Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| NumberofI/O | 16 |
| Interface | I²C |
| InterruptOutput | Yes |
| Features | POR |
| OutputType | Push-Pull |
| Current-OutputSource/Sink | 25mA |
| ClockFrequency | 1.7 MHz |
| Voltage-Supply | 1.8V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 28-SOIC (0.295, 7.50mm Width) |
Overview
Description
The MCP23017T-E/SO is a 16-bit I/O expander with an I2C interface, manufactured by Microchip Technology. It is part of the MCP23017 series, designed to add more input/output pins to microcontrollers, especially when pin count is a limitation. The chip operates within a voltage range of 1.8V to 5.5V, making it versatile for various applications.
With two 8-bit bidirectional I/O ports, it offers flexibility in configuring each pin as either input or output. The MCP23017T-E/SO supports multiple I2C addresses, allowing up to eight devices on the same I2C bus. It features interrupt-on-change capabilities, making it suitable for applications requiring real-time input monitoring.
The device comes in a 28-pin SOIC package and is suitable for surface-mount technology. It offers robust performance with features like high-speed I2C interface up to 1.7 MHz, internal pull-up resistors, and low current consumption, making it ideal for embedded systems, industrial control, and consumer electronics that require expanded I/O capability.
With two 8-bit bidirectional I/O ports, it offers flexibility in configuring each pin as either input or output. The MCP23017T-E/SO supports multiple I2C addresses, allowing up to eight devices on the same I2C bus. It features interrupt-on-change capabilities, making it suitable for applications requiring real-time input monitoring.
The device comes in a 28-pin SOIC package and is suitable for surface-mount technology. It offers robust performance with features like high-speed I2C interface up to 1.7 MHz, internal pull-up resistors, and low current consumption, making it ideal for embedded systems, industrial control, and consumer electronics that require expanded I/O capability.
Equivalent
Equivalent products to the MCP23017T-E/SO, a 16-bit I/O expander with I2C interface, include:
1. PCF8575 from NXP or Texas Instruments - another 16-bit I/O expander with I2C.
2. MCP23008 from Microchip - an 8-bit alternative for smaller applications.
3. TCA9535 from Texas Instruments - offers 16-bit I/O expansion with I2C.
4. MAX7313 from Maxim Integrated - a similar I/O expander with additional features.
These alternatives vary in features, so check specifications for compatibility with your application.
1. PCF8575 from NXP or Texas Instruments - another 16-bit I/O expander with I2C.
2. MCP23008 from Microchip - an 8-bit alternative for smaller applications.
3. TCA9535 from Texas Instruments - offers 16-bit I/O expansion with I2C.
4. MAX7313 from Maxim Integrated - a similar I/O expander with additional features.
These alternatives vary in features, so check specifications for compatibility with your application.
Features
The MCP23017T-E/SO is a 16-bit I/O expander with I2C interface, designed by Microchip Technology. It features 16 GPIO pins that can be configured as inputs or outputs and are divided into two 8-bit ports (PORTA and PORTB). The device supports three hardware address pins, allowing up to eight devices to be connected on a single I2C bus. It operates over a wide voltage range, typically 1.8V to 5.5V.
The device includes internal pull-up resistors, interrupt-on-change capabilities for all pins, and a configurable interrupt output. It supports both 100 kHz and 400 kHz I2C communication speeds. The MCP23017T-E/SO is packaged in an SOIC-28 package and is suitable for applications requiring additional I/O ports, such as industrial control, consumer electronics, and home automation. It offers features like selectable address, high-speed interface, and efficient power consumption, making it a versatile choice for expanding I/O capabilities in embedded systems.
The device includes internal pull-up resistors, interrupt-on-change capabilities for all pins, and a configurable interrupt output. It supports both 100 kHz and 400 kHz I2C communication speeds. The MCP23017T-E/SO is packaged in an SOIC-28 package and is suitable for applications requiring additional I/O ports, such as industrial control, consumer electronics, and home automation. It offers features like selectable address, high-speed interface, and efficient power consumption, making it a versatile choice for expanding I/O capabilities in embedded systems.
Pinout
The MCP23017T-E/SO is a 16-bit I/O expander with I2C interface. It comes in a 28-pin SOIC package. The pin configuration includes:
- Ports: 16 I/O pins divided into two 8-bit ports, GPA0-GPA7 and GPB0-GPB7.
- I2C Interface: Pins for SCL (serial clock) and SDA (serial data) for I2C communication.
- Address Pins: A0, A1, and A2 for configuring the I2C slave address, allowing up to eight devices on the same bus.
- Interrupt Pins: INTA and INTB for generating interrupts on input changes.
- Power Supply: VDD for power, and VSS for ground.
- Reset Pin: RESET for resetting the device.
The MCP23017T-E/SO allows for additional GPIO ports, making it a versatile option for expanding I/O capabilities in microcontroller applications. It supports features like interrupt-on-change, pull-up resistors, and input polarity inversion. Ideal for applications requiring multiple I/O lines with minimal microcontroller pin usage.
- Ports: 16 I/O pins divided into two 8-bit ports, GPA0-GPA7 and GPB0-GPB7.
- I2C Interface: Pins for SCL (serial clock) and SDA (serial data) for I2C communication.
- Address Pins: A0, A1, and A2 for configuring the I2C slave address, allowing up to eight devices on the same bus.
- Interrupt Pins: INTA and INTB for generating interrupts on input changes.
- Power Supply: VDD for power, and VSS for ground.
- Reset Pin: RESET for resetting the device.
The MCP23017T-E/SO allows for additional GPIO ports, making it a versatile option for expanding I/O capabilities in microcontroller applications. It supports features like interrupt-on-change, pull-up resistors, and input polarity inversion. Ideal for applications requiring multiple I/O lines with minimal microcontroller pin usage.
Manufacturer
The MCP23017T-E/SO is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company focuses on designing and producing a wide range of semiconductor products, which are used in various electronic applications across multiple industries, including automotive, industrial, consumer electronics, and telecommunications. Known for providing reliable and innovative products, Microchip Technology supports its customers with comprehensive development tools, reference designs, and technical documentation to facilitate the integration of their components into diverse systems.
Application
The MCP23017T-E/SO is a versatile I/O expander used in applications requiring additional GPIO ports without increasing microcontroller pin count. It is ideal for home automation systems, where it can manage input from sensors or control outputs like relays and LEDs. In industrial control systems, it helps expand digital interfaces for monitoring and controlling machinery. The device is also used in consumer electronics to manage user interfaces, such as keypads and display controls. Additionally, it finds applications in embedded systems for prototyping and development due to its ease of integration and I2C interface, which simplifies communication with microcontrollers.
Package
The MCP23017T-E/SO is a 28-pin, SOIC (Small Outline Integrated Circuit) package. It's a surface-mount package type used for the MCP23017, which is a 16-bit I/O expander with I2C interface.
