PCA9575HF,118

PCA9575HF,118 is a 16bit I²C-bus and SMBus, level translating, low voltage GPIO with reset and interrupt CMOS device. It provided 16 bits of general-purpose parallel input/output (GPIO) expansion in low-voltage processors and handheld battery-powered mobile applications and was developed to enhance the NXP family of I²C-bus I/O expanders. The improvements include lower supply current, lower operating voltage of 1.1 V to 3.6 V, separate supply rails to allow voltage level translation anywhere between 1.1V and 3.6V, 400KHz clock frequency, and smaller packaging. Any of the 16 I/O ports can be configured as an input or output independent of each other and default on start-up to inputs. Application includes cell phones, media players, multi-voltage environments, battery-operated mobile gadgets, motherboards, servers, RAID systems, industrial control, medical equipment, PLCs, gaming machines, instrumentation, and test measurement.

• Separate supply rails for core logic and each of the two I/O banks provides voltage level shifting
• 1.1V to 3.6V operation with level shifting feature, very low standby current: <lt/> 2μA
• 16 configurable I/O pins organized as 2 banks that default to inputs at power-up
• Independently programmable 100 kΩ pull-up or pull-down for each I/O pin
• Open-drain active low INT output pin allows monitoring logic level change of pins programmed as i/p
• Programmable bus hold provides valid logic level when inputs are not actively driven
• Polarity inversion register allows inversion of the polarity of the I/O pins when read
• Compliant with I²C-bus Standard-mode (100KHz)
• Active LOW reset (RESET, active low) input pin resets device to power-up default state
• HWQFN24 package, ambient temperature range from -40°C to +105°C