MCP23017-ESLASHML datasheet(9/42 Pages) MICROCHIP

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 2005-2016 Microchip Technology Inc.

DS20001952C-page 9

MCP23017/MCP23S17

FIGURE 1-7:

GPIO AND INT TIMING

5Data Hold Time

THD

—

1.8V – 5.5V

—

2.7V – 5.5V

6CLK Rise Time

——

µs

Note 1

7CLK Fall Time

——

µs

Note 1

8Clock High Time

THI

—

1.8V – 5.5V

—

2.7V – 5.5V

Clock Low Time

TLO

—

1.8V – 5.5V

—

2.7V – 5.5V

Clock Delay Time

TCLD

—

Clock Enable Time

TCLE

—

Output Valid from Clock Low

—

1.8V – 5.5V

—

2.7V – 5.5V

Output Hold Time

THO

0—

—

Output Disable Time

TDIS

—

100

TABLE 1-4:

SPI INTERFACE REQUIREMENTS (CONTINUED)

SPI Interface AC Characteristics: Unless otherwise noted, 1.8V

V

DD  5.5V at -40C  TA  +125C

Param.

No.

Characteristic

Sym.

Min.

Typ.

Max.

Units

Conditions

Note 1:

This parameter is characterized, not 100% tested.

SCL/SCK

SDA/SI

GPn

LSb of data byte zero

during a write or read

INT

INT Pin Active

command, depending

on parameter

Output

GPn

Input

Inactive

Loaded

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