IA186ES/IA188ES
8-Bit/16-Bit Microcontrollers
Data Sheet
November 15, 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
–
– 1.20 –
– 0.047
A1
0.05 – 0.15 0.002 – 0.006
A2
0.95 1.00 1.05 0.037 0.039 0.041
b
0.17 0.20 0.27 0.007 0.008 0.011
c
0.09 – 0.20 0.004 – 0.008
D
16.00 BSC.
0.630 BSC.
D1
14.00 BSC.
0.551 BSC.
D2
12.00
0.472
e
0.50 BSC.
0.02 BSC.
E
16.00 BSC.
0.630 BSC.
E1
14.00 BSC.
0.551 BSC.
E2
12.00
0.472
L
0.45 0.60 0.75 0.018 0.024 0.030
L1
1.00 REF
0.039 REF
R1
0.08 –
– 0.003 –
–
R2
0.08 – 0.20 0.003 – 0.008
S
0.20 –
– 0.008 –
–
θ
0° 3.5° 7° 0° 3.5° 7°
0° –
–
0°
–
–
θ
1
11° 12° 13° 11° 12° 13°
θ
2
11° 12° 13° 11° 12° 13°
θ
3
Tolerances of Form and Position
aaa
0.20
0.008
bbb
0.20
0.008
ccc
0.08
0.003
ddd
0.08
0.003
Seating
Plane
Note:
Control dimensions are in millimeters.
Figure 3. TQFP Package Dimensions
®
IA211050902-19
UNCONTROLLED WHEN PRINTED OR COPIED
Page 23 of 154
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