EFM32G Data Sheet
QFN32 Package Specifications
11. QFN32 Package Specifications
11.1 QFN32 Package Dimensions
D2
D
25
26
27
28
29
30
31
32
1
24
23
22
21
20
19
18
17
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
32xL
32xb
m
m
G
M
SEATING PLANE
DETAIL G
VIEW ROTATED 90° CLOCKWISE
e
EVEN / ODD TERMINL SIDE
M
Figure 11.1. QFN32
Note:
1. Dimensioning & tolerancing confirm to ASME Y14.5M-1994.
2. All dimensions are in millimeters. Angles are in degrees.
3. Dimension 'b' applies to metallized terminal and is measured between 0.25 mm and 0.30 mm fromthe terminal tip. Dimension L1
represents terminal full back from package edge up to 0.1 mm isacceptable.
4. Coplanarity applies to the exposed heat slug as well as the terminal.
5. Radius on terminal is optional.
Table 11.1. QFN32 (Dimensions in mm)
Symbol
Min
A
A1
0.80 0.00
0.85
0.90 0.05
A3
b
D
E
D2
E2
e
L
L1
aaa
bbb
ccc
ddd
eee
0.25
0.30
0.35
4.30 4.30
4.40 4.40
4.50 4.50
0.30 0.00
0.35
0.203
REF
6.00 6.00
BSC BSC
0.65
BSC
Nom
Max
—
0.10 0.10 0.10 0.05 0.08
0.40 0.10
The QFN32 Package uses Nickel-Palladium-Gold preplated leadframe.
All EFM32 packages are RoHS compliant and free of Bromine (Br) and Antimony (Sb).
For additional Quality and Environmental information, please see: http://www.silabs.com/support/quality/pages/default.aspx
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