MAX7321AEE+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

MAX7321AEE+

Manufacturer

Analog Devices

Introduction

The MAX7321AEE+ is a versatile interface I/O expander designed for easy communication with microcontrollers via I2C.

Product Features and Performance

Eight configurable I/O ports

I2C serial interface

Interrupt output feature

Power-on reset (POR) function

Open-drain and push-pull output types

Supports up to 20mA output source/sink current

400 kHz clock frequency for I2C

Product Advantages

Allows significant expansion of I/O ports using just two wires

Enables design flexibility with configurable I/Os

Optimized for power-sensitive applications

Robust temperature operation range

Key Technical Parameters

Number of I/O: 8

Interface: I2C

Interrupt Output: Yes

Output Type: Open Drain, Push-Pull

Current - Output Source/Sink: 20mA

Clock Frequency: 400 kHz

Voltage - Supply: 1.71V to 5.5V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Extended temperature range ensures reliable operation in harsh conditions

Complies with industry standard I2C protocol for trusted integration

Compatibility

Compatible with any microcontroller with I2C support

Suitable for use with various voltages (1.71V to 5.5V)

Assorted output types for broader device compatibility

Application Areas

Automation systems

Embedded systems

Industrial controls

Consumer electronics

Product Lifecycle

Active status

No indication of pending discontinuation

Availability of replacements or upgrades determined by manufacturer updates

Several Key Reasons to Choose This Product

Expansion of I/O capabilities without extensive microcontroller reconfiguration

Low power consumption suits battery-powered devices

Wide voltage input range for versatile power supply compatibility

High-current I/O ports accommodate a broad range of peripherals

High reliability and operational safety across a wide temperature spectrum

Easy to mount, surface mount 16-SSOP package for compact designs