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3-wire serial RTC
| Part number | DS1302 Trickle-Charge RTC |
|---|---|
| Category | Integrated Circuits › I/O Expander & Bus ICs |
| Package | DIP-8 |
| Pins | 8 |
DS1302 Trickle-Charge RTC pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | VCC2 | power | |
| 2 | X1 | input | |
| 3 | X2 | input | |
| 4 | GND | ground | |
| 5 | CE | input | |
| 6 | I/O | bidirectional | |
| 7 | SCLK | input | |
| 8 | VCC1 | power |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-8 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.