Intel 82555 - Manual (Page 57)

Datasheet 53
Networking Silicon — 82555
12.0 82555 Package Information
This section provides the physical packaging information for the 82555. The 82555 is an 100-pin
plastic Quad Flat Pack (QFP) device. Package attributes are provided in
Table 7 and the dimensions
are shown in Figure 27 .
Figure 27. Dimension Diagram for the 82555 QFP
Table 7. Dimensions for the 82555 QFP
Symbol Description Min Norm Max
N Lead Count - 100 -
A Overall Height - - 3.15
A1 Stand Off 0.05 - 0.40
b Lead Width 0.20 0.30 0.40
c Lead Thickness 0.10 0.15 0.20
D Terminal Dimension 17.5 17.9 18.3
D1 Package Body - 14.0 -
E Terminal Dimension 23.5 23.9 24.3
E1 Package Body - 20.0 -
e1 Lead Pitch 0.53 0.65 0.77
L1 Foot Length 0.60 0.80 1.00
Y
D
D1
E
E1
e b
A1
A
C
Seating Plane
Seating
Plane
See Detail A
Detail A
T
L1
PC-3712