鏅傞枔锛�2025/5/8 13:56:21
闁辫畝锛�20
CD74HC123NSR 鏄竴绋洐鍠┅(w臎n)鎱�(t脿i)澶氳鎸暕鍣�锛屽爆浜� HC锛圚igh-speed CMOS锛夌郴鍒�銆傚畠鐢卞叐鍊嬬崹绔嬬殑鍙噸瑙哥櫦(f膩)鍠┅(w臎n)鎱�(t脿i)澶氳鎸暕鍣ㄧ祫鎴�锛屽唬娉涙噳鐢ㄤ簬鑴堟矕瀹氭檪銆佸欢鏅傜敓鎴愪互鍙婅剤娌栨暣褰㈢瓑鍫存櫙銆�
銆�銆�瑭茶姱鐗囧叿鏈夐珮鍣伈瀹归檺鍜屼綆闈滄厠(t脿i)闆绘祦鐨勭壒榛�锛岄仼鍚堜簬鍚勭ó鏁�(sh霉)瀛楅浕璺噳鐢�銆�
閭忚集椤炲瀷锛欳MOS
銆�銆�宸ヤ綔闆诲鑼冨湇锛�2V 鑷� 6V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�20ns锛堝吀鍨嬪�硷級
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛欼OL = 25mA锛孖OH = -25mA
銆�銆�灏佽椤炲瀷锛歋OIC-16
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�闈滄厠(t脿i)闆绘祦锛氭渶澶�1渭A
CD74HC123NSR 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 鍙噸瑙哥櫦(f膩)鍔熻兘锛屽厑瑷卞湪鐣跺墠鍛ㄦ湡鍏у啀娆¤Ц鐧�(f膩)寤堕暦杓稿嚭鐙�鎱�(t脿i)銆�
銆�銆�2. 鍏ч儴闆嗘垚浜嗙簿纰虹殑鏅傞枔甯告暩(sh霉)闆诲鍣ㄥ拰闆婚樆鍣紝鐒￠渶澶栭儴鍏冧欢鍗冲彲瀵︾従(xi脿n)绌�(w臎n)瀹氬伐浣�銆�
銆�銆�3. 鎻愪緵浜嗗彲瑾跨殑鍠┅(w臎n)鎱�(t脿i)杓稿嚭瀵害锛岄�氶亷澶栨帴闆婚樆鍜岄浕瀹归�茶閰嶇疆銆�
銆�銆�4. 杓稿嚭鍏煎妯欐簴TTL鍜孋MOS闆诲钩锛屼究浜庤垏鍏朵粬閭忚集闆昏矾閫ｆ帴銆�
銆�銆�5. 杓冨鐨勫伐浣滈浕澹撹寖鍦嶅寮蜂簡鍏跺湪涓嶅悓鎳夌敤鍫存櫙涓殑闈堟椿鎬с��
銆�銆�6. 楂橀�熸�ц兘浣垮叾閬╃敤浜庨渶瑕佸揩閫熼熆鎳夌殑绯荤当(t菕ng)銆�
銆�銆�姝ゅ锛岃┎鍣ㄤ欢閭勫叿鍌欒純浣庣殑鍔熻�楋紝鍦ㄥ緟姗熸ā寮忎笅鑳藉椤憲娓涘皯鑳介噺娑堣��銆�
CD74HC123NSR 涓昏鐢ㄤ簬浠ヤ笅闋樺煙锛�
銆�銆�1. 鑴堟矕瀵害瑾垮埗 (PWM) 鎺у埗銆�
銆�銆�2. 寤舵檪闆昏矾瑷▓锛屼緥濡傛寜閸靛幓鎶栧嫊铏曠悊銆�
銆�銆�3. 鏁�(sh霉)鎿�(j霉)閫氫俊涓殑淇¤櫉鍚屾銆�
銆�銆�4. 鏁�(sh霉)瀛楅煶闋昏檿鐞嗕腑鐨勫畾鏅傛帶鍒�銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勫偝鎰熷櫒淇¤櫉铏曠悊銆�
銆�銆�6. 娑堣不椤為浕瀛愮敘鍝佷腑鐢ㄤ綔寤舵檪鎴栧畾鏅傛ā濉�銆�
銆�銆�鐢变簬鍏堕潏娲荤殑瑙哥櫦(f膩)鏂瑰紡鍜岄珮绮惧害杓稿嚭锛岃┎鑺墖骞句箮鍙互婊胯冻鎵�鏈夐渶瑕佸柈绌�(w臎n)鎱�(t脿i)杓稿嚭鐨勬噳鐢ㄩ渶姹�銆�
SN74HC123N, MC14538B, CD74HCT123
