STV0299B datasheet(32/36 Pages) STMICROELECTRONICS

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STV0299B

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ELECTRICAL CHARACTERISTICS (continued)

6.5 I2C Bus Characteristics

Figure 12: I

2C bus timing diagram

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VIL

VIH

Low Level Input Voltage

High Level Input Voltage

Pull up to 5 V

±10%

-0.5

2.0

0.8

5.5

VOH

VOL

High Level Output Voltage

Low Level Output Voltage

Pull up to 5 V

±10%

5.5

0.4

ILK

Input Leakage Current

VIN = 0 V to 5 V

-10

µA

CIN

Input Capacitance

3.5

IOL

Output Sink Current

VOL =0.5 V

fSCLN

fSCLS

SCL Clock Frequency

Normal Mode

Standby Mode

fM_CLK/40

fCLK_IN/10

tBUF

Bus Free Time between a STOP and START

Condition

1.3

µs

tHD, STA

Hold Time (repeated) START Condition. After

this period, the first clock pulse is generated.

0.6

µs

tLOW

tHIGH

Low Period of the SCL Clock

High Period of the SCL Clock

1.3

0.6

µs

tSU, STA

Setup Time for a repeated START Condition

0.6

µs

tSU, STO

Setup Time for STOP Condition

0.6

µs

tSU, DAT

Data Setup Time

100

tR, tF

Rise and Fall Time of both SDA and SCL sig-

nals

300

Capacitive Load for each Bus Line

400

BU F

LOW

HIGH

HD ,STA

SU ,DAT

SU ,STA

SU ,STO

SD A

SC L

HD ,STA

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