TCA6418E
www.ti.com SCPS243 – SEPTEMBER 2012 I2C CONTROLLED 18 CHANNEL GPIO EXPANDER
Check for Samples: TCA6418E FEATURES APPLICATIONS 1 Operating Power-Supply Voltage Range of
1.65 V to 3.6 V
18 GPIOs Configurable as Inputs or Outputs
ESD Protection Exceeds JESD 22 on NonGPIO Pins
– 2000-V Human Body Model (A114-A)
– 1000-V Charged Device Model (C101)
Low Standby (Idle) Current Consumption: 3 ОјA
Supports 1-MHz Fast Mode Plus I2C Bus
Open-Drain Active-Low Interrupt Output,
Asserted When Key is Pressed or Key is
Released
Selectable Debounce Time of 50 Ојs
Schmitt-Trigger Action Allows Slow Input
Transition and Better Switching Noise
Immunity at the SCL and SDA Inputs: Typical
Vhys at 1.8 V is 0.18 V
Latch-Up Performance Exceeds 200 mA Per
JESD 78, Class II
Very Small Package
– WCSP (YFP): 2 mm × 2 mm; 0.4 mm pitch Smart Phones
PDAs …
