To:
Date:
11/27/2007
Company:
From:
Gordon Galbraith
Phone:
Phone:
(503) 992-4448
Fax:
Fax:
Page 1 of __
E:\...\06_P-06379R0_370HR_b.zlf - 11/27/2007 2:46:04 PM [CUSTOMER COPY]
soldermask: PSR 4000 Taiyo
Thickness
Nom
mils
(um)
Material
Type
1.90
(48)
FOIL
.5oz
E1
10.08
(256)
2116 / 1652 - Polyclad 370 HR
.5oz
.5oz
0.65
(17)
2.50
(64)
0.65
(17)
Lam, 370HR .0025 1080 .5/.5 DSTF 24x18
E2
E3
28.81
(732)
7628 / 7628 / 7628 / 7628 - Polyclad 370 HR
.5oz
.5oz
0.65
(17)
2.50
(64)
0.65
(17)
Lam, 370HR .0025 1080 .5/.5 DSTF 24x18
E4
E5
10.08
(256)
1652 / 2116 - Polyclad 370 HR
1.90
(48)
FOIL
.5oz
E6
Overall Board Thicknesses (Over Conductor)
inches
(mm)
nom:
0.0604
(1.53)
Customer Notes:
National Semiconductor
Total thickness .060" +/- .006"
Note pitch is equal to center to center spacing, not edge to edge. Pitch = edge to edge spacing
plus one trace width.
--------------------------------------------------------------------------------------------------
Impedance Notes 11/26/2007 10:41 AM
--------------------------------------------------------------------------------------------------
Layer 1 (ref 2);
18.00 mil lines for 50 ohms +/-10% (model 49.69)
8.50 mil lines/14 mil pitch for 100 ohm differ/-10% (model 98.9)
