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CDT3345 Datasheet, PDF (1/11 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
90 å¹´ 3 æ 21 æ¥
P. 1
å段輸å
¥åæå®æå¨ IC
â è¦æ ¼èªªæ
CDT3345 æ¯ä»¥å¯æ¹è®å
罩å¼ä¹å¤ç¨®è¼¸åºå
¥
è®åçå°ç¨ Timer ICã
AC/DC çé©ç¨
AC å
è½ä½¿ç¨ 50Hzã60Hz
(1) 3 種è¨å®æé觸ç¼æ¹å¼
(ON/OFF, LEVEL HOLD, ONE SHOT)
(2) 4 åè¨å®æéé·åº¦
(3) 3 å輸åºæ¹å¼
(4) 1 å LED éç
(5) Buzzer é¿è²-4Hz, 10 ç§
(Bi Bi Bi ., Bi Bi Bi ., â¦)
â ç¹ æ§
CMOS 製é æè¡
å·¥ä½é»å£ç¯åï¼1.35~5.00VDC
éæ
é»æµ < 5µA
æ¯çªæ¹å¼ï¼æ¥ æ¯çªé»é» æ AC50/60Hz
4 åæé輸å
¥éµ
(1)å¯è¨å®ï¼
ON/OFF, Level-Hold,
ONE SHOT(Non-Retrig)
(2)å¯è¨å®æéï¼1 åé ~ 24 å°æ
3 å輸åºç«¯
(1). SOURCE, 15mA
(2). SINK
(3). æ¨ TRIAC
1 å LED æ¯ 5 ç§éä¸ä¸ï¼=12mA
CDS æ§å¶ç«¯
åè½æè¿° :
1. å¯èª¿é¨ä»½ï¼
(a). å®æå¨æéç¯åç± 1 åé~60 åé(å¯ç± metal option å¨åä¹ 1~32 åä¹æéï¼å調
æ´å¤æ¥æ¯çªé»é»å¼ï¼å¨å¤æ¥æ¯çªé»é»å¼ä¾å¤æ· AC50/60 æ OSC ç¯åçº 30K~34K
æææï¼æ±ºå®è¨ææé)ï¼ä»¥ä¸èª¿æ´ä»¥æ´åä¸å±¤ mask çºä¸»(metal 層)ã
(b). (i). å¨æ¥æ¯çªé»é»æ LED å¨å®æå¨åä½æéçä¹é±æ :1 ç§ä¸æ¬¡ã5 ç§ä¸æ¬¡ã
(ii). å¨æªæ¥æ¯çªé»é»æ使ç¨çæ
ä¸çºå¸¸äº®ã
2. 觸åæ¹å¼ :
(a). Level-Hold ï¼ æä½ KEY1 æãå¶ãä¸è²ï¼LED éä¸ä¸(4 Hz)éå§è¨æã
ï¼ æ¾é KEY1 å IC OFFã
(b). ON/OFF ï¼ æä½ KEY1 æ Bzãå¶ãä¸è²ï¼LED éä¸ä¸(4 Hz)éå§è¨æã
ï¼ æ¤éæä½ KEY2 æï¼KEY1 ä¹æé OFF æï¼èéå§ KEY2
è¨æ(ãå¶ãä¸è²)ã
(c). ONE SHOT ï¼ è§¸å KEY1ãå¶ãä¸è²ï¼LED1 éä¸ä¸(4 Hz)éå§è¨æã
ï¼ æ¤é觸åå
¶ä» key ç¡æã
3. Buzzer ï¼ è¨å®æéæãå¶ãä¸è²ï¼è§£é¤æãå¶å¶ãäºè²ï¼æéå°æãå¶å¶å¶å¶ãå
è²ï¼æ¯ç§ä¸æ¬¡ï¼æ¥æ¯çªé»é»ææå¯ä½¿ç¨ã
4. ä½¿ç¨ AC æå¯æ¨ TRIACï¼é æ¥æ¯çªé»é»ææå¯ä½¿ç¨ã
5. å¯æ¥ CDSï¼CDS æ Delay åè½ã
CDT-3345 --- 1
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