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| Part Number | STMPE321QTR | STMPE821QTR |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Product Status | Obsolete | Obsolete |
| Type | Buttons | Buttons |
| Proximity Detection | No | No |
| Number of Inputs | 3 | Up to 8 |
| LED Driver Channels | - | Up to 4 |
| Interface | I²C | I²C |
| Resolution | 7 b | 7 b |
| Voltage - Supply | 1.65V ~ 1.95V | 2.7V ~ 3.6V |
| Current - Supply | 280µA | 350µA |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 12-UFQFN | 16-UFQFN |
| Supplier Device Package | 12-QFN (2.2x1.5) | 16-QFN (2.6x1.8) |
