MCP23018-E/SP View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP23018-E/SP

16-Bit I/O Expander with Open-Drain Outputs

Microchip Technology 

MCP23018/MCP23S18

2.1 DC CHARACTERISTICS

DC Characteristics

Operating Conditions (unless otherwise indicated):

1.8V ≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C

Param

No.

Characteristic

Sym

Min

Typ( 2) Max Units

Conditions

D001 Supply Voltage

VDD

1.8

—

5.5

V

D002 VDD Start Voltage to VPOR

—

Ensure Power-on

Reset

VSS

—

V

D003 VDD Rise Rate to

Ensure Power-on

Reset

SVDD

0.05

—

—

V/ms Design guidance only.

Not tested.

D004 Supply Current

IDD

—

—

1

mA SCL/SCK = 1 MHz

D005 Standby (Idle) current IDDS

—

—

1

µA –40°C ≤ TA ≤ +85°C

—

—

6

µA +85°C ≤ TA ≤ +125°C

Input Low-Voltage

D031 CS, GPIO, SCL/SCK, VIL

VSS

— 0.2 VDD V

SDA, SI, RESET

Input High-Voltage

D041 CS, SCL/SCK, SDA,

VIH

0.8 VDD

—

VDD

V

SI, RESET

GPIO

VIH

0.8 VDD

—

5.5

V

Input Leakage Current

D060 I/O port pins

IIL

—

—

±1

µA VSS ≤ VPIN ≤ VDD,

Output Leakage Current

D065 I/O port pins

ILO

—

—

±1

µA VSS ≤ VPIN ≤ VDD,

D070 GPIO internal pull-up

IPU

—

220

—

µA VDD = 5V, GP Pins = VSS

current

Note 1

Output Low-Voltage

D080 GPIO

VOL

—

—

0.6

V IOL = 8.5 mA, VDD = 4.5V

(open-drain)

INT

—

—

0.6

V IOL = 1.6 mA, VDD = 4.5V

SO, SDA

—

—

0.6

V IOL = 3.0 mA, VDD = 1.8V

SDA

—

—

0.8

V IOL = 3.0 mA, VDD = 4.5V

Output High-Voltage

D090 INT, SO

VOH VDD – 0.7

—

—

V IOH = -3.0 mA, VDD = 4.5V

VDD – 0.7

—

—

IOH = -400 µA, VDD = 1.8V

Capacitive Loading Specs on Output Pins

D101 GPIO, SO, INT

CIO

—

—

50

pF

D102 SDA

CB

—

—

400

pF

Note 1: This parameter is characterized, not 100% tested.

2: Data in the Typical (“Typ”) column is at 5V, +25°C unless otherwise stated.

DS22103A-page 34

© 2008 Microchip Technology Inc.

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