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HT16561 - VFD Digital Clock

Description

The HT16561 provides direct drive to VFD panels to implement a 12 hour clock function.

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 General.

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Full PDF Text Transcription

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DataSheet.in HT16561 VFD Digital Clock 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 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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