Datasheet Details
| Part number | HT1330 |
|---|---|
| Manufacturer | Holtek Semiconductor Inc |
| File Size | 98.98 KB |
| Description | 3 1/2 Digit Timer + Watch |
| Datasheet |
 HT1330 Datasheet
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General Description
The HT1330 is a CMOS fabricated LSI chip designed to drive a standard three and 1/2 digit biplexed LCD for a count-up/down timer in watch applications.
The watch and timer are based on a 32768Hz quartz crystal oscillator.
The maximum count-down time is 20 hours with an accuracy of 1 second.
Key Features
- A real time watch A 20-hour adjustable range setting count-down timer 20-minute count-up display cycle time 20 hours of count-up time maximum Auto recycle or manual reset the count-down timer by bonding option Hours and minutes are set independently Real time display in timer mode.
- 5-minute/10-minute pre-alarm DC output and piezo output An internal voltage doubler Busy flag output high in timer counting 3.