MCP23017T-ESLASHML datasheet(6/42 Pages) MICROCHIP

номер детали	MCP23017T-E/ML

подробное описание детали	16-Bit I/O Expander with Serial Interface

PDF	42 Pages

Scroll/Zoom	100%

производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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6 / 42 page

MCP23017/MCP23S17

DS20001952C-page 6

 2005-2016 Microchip Technology Inc.

FIGURE 1-3:

I2C BUS START/STOP BITS TIMING

FIGURE 1-4:

I2C BUS DATA TIMING

TABLE 1-3:

I2C BUS DATA REQUIREMENTS

I2C Interface AC Characteristics: Unless otherwise noted, 1.8V

V

DD  5.5V at -40C  TA  +125C, RPU (SCL,

SDA) = 1 k

, C

L (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

2.7V – 5.5V

1.7 MHz mode

0.12

—

µs

4.5V – 5.5V

101

Clock Low Time:

TLOW

100 kHz mode

4.7

—

µs

1.8V – 5.5V

400 kHz mode

1.3

—

µs

2.7V – 5.5V

1.7 MHz mode

0.32

—

µs

4.5V – 5.5V

102

SDA and SCL Rise Time:

(1)

100 kHz mode

—

1000

1.8V – 5.5V

400 kHz mode

20 + 0.1 CB

(2)

—

300

2.7V – 5.5V

1.7 MHz mode

—

160

4.5V – 5.5V

103

SDA and SCL Fall Time:

(1)

100 kHz mode

—

300

1.8V – 5.5V

400 kHz mode

20 + 0.1 CB

(2)

—

300

2.7V – 5.5V

1.7 MHz mode

—

4.5V – 5.5V

Note 1:

This parameter is characterized, not 100% tested.

CB is specified to be from 10 to 400 pF.

SCL

SDA

Start

Condition

Stop

Condition

100

101

103

106

107

109

110

102

SCL

SDA

Out

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