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-VQFN Exposed Pad |
Overview
Description
The MCP23017T-E/ML is a versatile I/O expander from Microchip Technology, designed for I2C-compatible systems. It provides 16 additional GPIO pins, effectively expanding the I/O capabilities of a microcontroller. Operating at voltages from 1.8V to 5.5V, this device is suitable for a wide range of applications, including consumer electronics, industrial control, and home automation.
Key features include selectable I2C addresses, allowing up to eight devices on the same bus, and interrupt output pins for managing input changes efficiently. The GPIO pins can be configured as inputs or outputs and support pull-up resistors and polarity inversion, enhancing flexibility in design.
The MCP23017T-E/ML also offers a high-speed I2C interface, supporting data rates up to 1.7 MHz. Its compact TSSOP package makes it suitable for space-constrained applications. Overall, this I/O expander is a cost-effective solution for increasing the I/O capacity of microcontrollers, simplifying circuit design, and reducing the complexity of systems requiring multiple input/output operations.
Key features include selectable I2C addresses, allowing up to eight devices on the same bus, and interrupt output pins for managing input changes efficiently. The GPIO pins can be configured as inputs or outputs and support pull-up resistors and polarity inversion, enhancing flexibility in design.
The MCP23017T-E/ML also offers a high-speed I2C interface, supporting data rates up to 1.7 MHz. Its compact TSSOP package makes it suitable for space-constrained applications. Overall, this I/O expander is a cost-effective solution for increasing the I/O capacity of microcontrollers, simplifying circuit design, and reducing the complexity of systems requiring multiple input/output operations.
Equivalent
The MCP23017T-E/ML is a 16-bit I/O expander with an I2C interface. Equivalent products include:
1. PCA9535 by NXP - 16-bit I/O expander with I2C interface.
2. PCF8575 by NXP - 16-bit I/O expander with I2C interface.
3. TCA9535 by Texas Instruments - 16-bit I/O expander with I2C interface.
4. MAX7313 by Maxim Integrated - 16-bit I/O expander with I2C interface.
These alternatives offer similar functionalities and interfaces for expanding microcontroller I/O capabilities.
1. PCA9535 by NXP - 16-bit I/O expander with I2C interface.
2. PCF8575 by NXP - 16-bit I/O expander with I2C interface.
3. TCA9535 by Texas Instruments - 16-bit I/O expander with I2C interface.
4. MAX7313 by Maxim Integrated - 16-bit I/O expander with I2C interface.
These alternatives offer similar functionalities and interfaces for expanding microcontroller I/O capabilities.
Features
The MCP23017T-E/ML is a 16-bit I/O expander from Microchip Technology. It is designed to enhance microcontrollers by expanding their I/O capabilities through an I2C interface. Key features include:
1. I2C Interface: Supports both 100 kHz and 400 kHz speeds, allowing for flexible integration with various microcontrollers.
2. 16-Bit I/O Expansion: Provides 16 general-purpose I/O pins, which can be individually configured as inputs or outputs.
3. Configurable Pull-Up Resistors: Each I/O pin can be connected to an internal pull-up resistor.
4. Interrupt Output Pins: Includes interrupt capability for port A and port B, which can alert the microcontroller to changes in input states.
5. High-Speed Operation: Capable of operating at up to 1.7 MHz in fast mode plus.
6. Low Standby Current: Efficient power usage with low standby current.
7. Operating Voltage: Supports a range from 1.8V to 5.5V, making it suitable for a variety of applications.
8. Packaging: Comes in a QFN package, which is compact and suitable for space-constrained designs.
These features make the MCP23017T-E/ML an ideal choice for applications requiring additional I/O ports, such as industrial control, home automation, and consumer electronics.
1. I2C Interface: Supports both 100 kHz and 400 kHz speeds, allowing for flexible integration with various microcontrollers.
2. 16-Bit I/O Expansion: Provides 16 general-purpose I/O pins, which can be individually configured as inputs or outputs.
3. Configurable Pull-Up Resistors: Each I/O pin can be connected to an internal pull-up resistor.
4. Interrupt Output Pins: Includes interrupt capability for port A and port B, which can alert the microcontroller to changes in input states.
5. High-Speed Operation: Capable of operating at up to 1.7 MHz in fast mode plus.
6. Low Standby Current: Efficient power usage with low standby current.
7. Operating Voltage: Supports a range from 1.8V to 5.5V, making it suitable for a variety of applications.
8. Packaging: Comes in a QFN package, which is compact and suitable for space-constrained designs.
These features make the MCP23017T-E/ML an ideal choice for applications requiring additional I/O ports, such as industrial control, home automation, and consumer electronics.
Pinout
The MCP23017T-E/ML is a 28-pin I/O expander with I²C interface, manufactured by Microchip Technology. It expands the number of available I/O ports on a microcontroller by 16 additional general-purpose I/O pins. The device features two 8-bit ports (PORTA and PORTB), and each pin can be configured independently as an input or output. It also offers additional features such as interrupt-on-change and internal pull-up resistors for input pins. The MCP23017 supports up to eight devices on the same I²C bus by using configurable address pins. It operates over a wide voltage range from 1.8V to 5.5V, making it versatile for different applications. This chip is commonly used in applications requiring additional I/O capabilities, such as home automation, industrial control, and portable devices.
Manufacturer
The MCP23017T-E/ML is manufactured by Microchip Technology Inc. Microchip Technology is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company offers a broad portfolio of products and solutions to serve a wide range of industries, including automotive, industrial, consumer electronics, and telecommunications. Microchip is known for enabling robust and innovative solutions through its comprehensive product portfolio, which supports embedded control applications.
Application
The MCP23017T-E/ML is a 16-bit I/O expander with an I2C interface, used to increase the number of digital inputs and outputs on a microcontroller. Its application areas include:
1. Home Automation: Managing sensors, switches, and actuators for smart home devices.
2. Industrial Control: Expanding I/O capabilities for machinery monitoring and control systems.
3. Consumer Electronics: Enhancing input/output options in gadgets like keyboards and game controllers.
4. Automotive Systems: Managing signals and controls in vehicle electronic systems.
5. Embedded Systems: Increasing I/O capacity for various embedded applications like robotics and IoT devices.
These applications benefit from its ability to efficiently expand I/O without requiring additional microcontroller pins.
1. Home Automation: Managing sensors, switches, and actuators for smart home devices.
2. Industrial Control: Expanding I/O capabilities for machinery monitoring and control systems.
3. Consumer Electronics: Enhancing input/output options in gadgets like keyboards and game controllers.
4. Automotive Systems: Managing signals and controls in vehicle electronic systems.
5. Embedded Systems: Increasing I/O capacity for various embedded applications like robotics and IoT devices.
These applications benefit from its ability to efficiently expand I/O without requiring additional microcontroller pins.
Package
The MCP23017T-E/ML is a 28-pin QFN (Quad Flat No-leads) package. It is a surface-mount device commonly used in electronics for space-saving designs.
