AMIS−30622

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8

AC PARAMETERS

Table 6. AC PARAMETERS

Symbol

Pin(s)

Parameter

Test Conditions

Min

Typ

Max

Unit

POWERUP

Power−up time

Guaranteed by design

10

ms

INTERNAL OSCILLATOR

Frequency of internal oscillator

3.6

4.0

4.4

MHz

SDA

SCK

SCL clock frequency

100

kHz

Hold time (repeated) START condition. After

this period the first clock pulse is generated.

4.0

ms

LOW period of the SCK clock

4.7

ms

HIGH period of the SCK clock

4.0

ms

Set−up time for a repeated START condition

4.7

ms

0

(Note 16)

3.45

(Note 17)

ms

Data set−up time

250

ns

Rise time of SDA and SCK signals

1.0

ms

Fall time of SDA and SCK signals

0.3

ms

Set−up time for STOP condition

4.0

ms

Bus free time between STOP and START

condition

4.7

ms

SDA

SCK

SCL clock frequency

360

kHz

Hold time (repeated) START condition. After

this period the first clock pulse is generated.

0.6

ms

LOW period of the SCK clock

1.3

ms

HIGH period of the SCK clock

0.6

ms

Set−up time for a repeated START condition

0.6

ms

0

(Note 16)

0.9

(Note 17)

ms

Data set−up time

100

(Note 18)

ns

Rise time of SDA and SCK signals

20 +

300

ns

Fall time of SDA and SCK signals

20 +

300

ns

Set−up time for STOP condition

0.6

ms

Bus free time between STOP and START

condition

1.3

ms

to still guarantee the rise and fall times of the bus signals.

the undefined region of the falling edge of SCL.

This will automatically be the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the LOW