DL927 Datasheet 4-DIGIT COUNTDOWN/UP TIMER

Manufacturer: JinFengDa

Datasheet Details

s DL927 is an UP/DOWN timer IC.

It can directly drive a standard 4 digit 1/4 duty cycle LCD.

Maximum countdown time is 59:59 or 99:59.

深圳市晶峰达电子科技有限公司 www.jfd-ic.com DL927 DL927 4-DIGIT COUNTDOWN/UP TIMER 1.

Special alarm trigger output for switch control or for driving another melody IC.
Internal voltage doubler.
32,768Hz quartz crystal time base.
Single 1.5V battery operation.
Direct drive buzzer.
4 digit LCD display.
Maximum count 59:59 min or 99:59 min (bonding option).
Just count-down timer repeat function by bonding option.
Minutes and Seconds set independently.
Timer reset when depressing MSET and SSET simultaneously.
Alarm sound 2kHz, 3.

Part Number	Description
DL9089	CMOS Digital Multifunction Controller