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CDT3345-08 Datasheet, PDF (1/4 Pages) BOWIN ELECTRONIC CO. – 四段輸入倒時定時器IC | |||
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Chip Design Technology
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CDT3345-08
P. 1
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(2) 4 åè¨å®æéé·åº¦
(3) 2 å輸åºæ¹å¼
(4) 1 å LED éç
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(2). SINK
1 å LED æ¯ 5 ç§éä¸ä¸ï¼=12mA
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1. ON/OFF ï¼ æ KEY1 æ Bzãå¶ãä¸è²ï¼LED éä¸ä¸(4 Hz)éå§è¨æã
ï¼ æä¸ä¸ KEY1ï¼è¨æéå§ãå¦åæä¸ä¸ KEY1ï¼ IC å OFF æã
è¨æä¹éæä¸ä¸ KEY2 æï¼KEY1 ä¹æé OFF æï¼èéå§ KEY2 ä¹æé
è¨æã å¦åæä¸ä¸ KEY2ï¼ IC å OFF æã
2. Buzzer ï¼ è¨å®æéæãå¶ãä¸è²ï¼è§£é¤æãå¶å¶ãäºè²ï¼æéå°æãå¶å¶å¶å¶ãå
è²ï¼æ¯ç§ä¸æ¬¡ã
3. LED -- æ¯ 5 ç§éä¸ä¸ï¼å¯ä¾èª¿æ´æé Rosc ä¹åèç¨ã
4. CDS -- CDS æ Delay åè½ã
I IC æç·è
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2
1 16
LED VDD ACS
OSCI 15
OSCO 14
3 BZ1 CDT3345-08 ZC 13
4 BZ2 1670 X 1790 μM OUT1 12
IC åºåº§æ¥ VDD
5 CDS
OUT2 11
TEST1
OUT3 11
TEST2 VSS K1 K2 K3 K4
6
78
9 10
I 16 PIN DIP å
è£
CDT3345-08
VDD 1
16
LED 2
15
BZ1 3
14
BZ2 4
13
CDS 5
12
VSS 6
11
K1 7
10
K2 8
9
ACS
OSCI
OSCO
ZC
OUT1
OUT2
K4
K3
CDT-3345-08 --- 1
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