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MCP23017T-E/ML
+NomenclatureIC I/O EXPANDER I2C 16B 28QFN
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FabricantTechnologie de micropuce
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Pièce fabricant #MCP23017T-E/ML
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Package QFN-28
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En stock1303
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of I/O | 16 |
| Interface | I²C |
| Interrupt Output | Yes |
| Features | POR |
| Output Type | Push-Pull |
| Current - Output Source / Sink | 25mA |
| Clock Frequency | 1.7 MHz |
| Voltage - Supply | 1.8V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Présentation
Description
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
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
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
Manufacturer
Application
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.