Back to browse
AT42QT1070-M
Seven-key Touch Sensor IC, VQFN-20
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | KEY4 | passive |
| 2 | KEY3 | passive |
| 3 | KEY2 | passive |
| 4 | KEY1 | passive |
| 5 | KEY0 | passive |
| 6 | NC | no_connect |
| 7 | NC | no_connect |
| 8 | VSS | power_in |
| 9 | VDD | power_in |
| 10 | NC | no_connect |
| 11 | MODE | input |
| 12 | SDA/OUT0 | bidirectional |
| 13 | ~{RESET} | input |
| 14 | ~{CHANGE}/OUT4 | open_collector |
| 15 | SCL/OUT3 | bidirectional |
| 16 | OUT2/KEY6 | output |
| 17 | OUT1/KEY5 | output |
| 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
—
—
—
—
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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 |