TCA6416
Overview
This 16-bit I/O expander for the two-line bidirectional bus (I2C) is designed to provide general-purpose remote I/O expansion for most microcontroller families via the I2C interface [serial clock (SCL) and serial data (SDA)]. Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TSSOP (24) 7.80 mm × 4.40 mm TCA6416 WQFN (24) 4.00 mm × 4.
- 1 Operating Power-Supply Voltage Range of 1.65 V to 5.5 V
- Allows Bidirectional Voltage-Level Translation and GPIO Expansion Between: - 1.8-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port - 2.5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port - 3.3-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port - 5-V SCL/SDA and 1.8-V, 2.5-V, 3.3-V, or 5-V P Port
- I2C to Parallel Port Expander
- Low Standby Current Consumption of 1 μA
- Schmitt-Trigger Action Allows Slow Input Transition and Better Switching Noise Immunity at the SCL and SDA Inputs - Vhys = 0.18 V Typ at 1.8 V - Vhys = 0.25 V Typ at 2.5 V - Vhys = 0.33 V Typ at 3.3 V - Vhys = 0.5 V Typ at 5 V
- 5-V Tolerant I/O Ports
- Active-Low Reset (RESET) Input
- Open-Drain Active-Low Interrupt (INT) Output
- 400-kHz Fast I2C Bus
- Input/Output Configuration Register
