STUSB1602 datasheet(25/55 Pages) STMICROELECTRONICS

部件名	STUSB1602

功能描述	Power hubs and docking stations

PDF	55 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

25 / 55 page

DocID028319 Rev 2

25/55

STUSB1602

I2C interface

Figure 6. Write operation

5.2

Timing specifications

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

Table 14. 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

STUSB1602 数据表(PDF) 25 Page - STMicroelectronics

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