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CP2103

SINGLE-CHIP USB TO UART BRIDGE

Silicon Laboratories 

CP2103

Table 3. UART and Suspend I/O DC Electrical Characteristics

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

Parameters

Output High Voltage (VOH)

Output Low Voltage (VOL)

Input High Voltage (VIH)

Input Low Voltage (VIL)

Input Leakage Current

Maximum Input Voltage

Conditions

IOH = –10 µA

IOH = –3 mA

IOH = –10 mA

IOL = 8.5 mA

IOL = 10 µA

weak pull-ups enabled

weak pull-ups disabled

Open drain, logic high (1)

Min

VIO – 0.1

VIO – 0.7

—

—

—

2.0

—

—

—

—

Typ

—

—

VIO – 0.8

—

—

—

—

25

—

—

Max

—

—

—

0.6

0.1

—

0.8

50

±1

5.8

UNITS

V

V

V

V

µA

V

Table 4. UART and Suspend I/O DC Electrical Characteristics (Low-Voltage Operation)

VIO = 1.8 V to 3.0 V, –40 to +85 °C unless otherwise specified.

Parameters

Output High Voltage (VOH)

Output Low Voltage (VOL)

Input High Voltage (VIH)

Input Low Voltage (VIL)

Input Leakage Current

Maximum Input Voltage

Conditions

IOH = TBD

IOH = TBD

IOH = TBD

IOL = TBD

IOL = TBD

TBD

Open drain, logic high (1)

Min

TBD

TBD

—

—

—

TBD

—

—

—

Typ

—

—

TBD

—

—

—

—

TBD

—

Max

—

—

—

TBD

TBD

—

TBD

TBD

TBD

UNITS

V

V

V

V

µA

V

Table 5. Reset Electrical Characteristics

–40 to +85 °C unless otherwise specified.

Parameter

Conditions

RST Input High Voltage

RST Input Low Voltage

Minimum RST Low Time to Gen-

erate a System Reset

Min

Typ

0.7 x VIO —

Max Units

—

V

—

— 0.3 x VIO V

15

—

—

µs

6

Preliminary Rev. 0.3

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