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AB1805
Real-Time Clock, I2C Interface, 4 GPO, QFN-16
Schematic Symbol
Pin Configuration (17 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | ~{RST} | open_collector |
| 2 | WDI | input |
| 3 | ~{EXTR} | input |
| 4 | ~{IRQ2} | open_collector |
| 5 | VBAT | power_in |
| 6 | SDA | bidirectional |
| 7 | SCL | input |
| 8 | CLKOUT/~{IRQ3} | output |
| 9 | VSS | power_in |
| 10 | EXTI | input |
| 11 | FOUT/~{IRQ} | open_collector |
| 12 | ~{TIRQ} | open_collector |
| 13 | VCC | power_in |
| 14 | AF | passive |
| 15 | XO | output |
| 16 | XI | input |
| 17 | VSS | passive |
Footprint
ConfirmedPackage_DFN_QFN/VQFN-16-1EP_3x3mm_P0.5mm_EP1.8x1.8mm
Pad Layout
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Pads (21)
| 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 |