adm8513 Infineon Technologies Corporation, adm8513 Datasheet - Page 86

• Manufacturer Part Number: adm8513
• Description: Usb-to-10/100 Mbps Ethernet Lan Controller
• Manufacturer: Infineon Technologies Corporation

Figure 11
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Power and Ground
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Figure 12
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Figure 13
Data Sheet
Vcc trace should be short and prefer route in the format of the plane a special for GND.
All of the Vcc pin should have a 0.1uF SMD capacitors which placed with it. To be effective, the capacitors
should be placed as close as possible at the pin.
The chassis ground plane connected to the USB B type and network connector chassis should be isolated from
the signal plane with 0.1uF capacitors or bead to prevent any radiation from leaking and resulting in EMI failure.
Right angle is recommend when partition Vcc as well as GND planes.
Avoid Vcc and ground planes placing directly under the transformer.See the Figure as below.
If you use a captive cable (plus the shield wire) it may require additional filtering for EMI test pass and the length
of unshielded cable should be limited to 3cm or less.
Trace Routing 3
Power and Ground 1
Power and Ground 2
86
Appendix Layout Guide
Rev. 1.21, 2005-12-05
Data Sheet
ADM8513