鍨嬭櫉(h脿o)锛�74HC74A
銆�銆�绯诲垪锛�74HC
銆�銆�閭忚集鍔熻兘锛氶洐D鍨嬭Ц鐧�(f膩)鍣�
銆�銆�杓稿叆椤炲瀷锛氭柦瀵嗙壒瑙哥櫦(f膩)杓稿叆
銆�銆�杓稿嚭椤炲瀷锛氭帹鎸借几鍑�
銆�銆�宸ヤ綔闆诲�撹寖鍦嶏��2V - 6V
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶�25ns锛堝吀鍨嬪�硷級
銆�銆�闈滄厠(t脿i)闆绘祦锛氭渶澶�1渭A锛堝湪25掳C涓嬶級
銆�銆�杓稿叆婕忛浕娴侊細鏈�澶���1渭A
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛欼OL=8mA锛孖OH=-8mA
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-40掳C 鑷� +85掳C

74HC74A鐨勪富瑕佺壒鎬у寘鎷�锛�
銆�銆�1. 楂橀�烠MOS鎶�琛�(sh霉)纰轰繚鑸嘗S-TTL瀹屽叏鍏煎��銆�
銆�銆�2. 鍏�(n猫i)缃�鏂藉瘑鐗硅Ц鐧�(f膩)杓稿叆鎻愰珮浜嗘姉骞叉摼鑳藉姏锛岀壒鍒ラ仼鐢ㄤ簬鍣�鑱茬��(hu谩n)澧冧笅鐨勪俊铏�(h脿o)铏曠悊銆�
銆�銆�3. 闆欑崹(d煤)绔嬮�氶亾瑷�(sh猫)瑷�(j矛)鍏佽ū鍚屾檪(sh铆)鎺у埗鍏╁��(g猫)涓嶅悓鐨勪俊铏�(h脿o)鎴栨暩(sh霉)鎿�(j霉)銆�
銆�銆�4. 浣庨潨鎱�(t脿i)鍔熻�椾娇鍏堕仼鍚堜究鏀滃紡瑷�(sh猫)鍌欏拰闆绘睜渚涢浕绯荤当(t菕ng)銆�
銆�銆�5. 瀵�闆绘簮闆诲�撹寖鍦嶅�炲��(qi谩ng)浜嗘噳(y墨ng)鐢ㄩ潏娲绘��銆�
銆�銆�6. 婧�搴︾��(w臎n)瀹氭�уソ锛岃兘澶犲湪杓冨��鐨勫伐浣滄韩搴﹁寖鍦嶅収(n猫i)淇濇寔鎬ц兘涓�鑷存�с��
銆�銆�姝ゅ��锛屽叾灏忓瀷鍖栧皝瑁濆舰寮忛��(j矛n)涓�姝ュ劒(y艒u)鍖栦簡PCB甯冨眬瑷�(sh猫)瑷�(j矛)銆�

74HC74A寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閹栧瓨鍜屾毇瀛樺姛鑳�锛屽湪瑷�(j矛)绠楁��(j墨)绯荤当(t菕ng)鍜岄�氫俊瑷�(sh猫)鍌欎腑甯歌��(ji脿n)銆�
銆�銆�2. 鏁�(sh霉)瀛楄▓(j矛)鏁�(sh霉)鍣ㄥ拰闋荤巼鍒嗛牷鍣ㄧ殑瑷�(sh猫)瑷�(j矛)銆�
銆�銆�3. 绌�(w臎n)瀹氭檪(sh铆)閻樹俊铏�(h脿o)鐢熸垚鍙婂悓姝ヨ檿鐞嗐��
銆�銆�4. 鑷�鍕�(d貌ng)鍖栨帶鍒剁郴绲�(t菕ng)涓�鐨勪俊铏�(h脿o)闅旈洟鑸囩珐娌�銆�
銆�銆�5. 閱�(y墨)鐧傚剙鍣�銆佹秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝佸強鍏朵粬灏�(du矛)鍙�闈犳�ц�佹眰杓冮珮鐨勯浕瀛愯�濈疆涓�銆�
銆�銆�鐢变簬鍏跺嚭鑹茬殑闆绘埃鎬ц兘鍜屾��(j墨)姊扮壒鎬�锛岄�欐�捐姱鐗囨垚鐐轰簡鐝�(xi脿n)浠ｉ浕瀛愯ō(sh猫)瑷�(j矛)涓�涓嶅彲鎴栫己鐨勪竴閮ㄥ垎銆�

74HCT74, SN74HC74N, DM74HC74