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參數(shù)資料
| 型號(hào)： | LC5645N |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | LCD WATCH, UUC34 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 190K |
| 代理商： | LC5645N |
LC5645N
No.1433–6/10
Others
1. Zero blanking .............. Unnecessary 0’s are unlighted.
Unlighted content ....... The 10’s digit of month, date, hours is zero-blanked.
Lighted content ........... 0 in the 10’s digit of minutes, seconds is lighted.
2. Switch input voltage
The INPUT pin contains a floating preventing resistor. VDD is applied to this pin to start operation.
3. 24/12-hour operation mode select
For the 12-hour operation mode, the 24H/12H pin is not bonded. For the 24-hour operation mode, this pin is
bonded.
4. Setting pulse
Each time SW1 is pushed in each setting mode, the display contents are incremented +1. Holding SW1 pushed
causes fast advance at a 4Hz rate to start approximately 1 second later.
5. Switch chattering preventer
Chattering of 30ms or less is prevented. (More than 30ms is considered to be bounding.)
6. Step-up circuit
Two capacitors (0.1
F) are connected externally. The step-up frequency is 512Hz.
7. Initial clear
The circuit is built in. The initial mode can be also entered by pushing SW1 and SW2 simultaneously.
8. LCD output alternating frequency .... 32Hz
Supply current
Unit (capacitance : F)
(Note) Pins not entered are all open.
CI
≤25k
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