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Lqfp64 Package Mechanical Data(12Mm*12Mm - STC micro STC8A8K64D4 Series Reference Manual

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STC8A8K64D4 Series Manual
4.4 LQFP64 Package mechanical data(12mm*12mm)
49
64
SYMBOL
A
A1
A2
A3
b
b1
c
c1
D
D1
E
E1
e
L
L1
L2
R1
R2
S
?
?1
?2
?3
D (12mm)
D1 (10mm)
48
TOP E-MARK 2-Φ1.8± 0.1 DEPTH 0.1± 0.05
BTM E-MARK 2-Φ1.8± 0.1 DEPTH 0.1± 0.05
INDEX Φ1.2± 0.1 DEPTH 0.2± 0.1
1
e (0.5mm)
b
General size
mm
MIN
TYP
MAX
-
-
1.60
0.05
-
0.15
1.35
1.40
1.45
0.59
0.64
0.69
0.18
-
0.27
0.17
0.20
0.23
0.13
-
0.18
0.12
0.127
0.134
11.80
12.00
12.20
9.90
10.00
10.10
11.80
12.00
12.20
9.90
10.00
10.10
0.50BSC
0.45
0.60
0.75
1.00REF
0.25BSC
0.08
-
-
0.08
-
0.20
0.20
-
-
3.5°
-
-
11°
12°
13°
11°
12°
13°
33
32
17
16
?2
?1
R1
R2
?3
?
L2
L1
L
S
b
b1
c
c1
(A-A sectional view)
-
A
A2
A3
A1
- 39 -

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