FDC37B78X SMSC Corporation, FDC37B78X Datasheet - Page 257

• Manufacturer Part Number: FDC37B78X
• Description: Enhanced Super I/O Controller with ACPI Support/ Real Time Clock and Consumer IR
• Manufacturer: SMSC Corporation

4
DETAIL "A"
3) Package body dimensions D1 and E1 do not include the mold protrusion. Maximum
Notes:
1) Coplanarity is 0.08 mm or 3.2 mils maximum.
2) Tolerance on the position of the leads is 0.080 mm maximum.
4) Dimensions for foot length L measured at the gauge plane 0.25 mm above the seating plane.
5) Details of pin 1 identifier are optional but must be located within the zone indicated.
6) Controlling dimension: millimeter
L1
L
mold protrusion is 0.25 mm.
R1
R2
0
E
1
FIGURE 34 - 128 PIN QFP PACKAGE OUTLINE
-C-
E1
H
3
0.10
103
A
A1
A2
D
D1
E
E1
H
128
A
A1
MIN
0.05
2.55
23.65
19.9
17.65
13.9
102
1
D1/4
A2
NOM
23.9
20
17.9
14
E1/4
MAX
3.4
0.5
3.05
24.15
20.1
18.15
14.1
5
257
D
D1
L
L1
e
0
W
R1
R2
3
MIN
0.65
0
0.1
0.13
0.13
SEE DETAIL "A"
0.5BSC
NOM
0.8
1.95
65
38
MAX
0.95
0.3
0.3
7
39
64
2
0
W
e