PixArt Imaging Inc.

PAS6371LT

CMOS Image Sensor IC

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10

PixArt Imaging Inc.

V1.1,

2008/04/09

I2C

I2C

Standard Mode

Parameter

Symbol

Min.

Max

Unit

SCL clock frequency.

10

400

KHz

Hold time ( repeated ) Start condition.

After this period, the first clock pulse is generated.

4.0

-

µs

Low period of the SCL

clock.

4.7

-

µs

High period of the SCL clock.

0.75

-

µs

Set-up time for a repeated START condition.

4.7

-

µs

Data hold time. For I2C-bus device.

0

3.45

µs

Data set-up time.

250

-

ns

Rise time of both SDA and SCL signals.

30

N.D.

ns

( notel )

Fall time of both SDA and SCL signals.

30

N.D.

ns

( notel )

Set-up time for STOP condition.

4.0

-

µs

Bus free time between a STOP and START.

4.7

-

µs

Capacitive load for each bus line.

1

15

pF

Noise margin at LOW level for each connected device.

( Including hysteresis )

0.1

VDD

-

V

Noise margin at HIGH level for each connected device.

( including hysteresis )

0.2

VDD

-

V

Note : It depends on the “high” period time of SCL.