CP2101
Figure 4.2. QFN-28 Package Drawing
Table 4.2. QFN-28 Package Dimensions
Dimension Min
Nom
Max
A
0.80
0.90
1.00
A1
0.03
0.07
0.11
A3
0.25 REF
b
0.18
0.25
0.30
D
5.00 BSC.
D2
2.90
3.15
3.35
e
0.50 BSC.
E
5.00 BSC.
Dimension Min
Nom
Max
E2
2.90
3.15
3.35
L
0.45
0.55
0.65
aaa
0.15
bbb
0.10
ddd
0.05
eee
0.08
Z
0.435
Y
0.18
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 outline MO-243, variation VHHD except for custom features D2, E2, L, Z, and
Y which are toleranced per supplier designation.
4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020C specification for Small Body
Components.
Rev. 1.8
9