MCP23008-ESLASHSS datasheet(22/40 Pages) MICROCHIP

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MCP23008/MCP23S08

DS21919B-page 22

2.1

DC Characteristics

Operating Conditions (unless otherwise indicated):

1.8V

≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +85°C (I-Temp)

4.5V

≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C (E-Temp) (Note 1)

Param

No.

Characteristic

Sym

Min

Typ

Max

Units

Conditions

D001

Supply Voltage

VDD

1.8

—

5.5

D002

VDD Start Voltage to

Ensure Power-on

Reset

VPOR

—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

—

SCL/SCK = 1 MHz

D005

Standby current

IDDS

——

µA

—

µA

4.5V - 5.5V @ +125

°C

(Note 1)

Input Low-Voltage

D030

A0, A1 (TTL buffer)

VIL

VSS

—0.15 VDD

D031

CS, GPIO, SCL/SCK,

SDA, A2, RESET

(Schmitt Trigger)

VSS

—0.2 VDD

Input High-Voltage

D040

A0, A1

(TTL buffer)

VIH

0.25 VDD + 0.8

—

VDD

D041

CS, GPIO, SCL/SCK,

SDA, A2, RESET

(Schmitt Trigger)

0.8 VDD

—VDD

For entire VDD range.

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 weak pull-up

current

IPU

115

µA

VDD = 5V, GP Pins = VSS

–40°C

≤ TA ≤ +85°C

Output Low-Voltage

D080

GPIO

VOL

——

0.6

IOL = 8.5 mA, VDD = 4.5V

INT

—

0.6

IOL = 1.6 mA, VDD = 4.5V

SO, SDA

—

0.6

IOL = 3.0 mA, VDD = 1.8V

SDA

—

0.8

IOL = 3.0 mA, VDD = 4.5V

Output High-Voltage

D090

GPIO, INT, SO

VOH

VDD – 0.7

—

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

——

D102

SDA

——

400

Note 1:

This parameter is characterized, not 100% tested.

MCP23008-E/SS Datasheet(PDF) 22 Page - Microchip Technology

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