MIC74 Description
The MIC74 is a fully programmable serial-to-parallel I/O expander patible with the SMBus™ (system management bus) protocol. It acts as a “slave” on the bus, providing eight independent I/O lines. Each I/O bit can be individually programmed as an input or output.
MIC74 Key Features
- Provides eight bits of general purpose I/O
- Built in fan speed control logic (optional)
- 2-wire SMBus™/I2C™ patible serial interface plus interrupt output
- 2.7V to 3.6V operating voltage range
- 5V-tolerant I/O
- Low quiescent current: 2µA (typical)
- Bit-programmable I/O options: input or output push-pull or open-drain output interrupt on input changes
- Outputs can directly drive LEDs (10mA IOL)
- Up to 8 devices per bus
MIC74 Applications
- Provides eight bits of general purpose I/O
- Built in fan speed control logic (optional)