MCP23009ESS datasheet(35/50 Pages) MICROCHIP

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DS22121B-page 35

MCP23009/MCP23S09

TABLE 2-4:

I2C BUS DATA REQUIREMENTS (SLAVE MODE)

I2C™ AC Characteristics

Operating Conditions (unless otherwise indicated):

1.8V

≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C

RPU (SCL, SDA) = 1 k

Ω, CL (SCL, SDA) = 135 pF.

Param

No.

Characteristic

Sym

Min

Typ

Max

Units

Conditions

100

Clock High Time:

THIGH

100 kHz mode

4.0

—

µs

1.8V – 5.5V

400 kHz mode

0.6

—

µs

1.8V – 5.5V

3.4 MHz mode

0.06

—

µs

2.7V – 5.5V

101

Clock Low Time:

TLOW

100 kHz mode

4.7

—

µs

1.8V – 5.5V

400 kHz mode

1.3

—

µs

1.8V – 5.5V

3.4 MHz mode

0.16

—

µs

2.7V – 5.5V

102

SDA and SCL Rise Time:

(Note 1)

100 kHz mode

—

1000

1.8V – 5.5V

400 kHz mode

20 + 0.1 CB(2)

—

300

1.8V – 5.5V

3.4 MHz mode

—

2.7V – 5.5V

103

SDA and SCL Fall Time:

(Note 1)

100 kHz mode

—

300

1.8V – 5.5V

400 kHz mode

20 + 0.1 CB(2)

—

300

1.8V – 5.5V

3.4 MHz mode

—

2.7V – 5.5V

START Condition Setup Time:

TSU:STA

100 kHz mode

4.7

—

µs

1.8V – 5.5V

400 kHz mode

0.6

—

µs

1.8V – 5.5V

3.4 MHz mode

0.16

—

µs

2.7V – 5.5V

START Condition Hold Time:

THD:STA

100 kHz mode

4.0

—

µs

1.8V – 5.5V

400 kHz mode

0.6

—

µs

1.8V – 5.5V

3.4 MHz mode

0.16

—

µs

2.7V – 5.5V

106

Data Input Hold Time:

THD:DAT

100 kHz mode

—

3.45

µs

1.8V – 5.5V

400 kHz mode

—

0.9

µs

1.8V – 5.5V

3.4 MHz mode

—

0.07

µs

2.7V – 5.5V

107

Data Input Setup Time:

TSU:DAT

100 kHz mode

250

—

1.8V – 5.5V

400 kHz mode

100

—

1.8V – 5.5V

3.4 MHz mode

0.01

—

µs

2.7V – 5.5V

STOP Condition Setup Time:

TSU:STO

100 kHz mode

4.0

—

µs

1.8V – 5.5V

400 kHz mode

0.6

—

µs

2.7V – 5.5V

3.4 MHz mode

0.16

—

µs

4.5V – 5.5V

Note 1:

This parameter is characterized, not 100% tested.

CB is specified from 10 to 400 (pF).

This parameter is not applicable in high-speed mode (3.4 MHz).

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