C8051F989-GM 查看數據表（PDF） - Silicon Laboratories

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C8051F989-GM

Ultra Low Power, 8-2 kB Flash, Capacitive Sensing MCU

Silicon Laboratories 

C8051F99x-C8051F98x

Figure 3.4. 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 0.37

D

3.00 BSC

D2

1.65 1.70 1.75

L1

0.00

—

aaa

—

—

bbb

—

—

ccc

—

e

0.50 BSC

ddd

—

—

E

3.00 BSC

E2

1.65 1.70 1.75

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

38

Rev. 1.0

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