Product specifications
VT1211 LPC SuperIO and Hardware Monitor
Revision 1.0 January 8, 2002 -60- Mechanical Specifications
Technologies, Inc.
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MECHANICAL SPECIFICATIONS
Figure 4. 128-Pin LQFP – Low-Profile Quad Flat Pack
39
64
D
e
102
65
103
128
38
1
E
1
b
D1
E
L1
DETAIL "F"
L
GAGE PLANE
S
C
SEE DETAIL
"F"
SEATING PLANE
ccc
A
A
1A2
c
CONTROL DIMENSIONS ARE IN MILLIMETERS.
SYMBOL
MILLIMETER INCH
MIN. NOM. MAX. MAX.MIN. NOM.
A
A1
A2
D
D1
E
E1
R2
R1
c
L
L1
S
b
e
aaa
bbb
ccc
ddd
D2
E2
TOLERANCES OF FORM AND POSITION
22.00 BSC.
20.00 BSC.
16.00 BSC.
14.00 BSC.
0.866 BSC.
0.787 BSC.
0.630 BSC.
0.551 BSC.
0.05
1.35
1.40
1.60
0.15
1.45
0
0
11
11
3.5
12
12
7
13
13
0.08
0.08
0.20 0.003
0.003
0.008
0
0
11
11
3.5
12
12
7
13
13
0.063
0.006
0.0570.055
0.002
0.053
0.20
0.20
0.08
0.08
0.008
0.008
0.003
0.003
0.50 BSC.
18.50
12.50
0.020 BSC.
0.728
0.492
1.00 REF 0.039 REF
0.09
0.45
0.20
0.17
0.60
0.20
0.20
0.75
0.27
0.004
0.018
0.008
0.007
0.024
0.008
0.008
0.030
0.011
0
-
02
-
03
-
01
-
R1
R2
0
-
01
-
NOTES :
1.
2.
DIMENSIONS D1 AND E1 DO NOT INCLUDE
MOLD PROTRUSION. ALLOWABLE
PROTRUSION IS 0.25 mm PER SIDE. D1 AND
E1 ARE MAXIMUM PLASTIC BODY SIZE
DIMENSIONS INCLUDING MOLD MISMATCH.
DIMENSION b DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL NOT CAUSE THE LEAD
WIDTH TO EXCEED THE MAXIMUM b
DIMENSION BY MORE THAN 0.08mm.
DAMBAR CAN NOT BE LOCATED ON THE
LOWER RADIUS OR THE FOOT. MINIMUM
SPACE BETWEEN PROTRUSION AND AN
ADJACENT LEAD IS 0.07mm.
E
2
D2
-D-
-A-
-B-
03
-
02
-
0.25 mm
-C-
aaa
D
D
C A-B D
4X
bbb
D
H A-B D
4X
ddd M C A-B s Ds
0.05 s