KTS1620

Features

• I²C to 24-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

• Smartphones
• Tablets
• Wearables
• Laptops and Desktop computers