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HT16561 -- VFD Digital Clock
General Description
The HT16561 provides direct drive to VFD
panels to implement a 12 hour clock function. In addition to
obtaining its time base from a 4.194304MHz crystal oscillation
source and in having a wide operating voltage, 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. Additional features are provided in the form of
Zero adjustment and four levels of contrast control.
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Features
- VFD display 12 hour clock function
- 4.194304MHz crystal oscillation
- Zero adjust function
- Integrated voltage regulator permits wide 4V to 16V
- operating voltage range
- Four level contrast control function
- 44-pin QFP package
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