STUSB1600 datasheet(25/69 Pages) STMICROELECTRONICS

Numer części	STUSB1600

Szczegółowy opis	Power hubs and docking stations

PDF	69 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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25 / 69 page

DocID028937 Rev 1

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STUSB1600

I2C interface

Figure 5. Write operation

4.2

Timing specifications

The device uses a standard slave I²C channel at speed up to 400 kHz.

Table 15. I²C timing parameters - VDD = 5 V

Symbol

Parameter

Min.

Typ.

Max.

Unit

Fscl

SCL clock frequency

—

400

kHz

thd,sta

Hold time (repeated) START condition

0.6

—

μs

tlow

LOW period of the SCL clock

1.3

—

thigh

HIGH period of the SCL clock

0.6

—

tsu,dat

Setup time for repeated START condition

0.6

—

thd,dat

Data hold time

0.04

0.9

tsu,dat

Data setup time

100

—

Rise time of both SDA and SCL signals

20 + 0.1 Cb

300

Fall time of both SDA and SCL signals

20 + 0.1 Cb

300

tsu,sto

Setup time for STOP condition

0.6

—

μs

tbuf

Bus free time between a STOP and START

condition

1.3

—

Capacitive load for each bus line

—

400

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