MAX7328AWE Maxim Integrated, MAX7328AWE Datasheet

MAX7328AWE

Manufacturer Part Number

MAX7328AWE

Description

Interface - I/O Expanders

Manufacturer

Maxim Integrated

Series

MAX7328, MAX7329r

Datasheet

1.MAX7328AWE.pdf (13 pages)

Specifications of MAX7328AWE

Mounting Style

SMD/SMT

Package / Case

SOIC-16 Wide

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MAX7328AWE

Manufacturer:

MAXIM/美信

Quantity:

20 000

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The MAX7328/MAX7329 are 2-wire serial-interfaced

peripherals with eight I/O ports. Any port can be used

as a logic input or an open-drain output.

All input ports are continuously monitored for state

changes (transition detection). Transitions are alerted

through the open-drain, 5.5V-tolerant INT output.

The MAX7328 and MAX7329 versions differ only by their

slave ID address ranges. The MAX7328 has a slave ID

range of 0100xxx (0x20 to 0x27). The MAX7329 has a

slave ID range of 0111xxx (0x38 to 0x3F).

For a similar part with overvoltage-protected I/Os and a

bus RST input that clears the I

the MAX7321 data sheet. The MAX7328/MAX7329 are

members of a family of pin-compatible port expanders

with a choice of input ports, open-drain I/O ports, and

push-pull output ports (see the Selector Guide).

19-3829; Rev 0; 10/05

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Automotive

RAID

Servers

Notebooks

Industrial

μC

SDA

SCL

INT

Typical Application Circuit

________________________________________________________________ Maxim Integrated Products

SCL

SDA

INT

AD0

AD1

AD2

+2.5V TO +5.5V

General Description

MAX7328

MAX7329

C Port Expanders with Eight I/O Ports

GND

V+

C serial interface, refer to

47nF

Applications

I/O

♦ 100kHz, 5.5V-Tolerant, I

♦ 2.5V to 5.5V Operating Supply Voltage Range

♦ Low-Standby-Current Consumption of 10µA (max)

♦ I

♦ Open-Drain Interrupt Output INT

♦ 8-Bit Remote I/O Port for the I

♦ Latched Outputs with High-Current-Drive

♦ Address by Three Hardware Address Pins for Use

♦ -40°C to +125°C Automotive Temperature Range

♦ Second Sources to PCF8574 and PCF8574A

*Future product—contact factory for availability.

Devices are available in both leaded and lead-free packaging.

Specify lead free by adding the + symbol at the end of the part

number when ordering.

MAX7328AWE

MAX7328AAP

MAX7328AUP*

MAX7329AWE

MAX7329AAP

MAX7329AUP*

Interface

Capability for Directly Driving LEDs

of Up to Eight Devices (Up to 16 Using Both

MAX7328/MAX7329)

Pin Configurations continued at end of data sheet.

C Bus-to-Parallel-Port Expander

PART

TOP VIEW

GND

AD0

AD1

AD2

-40°C to +125°C

TEMP RANGE

Ordering Information

WIDE SO

MAX7328

MAX7329

Pin Configurations

C-Compatible Serial

PIN-

PACKAGE

16 Wide SO

20 SSOP

20 TSSOP

16 Wide SO

20 SSOP

20 TSSOP

C Bus

V+

SDA

SCL

INT

Features

PKG

CODE

W16-1

A20-5

W16-1

A20-5

—

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