MCP23S17T-ESLASHSS datasheet(9/42 Pages) MICROCHIP | 16-Bit I/O Expander with Serial Interface

Part No.	MCP23S17T-E/SS

Description	16-Bit I/O Expander with Serial Interface

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Manufacturer	MICROCHIP [Microchip Technology]

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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

20

—

ns

1.8V – 5.5V

10

—

ns

2.7V – 5.5V

6CLK Rise Time

TR

——

2

µs

Note 1

7CLK Fall Time

TF

——

2

µs

Note 1

8Clock High Time

THI

90

—

ns

1.8V – 5.5V

45

—

ns

2.7V – 5.5V

9

Clock Low Time

TLO

90

—

ns

1.8V – 5.5V

45

—

ns

2.7V – 5.5V

10

Clock Delay Time

TCLD

50

—

ns

11

Clock Enable Time

TCLE

50

—

ns

12

Output Valid from Clock Low

TV

—

90

ns

1.8V – 5.5V

—

45

ns

2.7V – 5.5V

13

Output Hold Time

THO

0—

—

ns

14

Output Disable Time

TDIS

—

100

ns

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.

50

SCL/SCK

SDA/SI

In

GPn

D0

D1

LSb of data byte zero

during a write or read

INT

INT Pin Active

51

command, depending

on parameter

Output

GPn

Input

Inactive

53

52

Register

Loaded

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MCP23S17T-E/SS Datasheet(PDF) 9 Page - Microchip Technology

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