PCA9673
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and resetPCA9673
Remote 16-bit I/O expander for Fm+ I2C-bus with interrupt and reset
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Shipping & Payment
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Service & Packaging
Service & Packaging
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Initiate the application within 90 days from the shipment date.
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PCA9673 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
The PCA9673 is an I2C-bus controlled 4-bit I/O expander designed to provide General Purpose parallel input/output expansion for microcontroller or microprocessor-based systems. The device consists of a 4-bit Configuration Input register, 4-bit Input register, 4-bit Output register, and 4-bit Polarity Inversion register. Each bit can be independently configured as input or output through software control.The PCA9673 operates from a supply voltage range of 2.3V to 5.5V, making it suitable for a wide range of applications. It can sink/source up to 25mA per pin to drive LEDs, relays, and other low-power devices. The device is also capable of providing Interrupt output to the host microcontroller, allowing for efficient power management by waking up the microcontroller only when necessary.The PCA9673 features a programmable I2C-bus address to support multiple devices on the same bus, making it easy to expand the I/O capabilities of a system. The device has an operating temperature range of -40°C to 85°C and comes in various package options including TSSOP and SOIC.In summary, the PCA9673 is a versatile and efficient I/O expander with I2C-bus interface, suitable for a wide range of applications requiring additional parallel I/O capabilities in a cost-effective and space-efficient manner
Key Features
- 16-bit I2C GPIO expander
- Two programmable I2C slave addresses
- 4 MHz operating frequency
- Low standby current consumption
- Configurable interrupt output
- 8 programmable input or output pins
- Internal power-on reset functionality
- Operating voltage range of 2.3 V to 5.5 V
Application
- Industrial automation
- Home automation
- LED lighting control
- Automotive systems
- Remote monitoring systems
- Robotics
- Sensor interfacing
- IoT devices
- Smart appliances
- Security systems
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
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