HT1330 - 3 1/2 Digit Timer + Watch
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.
The maxi
HT1330 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 ti