STUSB4710AQ1TR datasheet(17/34 Pages) STMICROELECTRONICS

部品番号	STUSB4710AQ1TR

部品情報	Autonomous USB PD controller with integrated discharge path

PDF	34 Pages

Scroll/Zoom	100%

メーカー	STMICROELECTRONICS [STMicroelectronics]

ホームページ	http://www.st.com

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17 / 34 page

STUSB4710

I²C interface

DocID030499 Rev 4

17/34

Figure 5: Read operation

Figure 6: Write operation

5.2

Timing specifications

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

Table 9: 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

µs

thigh

HIGH period of the SCL clock

0.6

µs

tsu,dat

Setup time for repeated START condition

0.6

µs

thd,dat

Data hold time

0.04

0.9

µs

tsu,dat

Data setup time

100

µs

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

µs

Capacitive load for each bus line

400

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