MCP23009TESS datasheet(31/50 Pages) MICROCHIP

部件名	MCP23009TESS

功能描述	8-Bit I/O Expander with Open-Drain Outputs

PDF	50 Pages

Scroll/Zoom	100%

制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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31 / 50 page

DS22121B-page 31

MCP23009/MCP23S09

2.2

AC CHARACTERISTICS

FIGURE 2-1:

LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS

FIGURE 2-2:

RESET AND DEVICE RESET TIMER TIMING

TABLE 2-1:

RESET AND DEVICE RESET TIMER REQUIREMENTS

AC Characteristics Standard Operating Conditions (unless otherwise specified)

1.8V

≤ VDD ≤ 5.5V at -40°C ≤ TA ≤ +125°C.

Parameter

No.

Sym

Characteristic

Min

Typ(2)

Max

Units

Conditions

TRSTL RESET Pulse Width (low)

—

µs

VDD = 5.0V

THLD

Device active after reset high

—

µs

VDD = 5.0V

TPOR

POR at device power up

—

µs

VDD = 5.0V

TioZ

Output Hi-impedance from

RESET Low

—

µs

Note 1:

This parameter is characterized, not 100% tested.

Data in the Typical (“Typ”) column is at 5V, +25

°C, unless otherwise stated.

135 pF

VDD

SCL and

SDA pin

MCP23009

50 pF

VDD

RESET

Internal

RESET

Output pin

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