W83C553F Datasheet, PDF (156/159 Pages) Winbond – SYSTEM I/O CONTROLLER WITH PCI ARBITER

W83C553F
Mechanical Description
7.0 MECHANICAL DESCRIPTION
This chapter shows the dimensions of the W83C553F Enhanced SIO with PCI Arbiter chip.
208L QFP (28X28 mm footprint 2.6mm)
208
1
HD
D
157
156
E
EH
52
53
e
105
b
104
See Detail F
Seating Plane
Symbol
A
A1
A2
b
c
D
E
e
HD
HE
L
L1
y
θ
A
2
A
1
y
A
control dimensions are in mm
Dimension in inch
Min Nom Max
0.145
0.004
Dimension in mm
Min Nom Max
3.68
0.10
0.122
0.006
0.004
1.097
1.097
0.016
1.193
1.193
0.012
0.043
0.127
0.008
0.006
1.102
1.102
0.020
1.205
1.205
0.020
0.051
0.132
0.010
0.010
1.107
1.107
0.024
1.217
1.217
0.028
0.059
3.10
0.15
0.10
27.87
27.87
0.40
30.30
30.30
0.30
1.10
3.23
0.20
0.15
28.00
28.00
0.50
30.60
30.60
0.50
1.30
3.35
0.25
0.25
28.13
28.13
0.60
30.90
30.90
0.70
1.50
0.004
0.10
0
10
0
10
c
L
θ
L1
Detail F
WINBOND SYSTEMS LABORATORY
153