C8051F50x-F51x
4.3. QFN-40 Package Specifications
Figure 4.5. Typical QFN-40 Package Drawing
Table 4.5. QFN-40 Package Dimensions
Dimension
Min
Typ
Max
Dimension
Min
Typ
Max
A
0.80
0.00
0.18
0.85
0.90
0.05
0.28
E2
L
4.00
0.35
4.10
0.40
4.20
0.45
0.10
0.10
0.10
0.05
0.08
A1
b
0.23
L1
D
D2
6.00 BSC
4.10
aaa
bbb
ddd
eee
4.00
4.20
e
0.50 BSC
6.00 BSC
E
Notes:
1. All dimensions shown are in millimeters (mm) unless otherwise noted.
2. Dimensioning and Tolerancing per ANSI Y14.5M-1994.
3. This drawing conforms to JEDEC Solid State Outline MO-220, variation VJJD-5, except for
features A, D2, and E2 which are toleranced per supplier designation.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body
Components.
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Rev. 1.1