C8051F980-C-GM Datasheet, PDF (40/325 Pages) Silicon Laboratories – Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

C8051F99x-C8051F98x
Figure 3.7. QFN-20 Package Drawing
Table 3.2. QFN-20 Package Dimensions
Dimension Min
Typ
Max
Dimension Min
Typ
A
0.50 0.55 0.60
f
2.53 BSC
A1
0.00 0.02 0.05
L
0.35 0.40
b
0.20 0.25 0.30
c
0.27 0.32 0.375
D
3.00 BSC
D2
1.6
1.70
1.8
L1
0.00
—
aaa
—
—
bbb
—
—
ccc
—
e
0.50 BSC
ddd
—
—
E
3.00 BSC
E2
1.6
1.70
1.8
eee
—
—
Notes:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
Max
0.45
0.10
0.05
0.05
0.08
0.10
0.10
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Rev. 1.2