Datasheet

AM3517, AM3505
SPRS550E –OCTOBER 2009–REVISED MARCH 2013 www.ti.com
6.4.2.2.3 PCB Stackup
The minimum stackup required for routing the AM3517/05 is a six-layer stack as shown in Table 6-23.
Additional layers may be added to the PCB stack up to accommodate other circuitry or to reduce the size
of the PCB footprint.
Table 6-23. Minimum PCB Stack Up
Layer Type Description
1 Signal Top Routing Mostly Horizontal
2 Plane Ground
3 Plane Power
4 Signal Internal Routing
5 Plane Ground
6 Signal Bottom Routing Mostly Vertical
138 Timing Requirements and Switching Characteristics Copyright © 2009–2013, Texas Instruments Incorporated
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