Справочник Пользователя для Intel 41110
Intel® 41110 Serial to Parallel PCI Bridge Design Guide
51
41110 Customer Reference Boards
11
This chapter describes the 41110 Customer Reference Board (CRB).
11.1
Board Stack-up
The proposed layout of the PCB is eight layers with the following stackup:
•
Signal #1 (Top/Component Side)
•
Ground Plane: GND
•
Signal #2
•
Power Plane
•
Power Plane
•
Signal #3
•
Ground Plane
•
Signal #4 (Bottom)
The permittivity constant Er = 4.5
Table 18. CRB Board Stackup (Sheet 1 of 2)
Layer
Type
Thickness
(mils)
Copper Weight
1
Signal
2.00
1/2 + plating
Prepreg
4.50
2
Plane: GND
1.20
1
Core
4.80
3
Signal
1.20
1
Prepreg
14.00
4
Plane: PWR
1.20
1
Core
3.8
5
Plane: PWR
1.20
1
Prepreg
14.00
6
Signal
1.20
1
Core
4.80
7
Plane: Power
1.20
1