
Z80-SBC
skiselev/zeta_sbc
Zeta SBC is an Zilog Z80 based single board computer. It is inspired by Ampro Little Board Z80 and N8VEM project. Zeta SBC is software compatible with RomWBW Firmware

The DS1302 is a real Time Clock made by TDD in a SOP-8 package with 8 pins. SOP-8 Real Time Clocks ROHS.
PCBKit's library has its KiCad symbol (adafruit:DS1302, from Eagle libraries) and its footprint (Package_SO:SOP-8_3.76x4.96mm_P1.27mm, from KiCad's library), ready for a KiCad board. 1,936 are in stock at JLCPCB (part C55488570). 21 open-source boards in 17 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | VCC | Power in |
| 2 | X1 | Passive |
| 3 | X2 | Passive |
| 4 | GND | Power in |
| 5 | CE | Input |
| 6 | I/O | Unspecified |
| 7 | SCLK | Input |
| 8 | VBAT | Power in |

skiselev/zeta_sbc
Zeta SBC is an Zilog Z80 based single board computer. It is inspired by Ampro Little Board Z80 and N8VEM project. Zeta SBC is software compatible with RomWBW Firmware

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popovb/zxRebornClock
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<iframe src="https://pcbkit.io/embed/parts/tdd/DS1302" title="DS1302 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/tdd/DS1302.jpg" alt="DS1302" width="1200" height="900">[](https://pcbkit.io/parts/tdd/DS1302)Yes. The symbol is adafruit:DS1302 and the footprint Package_SO:SOP-8_3.76x4.96mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
SOP-8, with 8 pins. Its footprint is drawn on this page.
TDD publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C55488570, with 1,936 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the DS1302Z by JSMSEMI, the BM8563ESA by GATEMODE, the DS1307ZM/TR by HGSEMI and the PCF8563 by IDCHIP. Check their datasheets: a part that fits the footprint may still differ in its ratings.
21 boards in 17 repositories on GitHub; the most starred are listed on this page, with their KiCad files.