IBASE SMARC-EVK1 - Manual (Page 47)

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21 IBASE Technology Inc.
1.2 PCB stack up and trace width/space recommendation (base on RP-100-SMC
reference board)
L1. Top signals
L2. GND
L3. Int1 signals
L4. VCC
L5. GND
L6. Bottom signals
Micro strip
Layer Trace width/space Single-End Differential
1,6 4 50 +/- 10 %
1,6 4/6/4 90 +/- 10 %
1,6 4/12/4 100 +/- 10 %
Strip line
Layer Trace width/space Single-End Differential
3 4 50 +/- 10 %
3 4/6/4 90 +/- 10 %
3 4/12/4 100 +/- 10 %
Layer Glass Style & Cu Wt. Thickness
L1 0.5OZ plating to 1OZ 1.4
P.P 1080 2.6
L2 1 OZ 1.4
CORE 0.08 FR‐4 3
L3 1 OZ 1.4
P.P 7628 7.1
CORE 0.71 FR-4 28
P.P 7628 7.1
L4 1 OZ 1.4
CORE 0.08 FR‐4 3
L5 1 OZ 1.4
P.P 1080 2.6
L6 0.5OZ plating to 1OZ 1.4
Total thickness 61.8mil 1.57mm