Part HT16566
Description 1/2 Duty VFD Digital Clock
Manufacturer Holtek Semiconductor
Size 150.62 KB
Holtek Semiconductor
HT16566

Overview

The HT16566 provides direct drive to VFD panels to implement a 24 hour clock function. Obtaining its time base from a 4.194304MHz crystal oscillation source and in having a wide operating voltage due to its internal voltage regulator, the device also contains a host of other features.

  • VFD display 24 hour clock function
  • Directly drive VFD panels at 1/2 Duty cycle
  • 4.194304MHz crystal oscillation
  • Zero adjust function
  • Integrated voltage regulator permits wide 4V to 18V operating voltage range
  • Four levels of illumination control function
  • 30-pin SSOP package