KTS1622 Low Voltage 16-Bit I2C-bus I/O Expander

Low Voltage 16-Bit I2C-bus I/O Expander

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Features

  • I2C to 16-bit I/O ports expander
  • 1MHz Fast-mode Plus I2C bus
  • Operating voltage range of 1.65V to 5.5V for both I2C bus and I/O ports
  • Four adjustable I2C slave addresses via ADDR
  • I2C multiple-register group programming with global loop or local loop
  • Active low reset input (RESET)
  • Active low open-drain interrupt output (INT)
  • Internal power-on reset and I2C software reset
  • Noise filter on SCL/SDA inputs
  • Input/Output port configurable
  • Input with polarity/latch/pull-up/pull-down/ interrupt functions
  • Allowing port input voltage above supply
  • Interrupt with trigger/mask/clear/status features
  • Programmable input debounce enable/time
  • Output with bank/pin selectable push-pull or open-drain
  • Bit-wise programmable output drive strength
  • Low standby current of 4µA typical at 3.3V
  • Maximum 25mA driving capability for each port
  • 25-ball 2.0mm x 2.0mm FO-WLP package and 24-pin 4.0mm x 4.0mm TQFN package.

Key Electrical Specifications

Vin(Min) Vin(Max) Max. Drive Current per Channels (mA) Number of I/O Interrupt Out Addresses Operating Temperature Package
1.65V 5.5V 25mA 16 Yes Four -40°C to 85°C FO-WLP55-25
Alternate
TQFN44-24

Typical Application Diagram

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