
F3f4 bridge
70p4z/samsung-f3-f4-usb-adapter
An open hardware + firmware USB to F3/F4 bus adapter. To be able to converse with the Control Layer of Samsung EHS systems

The THVD8000DDF is a RS 485 , RS 422 IC made by Texas Instruments in a TSOT-23-8 package with 8 pins. -40℃~+125℃ 1 1 3V~5.5V 500Kbps 6mA Half-Duplex Transceiver ±16kV TSOT-23-8 RS-485 / RS-422 ICs ROHS.
PCBKit's library has its KiCad symbol (Interface_UART:THVD8000, from KiCad's library) and its footprint (Package_TO_SOT_SMD:SOT-23-8, from KiCad's library), ready for a KiCad board. 50 are in stock at JLCPCB (part C2848812). 4 open-source boards in 3 repositories on GitHub use it.
| Pin | Name | Type |
|---|---|---|
| 1 | R | Output |
| 2 | MODE | Input |
| 3 | F_SET | Input |
| 4 | D | Input |
| 5 | GND | Power in |
| 6 | A | Input/output |
| 7 | B | Input/output |
| 8 | VCC | Power in |

70p4z/samsung-f3-f4-usb-adapter
An open hardware + firmware USB to F3/F4 bus adapter. To be able to converse with the Control Layer of Samsung EHS systems

kimballa/breakout-boards
Panelized breakout boards for SOIC, TSSOP, SOT-23, and more...

kimballa/breakout-boards
Panelized breakout boards for SOIC, TSSOP, SOT-23, and more...
<iframe src="https://pcbkit.io/embed/parts/ti/THVD8000DDF" title="THVD8000DDF in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe><img src="https://pcbkit.io/embed/parts/ti/THVD8000DDF.jpg" alt="THVD8000DDF" width="1200" height="900">[](https://pcbkit.io/parts/ti/THVD8000DDF)Yes. The symbol is Interface_UART:THVD8000 and the footprint Package_TO_SOT_SMD:SOT-23-8, both drawn on this page. PCBKit places them on a board for you when you design with it.
TSOT-23-8, with 8 pins. Its footprint is drawn on this page.
Texas Instruments publishes it: the Datasheet link on this page opens it.
JLCPCB lists it as part C2848812, with 50 in stock; the sellers' links on this page open their listings.
Parts like it in the library: the MAX3362EKA+T by Maxim Integrated (Analog Devices), the THVD8000TDDF by Texas Instruments, the MAX3362EKA#TG16 by Analog Devices and the MAX3060EEKA+T by Maxim Integrated (Analog Devices). Check their datasheets: a part that fits the footprint may still differ in its ratings.
4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.