Click to expand full text
DataSheet.in
HT16566 1/2 Duty VFD Digital Clock
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
General Description
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. These include a choice of adjustment modes, including single push increment or 2Hz fast forward functions.