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觸摸專用芯片
| P/N | TK-ch | TK-mode | Operation Current | Operation Voltage | LVR | Select Mode | LDO | ext. cap | Package |
| TK8021 | 1-key | CTK | 1.4uA@3V | 1.4V~5.5V | 1.2V/1.9V | Sync/Toggle | √ | √ | SOT23-6 |
| TK8022 | 2-key | CTK | 1.8uA@3V | 1.4V~5.5V | 1.2V/1.9V | Sync/Toggle | √ | √ | SOP8 |
| TK8023 | 3-key | CTK | 2.3uA@3V | 2.1V~5.5V | 1.2V/1.9V | Sync/Toggle | √ | √ | SOP8/MSOP10 |
| TK8811 | 1-key | STK | 1.3uA@3V | 2.2V~5.5V | 2.0V | Direct/Toggle | √ | x | SOT23-6,DFN-6 |
| TK8812 | 2-key | STK | 1.7uA@3V | 2.2V~5.5V | 2.0V | Direct/Toggle | √ | x | SOT23-6 |
| TK8813 | 3-key | STK | 2.1uA@3V | 2.2V~5.5V | 2.0V | Direct/Toggle | √ | x | SOP8 |
| TK8811CS | 1-key | STK | 2.7uA@3V | 2.2V~5.5V | 2.0V | Direct/Toggle | - | x | SOT23-6,DFN-6 |
