MCP4017 datasheet(9/66 Pages) MICROCHIP

номер детали	MCP4017

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DS22147A-page 9

MCP4017/18/19

1.1

I2C Mode Timing Waveforms and Requirements

FIGURE 1-1:

I2C Bus Start/Stop Bits Timing Waveforms.

TABLE 1-1:

I2C BUS START/STOP BITS REQUIREMENTS

FIGURE 1-2:

I2C Bus Data Timing.

I2C AC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

–40

°C ≤ TA ≤ +125°C (Extended)

Operating Voltage VDD range is described in Section 2.0 “Typical

Performance Curves”

Param.

No.

Symbol

Characteristic

Min

Max

Units

Conditions

FSCL

Standard Mode

100

kHz

Cb = 400 pF, 1.8V - 5.5V

Fast Mode

400

kHz

Cb = 400 pF, 2.7V - 5.5V

D102

Bus capacitive

100 kHz mode

—

400

400 kHz mode

—

400

TSU:STA

START condition

100 kHz mode

4700

—

Only relevant for repeated

START condition

Setup time

400 kHz mode

600

—

THD:STA START condition

100 kHz mode

4000

—

After this period the first

clock pulse is generated

Hold time

400 kHz mode

600

—

TSU:STO

STOP condition

100 kHz mode

4000

—

Setup time

400 kHz mode

600

—

THD:STO STOP condition

100 kHz mode

4000

—

Hold time

400 kHz mode

600

—

SCL

SDA

START

Condition

STOP

Condition

Note 1: Refer to specification D102 (Cb) for load conditions.

100

101

103

106

107

109

110

102

SCL

SDA

Out

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