CP2109 查看數據表（PDF） - Silicon Laboratories

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CP2109

SINGLE-CHIP USB-TO-UART BRIDGE

Silicon Laboratories 

CP2102/9

Table 4. UART and Suspend I/O DC Electrical Characteristics

VDD = 3.0 to 3.6 V, –40 to +85 °C unless otherwise specified

Parameter

Baud Rate

Input Leakage Current

CP2102

Output High Voltage

Output Low Voltage

Input High Voltage

Input Low Voltage

CP2109

Output High Voltage

Output Low Voltage

Input High Voltage

Input Low Voltage

Symbol Test Condition

Min

Typ

—

—

IL

—

25

IOH = –10 µA

VDD – 0.1

—

VOH

IOH = –3 mA

VDD – 0.7

—

IOH = –10 mA

—

VDD – 0.8

IOL = 10 µA

—

—

VOL

IOL = 8.5 mA

—

—

IOL = 25 mA

—

1.0

VIH

2.0

—

VIL

—

—

IOH = –10 µA

VDD – 0.1

—

VOH

IOH = –3 mA

VDD – 0.2

—

IOH = –10 mA

—

VDD – 0.4

IOL = 10 µA

—

—

VOL

IOL = 8.5 mA

—

—

IOL = 25 mA

—

0.6

VIH

0.7 x VDD

—

VIL

—

—

Max

921600

50

—

—

—

0.1

0.6

—

—

0.8

—

—

—

0.1

0.4

—

—

0.6

Unit

bps

µA

V

V

V

V

V

V

V

V

Table 5. Reset Electrical Characteristics

–40 to +85 °C unless otherwise specified

Parameter

Symbol Test Condition

Min

Typ

Max Unit

VDD Ramp Time

tRMP Time to VDD ≥ 2.7 V

—

—

1

ms

RST Low Time to Generate a System

Reset

tRSTL

15

—

—

µs

CP2102

RST Input High Voltage

RST Input Low Voltage

CP2109

RST Input High Voltage

RST Input Low Voltage

VIHRESET

VILRESET

VIHRESET

VILRESET

0.7 x VDD

—

—

—

V

— 0.25 x VDD V

0.75 x VDD —

—

V

—

—

0.6

V

8

Rev. 1.8

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