SD8939
WAVEExtended
-40℃~+105℃ 0.6uA 1.8V~5.5V 600nA External I2C InsideSRAM/NVRAM、Programmable clock output、Alarm function、Locking and tamper-proof、ESD/Overvoltage protection、Periodic interrupt output Yes SOP-8 Real Time Clocks ROHS
- Part id
- wave/SD8939
- Category
- Real Time Clocks
- Package
- SOP-8
- Pins
- 5
- In stock
- 43 at JLCPCB (C48982556)
Overview
The SD8939 is a real Time Clock made by WAVE in a SOP-8 package with 8 pins. -40℃~+105℃ 0.6uA 1.8V~5.5V 600nA External I2C InsideSRAM/NVRAM、Programmable clock output、Alarm function、Locking and tamper-proof、ESD/Overvoltage protection、Periodic interrupt output Yes SOP-8 Real Time Clocks ROHS.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:SD8939, from EasyEDA) and its footprint (Package_SO:SO-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 43 are in stock at JLCPCB (part C48982556).
Symbol
Footprint
Pinout
8| Pin | Name | Type |
|---|---|---|
| 1 | OSCOUT | Unspecified |
| 2 | OSCIN | Unspecified |
| 3 | VBAT | Unspecified |
| 4 | GND | Unspecified |
| 5 | SDA | Unspecified |
| 6 | SCL | Unspecified |
| 7 | INT | Unspecified |
| 8 | VDD | Unspecified |
Parts like it
8
SL1307ZN+T
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SOP-8-40℃~+85℃ 2V~5.5V SPI Yes SOP-8 Real Time Clocks ROHSTDSEMICReal Time ClocksD85163F
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Questions
Is there a KiCad symbol and footprint for the SD8939?
Yes. The symbol is EasyEDA_Cloud:SD8939 and the footprint Package_SO:SO-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SD8939?
SOP-8, with 8 pins. Its footprint is drawn on this page.
Where can I order the SD8939?
JLCPCB lists it as part C48982556, with 43 in stock; the sellers' links on this page open their listings.
What can replace the SD8939?
Parts like it in the library: the SL1307ZN+T by Slkor, the HT1381-TD by TDSEMIC, the D85163F by Silicore and the M41T0M6F-TUDI by Tudi. Check their datasheets: a part that fits the footprint may still differ in its ratings.