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PCA9698BS
+BOMInterface - I/O Expanders 40 bit GPIO
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Nhà sản xuấtNXP bán dẫn
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Ông. Phần #PCA9698BS
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Bảng dữ liệu PCA9698BS DataSheet
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Description
Key features of the PCA9698BS include:
1. I²C Interface: Compatible with standard-mode, fast-mode, and fast-mode plus I²C-bus, allowing easy interface with other components using I²C protocol.
2. 40 I/O Ports: Provides 40 GPIO ports which can be configured as either inputs or outputs, expanding the I/O capability of a microcontroller.
3. Addressable Registers: Each port can be individually addressed for input or output, making it flexible for varied uses.
4. Interrupt Output: Capable of generating an interrupt signal for changes on any of the input ports, useful for detecting status changes without constant polling.
5. Low Standby Current: Designed for efficiency, with low power consumption ideal for battery-powered devices.
The PCA9698BS is widely used in industrial, consumer, and automotive applications where additional I/O expansion is needed.
Equivalent
1. TCA9539 from Texas Instruments - A 16-bit I/O expander.
2. MCP23017 from Microchip Technology - A 16-bit I/O expander.
3. PCF8575 from NXP - A 16-bit I/O expander.
While they have fewer I/O lines, using multiple chips can achieve similar functionality. Always verify specific requirements like voltage levels and interface compatibility when choosing alternatives.
Features
1. I²C Interface: It operates on a fast-mode I²C-bus interface with speeds up to 1 MHz, allowing efficient communication between devices.
2. 40 I/O Ports: Offers 40 programmable input/output ports which can be independently configured as input or output for flexible design applications.
3. Interrupt Logic with Latched Outputs: Provides interrupt logic on each pin, useful for event-driven applications, with latched outputs to maintain states.
4. Input Polarity Inversion: Allows inversion of input logic levels, enhancing versatility in signal processing.
5. High-drive Capability: Features high-drive capability for directly driving LEDs and other high-current applications without additional buffering.
6. Low Power Consumption: Designed for low power consumption, making it suitable for battery-powered devices.
7. Operating Voltage: Supports a wide operating voltage range from 2.3 V to 5.5 V, accommodating various power supply conditions.
8. Temperature Range: Operates over an industrial temperature range of -40°C to +85°C, suitable for harsh environments.
These features make the PCA9698BS ideal for expanding I/O capabilities in microcontroller applications.
Pinout
Manufacturer
Application
1. Embedded Systems: Expanding I/O capabilities for microcontrollers.
2. Consumer Electronics: Managing multiple input/output signals in devices.
3. Industrial Automation: Monitoring and controlling various sensors and actuators.
4. Automotive Systems: Integrating additional controls and sensors in vehicle electronic systems.
5. Home Automation: Expanding control for smart home devices.
6. Communication Equipment: Handling complex signal routing and control.
Its versatility and I2C compatibility make it suitable for diverse applications requiring efficient I/O expansion.