CP2102/9

Rev. 1.8

13

5. QFN-28 Package Specifications

Figure 3. QFN-28 Package Drawing

Table 10. QFN-28 Package Dimensions

Dimension

Min

Typ

Max

Dimension

Min

Typ

Max

A

0.80

0.90

1.00

L

0.35

0.55

0.65

A1

0.00

0.02

0.05

L1

0.00

—

0.15

A3

0.25 REF

aaa

0.15

b

0.18

0.23

0.30

bbb

0.10

D

5.00 BSC.

ddd

0.05

D2

2.90

3.15

3.35

eee

0.08

e

0.50 BSC.

Z

0.44

E

5.00 BSC.

Y

0.18

E2

2.90

3.15

3.35

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 the JEDEC Solid State Outline MO-220, variation VHHD except for

custom features D2, E2, Z, Y, and L, which are toleranced per supplier designation.

4. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body

Components.