MCP23009TESS datasheet(36/50 Pages) MICROCHIP

36 / 50 page

MCP23009/MCP23S09

DS22121B-page 36

FIGURE 2-7:

SPI INPUT TIMING

109

Output Valid From Clock:

TAA

100 kHz mode

—

3.45

µs

1.8V – 5.5V

400 kHz mode

—

0.9

µs

1.8V – 5.5V

3.4 MHz mode

—

0.18

µs

2.7V – 5.5V

110

Bus Free Time:

TBUF

(NOTE 3)

100 kHz mode

4.7

—

µs

1.8V – 5.5V

400 kHz mode

1.3

—

µs

1.8V – 5.5V

3.4 MHz mode

N/A

—

N/A

µs

2.7V – 5.5V

Bus Capacitive Loading:

(NOTE 2)

100 kHz and 400 kHz

—

400

(Note 1)

3.4 MHz

—

100

(Note 1)

Input Filter Spike

Suppression: (SDA and SCL)

TSP

100 kHz and 400 kHz

—

(Note 1)

3.4 MHz

—

(Note 1)

TABLE 2-4:

I2C BUS DATA REQUIREMENTS (SLAVE MODE) (CONTINUED)

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

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).

SCK

LSB in

MSB in

high impedance

Mode 1,1

Mode 0,0

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