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ONSEMI PCA9655EDWR2G 16-bit I/O Expander
The PCA9655E is a 16-bit I/O expander utilizing I2C technology, offering configurable input/output ports with polarity inversion, interrupt signaling, and multiple slave addresses, suitable for expanding microcontroller I/O capabilities in industrial automation and control systems. It defaults to inputs on power-up, features noise filtering, active low interrupt output, and a wide operating voltage range of 1.65 V to 5.5 V. The device supports standard and fast I2C modes, with built-in power-on reset and supports up to 64 device addresses for versatile applications in complex systems.
ONSEMI PCA9655EDWR2G 16-bit I/O Expander Specifications:
- Operating Voltage Range: 1.65 V to 5.5 V
- Supports I2C and SMBus protocols: Standard Mode 100 kHz, Fast Mode 400 kHz, Fast Mode+ 1 MHz
- Number of I/O Pins: 16 (configurable as input/output)
- Default Port States: Inputs at power-up
- Interrupt Output: Active LOW, open-drain
- Polarity Inversion Registers: Port 0 and Port 1
- Configuration Registers: Port 0 and Port 1, set as input or output
- Input/Output Capacitance: 45-46 pF
- ESD Protection: 2000 V Human Body Model
- Temperature Range: -55°C to +125°C
- Maximum Supply Current: 15-20 mA (standby), 400 mA total package limit
- Power-On Reset: Internal POR circuit
- Device Addressing: Up to 64 addresses using 3 address pins (ADA, AD1, AD2)
Buy the ON Semiconductor Series PCA Series I/O Expander: PCA9655E
Purchase the ON Semiconductor PCA9655E online today to enhance your system’s I/O capabilities with a reliable, configurable I2C I/O expander. This device features 16 I/O pins, active low interrupt signaling, polarity inversion, and support for up to 64 device addresses, making it ideal for automation, control, and industrial applications. With a wide voltage range of 1.65 to 5.5 V, noise filtering, and built-in power-on reset, the PCA9655E ensures stable operation and seamless integration into your system, providing flexibility and scalability.
Buy ON Semiconductor PCA9655E now and experience unmatched reliability and performance in I2C-based I/O expansion for industrial automation.
Frequently Asked Questions
Where can I buy ONSEMI PCA9655EDWR2G?
You can click on the BUY or RFQ button to purchase PCA9655EDWR2G from an authorized ONSEMI distributor.
How do I troubleshoot issues or seek technical support for part PCA9655EDWR2G?
You can download the PCA9655EDWR2G datasheet or visit the ONSEMI website for support.
Who is the manufacturer of PCA9655EDWR2G?
ONSEMI