![Holtek](/logo/Holtek.png)
Holtek Semiconductor
1/2 Duty VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
1/2 Duty VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
24 Hour System VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
24 Hour System VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
24 Hour System VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
24 Hour System VFD Digital Clock
![Holtek](/logo/Holtek.png)
Holtek Semiconductor
1/2 Duty VFD Digital Clock