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MCP23009T-E/MG
Introduction
The MCP23009T-E/MG is a versatile and efficient I/O expander belonging to the category of integrated circuits. This device is widely used in various electronic applications due to its unique characteristics and functional features.
Basic Information Overview
- Category: Integrated Circuit
- Use: I/O Expander
- Characteristics: Versatile, Efficient
- Package: 20-TSSOP (0.173", 4.40mm Width)
- Essence: Expand Input/Output Ports
- Packaging/Quantity: Tape & Reel (TR) 2500 per reel
Specifications
The MCP23009T-E/MG offers the following specifications: - 2.7V to 5.5V Operating Voltage - 8-bit Configuration - I2C Interface - High-Speed SPI Interface - 100 kHz, 400 kHz, and 1.7 MHz I2C Compatible - Three Hardware Address Pins
Detailed Pin Configuration
The MCP23009T-E/MG features a detailed pin configuration as follows: 1. A0 - Address Input 2. A1 - Address Input 3. A2 - Address Input 4. INTB - Interrupt Output B 5. INTA - Interrupt Output A 6. RESET - Reset Input 7. SCL - Serial Clock Line 8. SDA - Serial Data Line 9. VSS - Ground 10. GPA0 - General Purpose I/O Port A0 11. GPA1 - General Purpose I/O Port A1 12. GPA2 - General Purpose I/O Port A2 13. GPA3 - General Purpose I/O Port A3 14. GPA4 - General Purpose I/O Port A4 15. GPA5 - General Purpose I/O Port A5 16. GPA6 - General Purpose I/O Port A6 17. GPA7 - General Purpose I/O Port A7 18. VDD - Power Supply
Functional Features
The MCP23009T-E/MG offers the following functional features: - Bidirectional Input/Output Ports - Polarity Inversion Register - Configurable Interrupt Output Pins - Low Standby Current Consumption - Open-Drain Interrupt Output - ESD Protection Exceeds JESD 22
Advantages and Disadvantages
Advantages
- Versatile I/O Expansion Solution
- Low Power Consumption
- Easy Integration with Microcontrollers
Disadvantages
- Limited Number of I/O Ports
- Requires External Pull-Up Resistors for I2C Communication
Working Principles
The MCP23009T-E/MG operates by providing additional input/output ports to a microcontroller through the I2C interface. It allows for seamless expansion of the available I/O ports, enabling enhanced connectivity and functionality in electronic systems.
Detailed Application Field Plans
The MCP23009T-E/MG finds extensive application in various fields, including: - Home Automation Systems - Industrial Control Systems - IoT Devices - Robotics - Consumer Electronics
Detailed and Complete Alternative Models
Some alternative models to the MCP23009T-E/MG include: - MCP23017 - PCF8574 - SX1509 - MAX7311
In conclusion, the MCP23009T-E/MG serves as an essential component in modern electronic systems, offering efficient I/O expansion capabilities and seamless integration with microcontrollers.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de MCP23009T-E/MG em soluções técnicas
What is the maximum voltage rating for MCP23009T-E/MG?
- The maximum voltage rating for MCP23009T-E/MG is 5.5V.How many I/O pins does MCP23009T-E/MG have?
- MCP23009T-E/MG has 16 I/O pins.Can MCP23009T-E/MG be used with both 3.3V and 5V microcontrollers?
- Yes, MCP23009T-E/MG is compatible with both 3.3V and 5V microcontrollers.What is the maximum frequency supported by MCP23009T-E/MG?
- The maximum frequency supported by MCP23009T-E/MG is 100kHz.Is MCP23009T-E/MG suitable for use in automotive applications?
- Yes, MCP23009T-E/MG is suitable for use in automotive applications.Does MCP23009T-E/MG have built-in pull-up resistors?
- Yes, MCP23009T-E/MG has built-in programmable pull-up resistors.Can MCP23009T-E/MG be cascaded to expand the number of I/O pins?
- Yes, MCP23009T-E/MG can be cascaded to expand the number of I/O pins.What is the operating temperature range for MCP23009T-E/MG?
- The operating temperature range for MCP23009T-E/MG is -40°C to 125°C.Does MCP23009T-E/MG support interrupt output?
- Yes, MCP23009T-E/MG supports interrupt output for each I/O pin.Is MCP23009T-E/MG RoHS compliant?
- Yes, MCP23009T-E/MG is RoHS compliant.