• Part: NCA9555B
  • Description: 16-bit I2C-bus I/O port
  • Manufacturer: NOVOSENSE
  • Size: 1.22 MB
NCA9555B Datasheet (PDF) Download
NOVOSENSE
NCA9555B

Key Features

  • I2C to Parallel Port Expander
  • Operating power supply voltage range of 1.65 V to 5.5 V
  • Low standby current
  • Open-drain active-low interrupt output
  • 5.5 V tolerant, 16 I/O ports which default to input mode
  • Compatible with most microcontrollers
  • Up to 400 kHz clock frequency
  • Noise filter on SCL/SDA inputs
  • Polarity Inversion register
  • Internal power-on reset