| part no. | datasheet | touch key | vdd | operating current at 3v one-key wake-up | operating current at 3v any-key wake-up | key output type | package | serial interface | auto calibration |
|---|---|---|---|---|---|---|---|---|---|
| bs801b | 1-key | 2.2v~5.5v | 1.5μa | -- | level-hold or toggle | sot23-6 | -- | √ | |
| bs801c | 1-key | 2.2v~5.5v | 1.5μa | -- | level-hold or toggle | sot23-6 | -- | √ | |
| bs802b | 2-key | 2.2v~5.5v | -- | 2.0μa | level-hold or toggle | 8sop | -- | √ | |
| bs802c | 2-key | 2.2v~5.5v | -- | 2.0μa | level-hold or toggle | 8sop | -- | √ | |
| bs804b | 4-key | 2.2v~5.5v | 1.5μa | 3.0μa | -- | 8sop | √ | √ | |
| bs804c | 4-key | 2.2v~5.5v | 1.5μa | 3.0μa | level-hold or toggle | 16nsop | √ | √ | |
| bs806b | 6-key | 2.2v~5.5v | 1.5μa | 4.0μa | level-hold | 16nsop | -- | √ | |
| bs806c | 6-key | 2.2v~5.5v | 1.5μa | 4.0μa | level-hold | 16nsop | -- | √ | |
| bs808b | 8-key | 2.2v~5.5v | 1.5μa | 5.0μa | -- | 16nsop | √ | √ | |
| bs808c | 8-key | 2.2v~5.5v | 1.5μa | 5.0μa | level-hold | 20sop/ssop | -- | √ | |
| bs812a-1 | 2-key | 2.2v~5.5v | -- | 2.0μa | active low | sot23-6 | -- | √ | |
| bs813a-1 | 3-key | 2.2v~5.5v | -- | 4.5μa | active low | 8sop | -- | √ | |
| bs814a-1 | 4-key | 2.2v~5.5v | -- | 5.0μa | active low | 10msop | -- | √ | |
| bs814a-2 | 4-key | 2.2v~5.5v | -- | 5.0μa | -- | 8sop | √ | √ | |
| bs816a-1 | 6-key | 2.2v~5.5v | -- | 12μa/6.0μa* | active low/ active high* | 16nsop | -- | √ | |
| bs818a-2 | 8-key | 2.2v~5.5v | -- | 12μa/6.0μa* | binary* | 16nsop | √ | √ | |
| bs8112a-3 | 12-key | 2.2v~5.5v | 6.0μa/3.0μa** | 13μa/6.5μa** | i2c | 16nsop | √ | √ | |
| bs8116a-3 | 16-key | 2.2v~5.5v | 7.0μa/3.5μa** | 17μa/9.0μa** | i2c | 20ssop | √ | √ |
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