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HT16566 PDF预览

HT16566

更新时间: 2024-11-19 03:42:55
品牌 Logo 应用领域
台湾合泰/盛群 - HOLTEK 时钟
页数 文件大小 规格书
8页 130K
描述
1/2 Duty VFD Digital Clock

HT16566 数据手册

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HT16566  
1/2 Duty VFD Digital Clock  
Features  
·
·
VFD display 24 hour clock function  
Integrated voltage regulator permits wide 4V to 18V  
operating voltage range  
·
Directly drive VFD panels at 1/2 Duty cycle  
·
Four levels of illumination control function  
·
4.194304MHz crystal oscillation  
·
30-pin SSOP package  
·
Zero adjust function  
General Description  
The HT16566 provides direct drive to VFD panels to im-  
plement 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 for-  
ward functions. Additional features are provided in the  
form of Blank control, Zero adjustment and four levels of  
illumination control.  
Block Diagram  
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Note: ²*² col indicates a blink colon and col¢ indicates a continuous light colon.  
Rev. 1.00  
1
March 28, 2007  

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