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MAX7304ETG+T
Product Overview
- Category: Integrated Circuit (IC)
- Use: Digital I/O Expander
- Characteristics: High-speed, low-power, 8-bit I/O expander
- Package: Thin QFN-24
- Essence: Expand the number of available I/O pins in a microcontroller or microprocessor-based system
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage: 1.65V to 5.5V
- Number of I/O Pins: 8
- Maximum Frequency: 400kHz
- Operating Temperature Range: -40°C to +85°C
- RoHS Compliant: Yes
Pin Configuration
The MAX7304ETG+T has a total of 24 pins. The pin configuration is as follows:
- INT
- SDA
- SCL
- GND
- VCC
- NC
- NC
- NC
- IO0
- IO1
- IO2
- IO3
- IO4
- IO5
- IO6
- IO7
- NC
- NC
- NC
- NC
- NC
- NC
- NC
- NC
Functional Features
- Bidirectional I/O ports
- Configurable as inputs or outputs
- Programmable interrupt output
- Software programmable I/O logic polarity inversion
- Internal pull-up resistors
- Low standby current consumption
Advantages and Disadvantages
Advantages: - High-speed operation - Low power consumption - Small package size - Wide operating voltage range
Disadvantages: - Limited number of I/O pins - Not suitable for applications requiring a large number of I/Os
Working Principles
The MAX7304ETG+T is designed to expand the number of available I/O pins in a system. It communicates with the microcontroller or microprocessor through the I2C interface. The device can be configured as either inputs or outputs, and the logic polarity can be inverted if required. The internal pull-up resistors simplify the connection to external devices. The programmable interrupt output allows for efficient event-driven processing.
Detailed Application Field Plans
The MAX7304ETG+T is commonly used in various applications, including but not limited to: - Consumer electronics - Industrial automation - Medical devices - Automotive systems - Internet of Things (IoT) devices
Detailed and Complete Alternative Models
- MCP23008: 8-bit I/O expander with similar features
- PCF8574: 8-bit I/O expander with I2C interface
- SN74HC595: 8-bit shift register with output latches
These alternative models offer similar functionality and can be considered as substitutes for the MAX7304ETG+T depending on specific requirements.
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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem MAX7304ETG+T w rozwiązaniach technicznych
Sure! Here are 10 common questions and answers related to the application of MAX7304ETG+T in technical solutions:
Q: What is MAX7304ETG+T? A: MAX7304ETG+T is a high-performance, 8-channel I/O expander with an I2C interface, commonly used in technical solutions for expanding the number of available input/output pins.
Q: What is the operating voltage range of MAX7304ETG+T? A: The operating voltage range of MAX7304ETG+T is typically between 2.7V and 5.5V.
Q: How many I/O pins does MAX7304ETG+T provide? A: MAX7304ETG+T provides 8 I/O pins that can be configured as inputs or outputs.
Q: What is the maximum current that each I/O pin of MAX7304ETG+T can sink/source? A: Each I/O pin of MAX7304ETG+T can sink/source up to 25mA of current.
Q: Can MAX7304ETG+T be used with both 3.3V and 5V microcontrollers? A: Yes, MAX7304ETG+T is compatible with both 3.3V and 5V microcontrollers, thanks to its wide operating voltage range.
Q: How can I communicate with MAX7304ETG+T using an I2C interface? A: You can communicate with MAX7304ETG+T by connecting it to the SDA (data) and SCL (clock) lines of your microcontroller's I2C bus.
Q: Can I use multiple MAX7304ETG+T devices in the same system? A: Yes, you can use multiple MAX7304ETG+T devices in the same system by assigning unique I2C addresses to each device.
Q: What is the maximum frequency at which I can communicate with MAX7304ETG+T over the I2C bus? A: The maximum frequency for I2C communication with MAX7304ETG+T is typically 400kHz.
Q: Can I configure the I/O pins of MAX7304ETG+T as open-drain outputs? A: Yes, you can configure the I/O pins of MAX7304ETG+T as open-drain outputs by setting the corresponding control registers.
Q: Are there any application examples or reference designs available for MAX7304ETG+T? A: Yes, you can refer to the MAX7304ETG+T datasheet and application notes provided by the manufacturer for detailed application examples and reference designs.
Please note that these answers are general and may vary depending on specific implementation details and requirements. It's always recommended to consult the datasheet and relevant documentation for accurate information.