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PCA9554PW/DG,118
Product Overview
Category
The PCA9554PW/DG,118 belongs to the category of I/O expanders.
Use
It is used to provide additional input/output (I/O) ports for microcontrollers or other digital systems.
Characteristics
- Package: TSSOP
- Essence: I2C-bus controlled 8-bit I/O expander
- Packaging/Quantity: Tape and Reel (3000 units per reel)
Specifications
The PCA9554PW/DG,118 features: - 8 programmable I/O pins - I2C-bus interface - Operating voltage range: 2.3V to 5.5V - Low standby current consumption
Detailed Pin Configuration
The pin configuration of PCA9554PW/DG,118 includes: 1. P00 2. P01 3. P02 4. P03 5. P04 6. P05 7. P06 8. P07 9. SDA 10. SCL 11. A0 12. A1 13. A2 14. GND 15. VCC
Functional Features
- Programmable I/O functionality
- I2C-bus interface for communication with the host system
- Internal power-on reset
- Noise filter on SCL/SDA inputs
Advantages and Disadvantages
Advantages
- Expandability of I/O ports without consuming additional microcontroller pins
- Low standby current consumption
- Simplified interfacing with the host system via I2C-bus
Disadvantages
- Limited number of I/O ports (8 ports)
- Dependency on I2C-bus for communication
Working Principles
The PCA9554PW/DG,118 operates by receiving commands and data from the host system through the I2C-bus interface. It then processes these commands to control the state of its I/O pins based on the received data.
Detailed Application Field Plans
The PCA9554PW/DG,118 finds applications in various fields such as: - Industrial automation - Consumer electronics - Internet of Things (IoT) devices - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models to PCA9554PW/DG,118 include: - MCP23008 - PCF8574 - MAX7311
In conclusion, the PCA9554PW/DG,118 offers a convenient solution for expanding I/O capabilities in digital systems, particularly those requiring I2C-bus interfacing. Its compact package and low power consumption make it suitable for a wide range of applications across different industries.
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Liste 10 perguntas e respostas comuns relacionadas à aplicação de PCA9554PW/DG,118 em soluções técnicas
Question: What is the maximum voltage that PCA9554PW/DG,118 can handle?
Answer: The PCA9554PW/DG,118 can handle a maximum voltage of 5.5V.Question: What is the maximum frequency supported by PCA9554PW/DG,118?
Answer: The maximum frequency supported by PCA9554PW/DG,118 is 400kHz.Question: Can PCA9554PW/DG,118 be used for I2C communication?
Answer: Yes, PCA9554PW/DG,118 supports I2C communication.Question: What is the maximum number of devices that can be connected to PCA9554PW/DG,118?
Answer: PCA9554PW/DG,118 can support up to 8 devices on the bus.Question: Does PCA9554PW/DG,118 have internal pull-up resistors?
Answer: Yes, PCA9554PW/DG,118 has internal pull-up resistors.Question: What is the maximum sink current per channel for PCA9554PW/DG,118?
Answer: The maximum sink current per channel for PCA9554PW/DG,118 is 25mA.Question: Can PCA9554PW/DG,118 be used for driving LEDs?
Answer: Yes, PCA9554PW/DG,118 can be used for driving LEDs.Question: Is PCA9554PW/DG,118 suitable for automotive applications?
Answer: Yes, PCA9554PW/DG,118 is suitable for automotive applications.Question: What is the operating temperature range for PCA9554PW/DG,118?
Answer: The operating temperature range for PCA9554PW/DG,118 is -40°C to +125°C.Question: Can PCA9554PW/DG,118 be used in battery-powered applications?
Answer: Yes, PCA9554PW/DG,118 can be used in battery-powered applications.