I

20202417

w = write (SDA = “0”)

r = read (SDA = “1”)

ack = acknowledge (SDA pulled down by either master or slave)

rs = repeated start

id = chip address, 4C hex for LP55271.

I

20202418

I

20202454

I

I

Symbol

Parameter

Limit

Units

Min

Max

1

Hold Time (repeated) START Condition

0.6

µs

2

Clock Low Time

1.3

µs

3

Clock High Time

600

ns

4

Setup Time for a Repeated START Condition

600

ns

5

Data Hold Time (Output direction, delay generated by LP55271)

300

900

ns

5

Data Hold Time (Input direction)

0

900

ns

6

Data Setup Time

100

ns

7

Rise Time of SDA and SCL

20+0.1C

b

300

ns

8

Fall Time of SDA and SCL

15+0.1C

b

300

ns

9

Set-up Time for STOP condition

600

ns

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