BS212C-1 Overview
Description
The BS21x is a series of 1~8 key touch key devices which can detect human body contact using external touch pads. The high level of device integration enable applications to be implemented with a minimum number of external components.
Key Features
- Operating voltage: 2.2V~5.5V
- Low standby current
- Auto-calibration
- Reliable touch detections
- Standby and normal operating modes
- Maximum key on duration time detection
- Adaptive voltage drop function
- Level Hold, selectable active level-low or high
- NMOS output with internal pull-high/CMOS-Direct Output
- Both serial interface and parallel outputs
