STUSB4700 datasheet(17/32 Pages) STMICROELECTRONICS

Nome de Peças	STUSB4700

Descrição Electrónicos	Smart plugs and wall adapters

PDF	32 Pages

Scroll/Zoom	100%

Fabricante Electrônico	STMICROELECTRONICS [STMicroelectronics]

Página de início	http://www.st.com

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17 / 32 page

STUSB4700

I²C interface

DocID030193 Rev 2

17/32

Figure 3: Read operation

Figure 4: Write operation

5.2

Timing specifications

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

Table 13: 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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