General Description
The HT16562 provides direct drive to VFD panels to implement a 12 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. These include a choice of adjustment modes, including single push increment or 2Hz fast for ward functions. Additional features are provided in the form of Blank control, Zero adjustment and four levels of illumination control.

Features
VFD display 12 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