ground Connections
The KSZ8041TL/FTL 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.
April 2007
Power Pin
V1.8_OUT
VDD_1.8
VDDA_1.8
VDDIO_3.3
VDDA_3.3
Pin Number
Figure 9. KSZ8041TL/FTL Power and Ground Connections
25, 26
4, 5
7, 8
31
6
Table 10. KSZ8041TL/FTL Power Pin Description
Pin Type
Output
Input
Input
Input
Input
Connect to board’s 3.3V supply.
Description
1.8V supply output from KSZ8041TL/FTL
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.
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.
31
M9999-042707-1.1
KSZ8041TL/FTL
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