The PCA9535CHF,118 is an IC component designed by NXP Semiconductors. It belongs to the PCA953x family, which consists of I2C-bus controlled 16-bit I/O expanders. The PCA9535CHF,118 specifically offers several key features that make it highly versatile and useful in various applications.
1. I2C-Bus Interface: The PCA9535CHF,118 utilizes the I2C-bus interface, allowing for easy communication with other devices in a system.
2. 16-Bit I/O Expander: This IC component provides 16 programmable I/O pins that can be configured as either inputs or outputs based on the application requirements.
3. I/O Configuration: Each individual I/O pin can be individually configured as either an input or an output, giving flexibility in managing different signals in the system.
4. Interrupt Output: The PCA9535CHF,118 has an interrupt output pin that can be used to notify the system controller of any changes in the input status, reducing unnecessary polling and conserving system resources.
5. Polarity Inversion: It supports polarity inversion for each individual input pin. This feature is useful when dealing with active-low signals and simplifies system-level design.
6. Low Standby Current: The IC component has a low standby current consumption, making it suitable for low-power applications where energy efficiency is crucial.
7. Internal Power-On Reset: The PCA9535CHF,118 includes an internal power-on reset circuit that ensures proper initialization of I/O pins upon power-up, eliminating the need for external reset circuitry.
8. Schmitt Trigger Input: The I/O pins have built-in Schmitt Trigger input circuits that provide hysteresis, reducing the chance of noise-induced errors and making the IC more robust in noisy environments.
9. ESD Protection: The PCA9535CHF,118 implements ESD protection on its I/O pins, enhancing the component's reliability and robustness against electrostatic discharge events.
10. 400 kHz Fast I2C-bus Interface: The IC supports a fast I2C-bus interface, allowing for high-speed communication with other devices in the system, making it suitable for demanding applications.
In summary, the PCA9535CHF,118 offers a versatile solution for expanding the number of I/Os in a system, along with features like I2C-bus interface, interrupt output, polarity inversion, low standby
