Ibase SMARC Evaluation Kit Manual do Utilizador descarregar pdf (Página 48)

22

SMARC Evaluation Kit

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

1 2 ... 43 44 45 46 47 48 49 50 51 52 53 ... 92 93

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