TEA6422 datasheet(4/10 Pages) STMICROELECTRONICS

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TEA6422

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Figure 2. I²C Bus Timing

I2C BUS CHARACTERISTICS

Symbol

Parameter

Test

Conditions

Min.

Max.

Unit

SCL

VIL

Low Level Input Voltage

- 0.3

+ 1.5

VIH

High Level Input Voltage

3.0

VCC + 0.5

ILI

Input Leakage Current

VI = 0 to VCC

- 10

+ 10

µA

fSCL

Clock Frequency

100

kHz

Input Rise Time

1.5V to 3V

1000

Input Fall Time

3V to 1.5V

300

Input Capacitance

SDA

VIL

Low Level Input Voltage

- 0.3

+ 1.5

VIH

High Level Input Voltage

3.0

VCC + 0.5

ILI

Input Leakage Current

VI = 0 to VCC

- 10

+ 10

µA

Input Capacitance

Input Rise Time

1.5V to 3V

1000

Input Fall Time

3V to 1.5V

300

VOL

Low Level Output Voltage

IOL = 3mA

0.4

Output Fall Time

3V to 1.5V

250

Load Capacitance

400

TIMING

tLOW

Clock Low Period

4.7

µs

tHIGH

Clock High Period

4.0

µs

tSU, DAT

Data Set-up Time

250

tHD, DAT

Data Hold Time

340

tSU, STO

Set-up Time from Clock High to Stop

4.0

µs

tBUF

Start Set-up Time following a Stop

4.7

µs

tHD, STA

Start Hold Time

4.0

µs

tSU, STA

Start Set-up Time following Clock Low-to High

Transition

4.7

µs

(start, stop)

BUF

LOW

HIGH

HD,STA

HD,DAT

SU,DAT

SU,STA

SU,STO

SDA

SCL

SDA

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