HT1330 datasheet(5/8 Pages) HOLTEK

номер детали	HT1330

подробное описание детали	3 1/2 Digit Timer Watch

PDF	8 Pages

Scroll/Zoom	100%

производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

Logo

5 / 8 page

Output Waveform

HT1330

August 10, 2000

10 m i n u t es b ef o r e set t i m e i s u p

2 s ec

1 s ec

0 s ec

5 m i n u t e s b e f o r e s et t i m e i s u p

0 s ec

1 s ec

2 s ec

Ti m e i s up

0 s ec

1 s ec

60 s ec

T i m e r b u sy f l ag o u t p u t

VD D

VS S

T i m e r i s c ount i ng up or dow n

62. 5 m s

Once the set time is reached, the alarm will

sound 60 seconds unless it is stopped by users

(by pressing S3), in which case the preset time

of the timer will remain unchanged or at 0:00

depending on the status of the option pin.

Pressing any one of the inputs (S1 or S2 or S3)

will stop the alarm during the period for which

the alarm is sounding.

At 0:00 in the timer mode, the alarm will sound

when S1 and S2 are simultaneously depressed.

This is for the alarm test only.

After the device is powered on, the alarm will

sound two seconds and all segments on the LCD

display panel be illuminated.

HT1330 датащи(PDF) 5 Page - Holtek Semiconductor Inc