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AT42QT1050-M
Five-Key Touch Sensor, VQFN-20
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | KEY2 | passive |
| 2 | NC | no_connect |
| 3 | KEY1 | passive |
| 4 | KEY0 | passive |
| 5 | NC | no_connect |
| 6 | NC | no_connect |
| 7 | NC | no_connect |
| 8 | VSS | power_in |
| 9 | VDD | power_in |
| 10 | NC | no_connect |
| 11 | ADDR_SEL | input |
| 12 | SDA | bidirectional |
| 13 | ~{RESET} | input |
| 14 | ~{CHANGE} | open_collector |
| 15 | SCL | input |
| 16 | KEY4 | passive |
| 17 | KEY3 | passive |
| 18 | NC | no_connect |
| 19 | NC | no_connect |
| 20 | NC | no_connect |
| 21 | VSS | passive |
Footprint
ConfirmedPackage_DFN_QFN/VQFN-20-1EP_3x3mm_P0.45mm_EP1.55x1.55mm
Pad Layout
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Pads (25)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |