Allicdata Part #: | TCA9554DWT-ND |
Manufacturer Part#: |
TCA9554DWT |
Price: | $ 0.60 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Texas Instruments |
Short Description: | IC I/O EXPANDER I2C 8BIT 16SOIC |
More Detail: | I/O Expander 8 I²C 400kHz |
DataSheet: | TCA9554DWT Datasheet/PDF |
Quantity: | 1000 |
750 +: | $ 0.54943 |
Specifications
Series: | -- |
Part Status: | Active |
Number of I/O: | 8 |
Interface: | I²C |
Interrupt Output: | Yes |
Features: | POR |
Output Type: | Push-Pull |
Current - Output Source/Sink: | -- |
Clock Frequency: | 400kHz |
Voltage - Supply: | 1.65 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C |
Description
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Introduction to TCA9554DWT
TCA9554DWT is an 8-bit I/O Expander from Texas Instruments family of products. It is an I2C bus device that can be used to add 8 additional digital I/O lines to a microcontroller or digital system. TCA9554DWT includes open-drain and push-pull outputs that can be used to interface TTL and CMOS devices.Applications of TCA9554DWT
TCA9554DWT can be used in a variety of applications such as Humidity, temperature, gas and light sensors and in packages such as TO-220, SOIC, and VSSOP. These devices can also be used in HVAC systems, energy management, temperature and pressure control, automotive applications and residential lighting control.TCA9554DWT can also be used in applications where a multi-level property needs to be monitored. These include biomedical applications such as blood pressure monitors and other medical applications. These devices are also used in control and monitoring circuits such as power supply and motor control systems.TCA9554DWT Working Principle
TCA9554DWT is an I2C bus device that is connected to a microcontroller that is also connected to an I/O port expander. The expander is an 8-bit shift register that is used to expand the number of I/O lines for the microcontroller. The expander is connected to the I2C bus through an I2C Serial clock, data line and acknowledge line.The I2C bus is a two-wire interface that allows the microcontroller to communicate with the I/O port expander. The microcontroller is responsible for controlling the I2C bus and the shift register, while the I/O expander is responsible for the actual digital I/O. By using the I2C bus, the microcontroller can control all of the I/O pins and, depending on the configuration, use the same port for all of the I/O pins or different ports for each I/O pin.Conclusion
TCA9554DWT is an 8-bit I/O Expander from Texas Instruments family of products. It is an I2C bus device that can be used to add 8 additional digital I/O lines to a microcontroller or digital system. TCA9554DWT can be used in a variety of applications such as Humidity, temperature, gas and light sensors and in packages such as TO-220, SOIC, and VSSOP. These devices can also be used in HVAC systems, energy management, temperature and pressure control, automotive applications and residential lighting control. TCA9554DWT is an I2C bus device that is connected to a microcontroller that is also connected to an I/O port expander. The I2C bus is responsible for controlling the I2C bus and the shift register, while the I/O expander is responsible for the actual digital I/O.The specific data is subject to PDF, and the above content is for reference
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