BS802C Datasheet PDF - Holtek Semiconductor

General Description
The BS801C/02C/04C/06C/08C are a range of 1 to 8 key touch key devices which can detect human body contact using external touch pads. The high level of de vice integration enable applications to be implemented with a minimum number of external components.

FEATUREs
Operating voltage: 2.2V~5.5V
Ultra low current: 3.0Aat3V
Auto-calibration
High reliability touch detection
High PSRR
Output type: Level-hold or Toggle
One-key or Any-key State
Key State Mode set by pins or serial command
Open drain NMOS output
Key status monitored using pins or serial bus