|
Circuit Layer Design Guidelines
|
| Attribute |
|
Nominal
|
|
Detail
|
Minimum
|
Preferred |
| Line Width - Outer Layers |
A
|
0.0015"
|
.002"+
|
| Line Width - Inner Layers |
B
|
.001"
|
.002"+
|
| Line to Line Space - Outer Layers |
C
|
0.0015"
|
.002"+
|
| Line to Line Space - Inner Layers |
D
|
.001"
|
.002"+
|
|
PTH Diameter - Drilled
|
Ø
|
.001" min.
|
| PTH to PTH Pitch - Center to Center |
F
|
Ø+.0065"
|
Ø+.0075"+
|
| PTH Pad Diameter - Outer Layer |
G
|
Ø+.002"
|
Ø+.003"+
|
| PTH Internal Land Diameter - Inner Layers |
H
|
Ø+.002"
|
Ø+.003"+
|
| PTH Clearance Diameter - Inner Layers |
I
|
Ø+.004"
|
Ø+.005"+
|
|
|
