The PCF8575DBQR is a high-performance, low-power 16-bit I/O expander product from Texas Instruments, a renowned global semiconductor company.

• Voltage Range: Operates on a supply voltage range of 2.5V to 6V.
• Interface: Features an I2C interface that supports standard (100 kHz) and fast (400 kHz) modes.
• Function: Ability to drive 16 separate inputs and outputs while only using two of the microcontroller's pins for communication.
• Feature: Has an interrupt output that can be connected to the interrupt logic of the microcontroller.
• Package: Housed in a compact SSOP (Shrink Small-Outline Package) with 24 pins.
• Current Consumption: Low standby current consumption (only 10μA max).