STMPE1801BJR - STMicroelectronics

Manufacturer Part Number

STMPE1801BJR

Manufacturer

STMicroelectronics

Introduction

Interface I/O Expander designed for extended input/output capabilities in various electronic applications.

Product Features and Performance

18 expandable I/O pins

I2C Interface for connectivity

Integrated keypad controller functionality

Power-On Reset (POR) feature

Push-Pull output type

Supports clock frequencies up to 400 kHz

Product Advantages

Allows for additional I/Os on microcontroller-based systems

Keypad controller aids in simplifying human-machine interface designs

Interrupt output for increased system responsiveness

Low power consumption suitable for battery-operated devices

Supports a wide range of supply voltages from 1.65V to 3.6V

Key Technical Parameters

Number of I/O: 18

Interface: I2C

Interrupt Output: Yes

Current - Output Source/Sink: 4mA

Clock Frequency: 400 kHz

Voltage - Supply: 1.65V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Designed to operate within the industrial temperature range for high reliability

Compatibility

Compatible with a wide range of microcontroller units via I2C interface

Application Areas

Suitable for extending I/O capabilities in consumer electronics, mobile devices, and embedded systems

Product Lifecycle

Obsolete status, may require customers to seek replacements or alternative solutions

Several Key Reasons to Choose This Product

Increase I/O without major changes to existing hardware

Low power operation ideal for portable and battery-powered applications

Advanced integration features like keypad controller for reduced component count

Broad compatibility and simple interfacing via I2C

Suitable for a wide array of applications requiring expanded I/O functionality