IA186EM/IA188EM
Data Sheet
8-Bit/16-Bit Microcontrollers
February 25, 2011
2.1.3 TQFP Physical Dimensions
The physical dimensions for the TQFP are as shown in Figure 3.
Legend:
Millimeter
Inch
Symbol Min Nom Max Min Nom Max
A
A1
A2
b
–
0.05
–
–
1.20
0.15 0.002
–
–
–
0.047
0.006
0.95 1.00 1.05 0.0370.0390.041
0.17 0.20 0.27 0.0070.0080.011
c
0.09
–
0.20 0.004
–
0.008
D
16.00 BSC.
14.00 BSC.
12.00
0.50 BSC.
16.00 BSC.
14.00 BSC.
12.00
0.630 BSC.
0.551 BSC.
0.472
0.02 BSC.
0.630 BSC.
0.551 BSC.
0.472
D1
D2
e
E
E1
E2
L
L1
R1
R2
S
0.45 0.60 0.75 0.0180.0240.030
1.00 REF 0.039 REF
0.08
0.08
0.20
–
–
–
–
0.003
0.20 0.003
0.008
–
–
–
–
0.008
–
–
θ
0° 3.5° 7° 0° 3.5° 7°
0° 0°
11° 12° 13° 11° 12° 13°
11° 12° 13° 11° 12° 13°
–
–
–
–
θ1
θ2
θ3
Seating
Plane
Tolerances of Form and Position
aaa
bbb
ccc
ddd
0.20
0.20
0.08
0.08
0.008
0.008
0.003
0.003
Note:
Control dimensions are in millimeters.
Figure 3. TQFP Package Dimensions
®
IA211050831-19
UNCONTROLLED WHEN PRINTED OR COPIED
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