Holtek Semiconductor
1/4 to 1/12 Duty VFD Controller
Holtek Semiconductor
1/2 Duty VFD Digital Clock
Holtek Semiconductor
1/4 to 1/11 Duty VFD Controller
Holtek Semiconductor
24 Hour System VFD Digital Clock
Holtek Semiconductor
VFD Digital Clock
Holtek Semiconductor
1/2 Duty VFD Digital Clock
Holtek Semiconductor
1/8 to 1/16 Duty VFD Controller
Holtek Semiconductor
5x7 Dot Character VFD Controller & Driver