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CD74HCT640 鏄竴娆鹃洐 D 鍨嬭Ц鐧�(f膩)鍣ㄩ泦鎴愰浕璺�锛屽爆浜� 74HCT 绯诲垪銆傝┎鑺墖鍦ㄦ暩(sh霉)瀛楅浕璺腑甯哥敤浜庢暩(sh霉)鎿�(j霉)瀛樺劜銆佷俊铏熷悓姝ュ拰鍒嗛牷绛夋噳鐢�銆傛瘡鍊嬭Ц鐧�(f膩)鍣ㄥ寘鍚竴鍊嬫檪閻樿几鍏ワ紙CLK锛�銆佹暩(sh霉)鎿�(j霉)杓稿叆锛圖锛�銆佺疆浣嶏紙PRE锛夊拰寰╀綅锛圕LR锛夊姛鑳�锛屼互鍙� Q 鍜岄潪 Q 杓稿嚭銆�
銆�銆�鍏惰ō瑷堝熀浜� CMOS 鎶�琛�锛屽叿鏈変綆鍔熻�楀拰楂樺櫔鑱叉姉鎿惧害鐨勭壒榛�锛岃兘澶犲吋瀹� TTL 鍜� CMOS 闆诲钩杓稿叆銆傞�欑ó鍣ㄤ欢寤ｆ硾鎳夌敤浜庡悇绋秷璨婚闆诲瓙鐢�(ch菐n)鍝�銆侀�氫俊瑷倷鍙婂伐妤�(y猫)鎺у埗闋樺煙銆�
閭忚集绯诲垪锛�74HCT
銆�銆�灏佽椤炲瀷锛欴IP-16, SOIC-16
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� 25ns (鍏稿瀷鍊�)
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�杓稿叆闆绘祦锛毬�1mA
銆�銆�杓稿嚭椹呭嫊鑳藉姏锛氣墺8 mA
銆�銆�闈滄厠(t脿i)闆绘祦锛氣墹1渭A
CD74HCT640 鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 闆� D 鍨嬭Ц鐧�(f膩)鍣ㄧ祼妲嬶紝鏀寔鐛ㄧ珛鐨勬暩(sh霉)鎿�(j霉)瀛樺劜鑸囪檿鐞�銆�
銆�銆�2. 鎻愪緵鐣版缃綅锛圥RE锛夊拰寰╀綅锛圕LR锛夊姛鑳�锛屽厑瑷辩洿鎺ヨō缃垨娓呴櫎瑙哥櫦(f膩)鍣ㄧ媭鎱�(t脿i)锛岃�屼笉渚濊炒鏅傞悩淇¤櫉銆�
銆�銆�3. 杓冨鐨勫伐浣滈浕澹撹寖鍦嶏紙2V 鑷� 6V锛�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧�銆�
銆�銆�4. 楂橀�熸�ц兘锛屽偝鎾欢閬叉檪闁撳儏鐐� 25ns锛岄仼鐢ㄤ簬楂橀�熸暩(sh霉)瀛楅浕璺��
銆�銆�5. 鑹ソ鐨勯浕姘ｅ吋瀹规��锛岃兘澶犺垏 TTL 鍜� CMOS 閭忚集闆诲钩鐒＄斧閫ｆ帴銆�
銆�銆�6. 瀵韩宸ヤ綔鑼冨湇锛�-55掳C 鑷� +125掳C锛�锛岀⒑淇濆湪鎯″姡鐠�(hu谩n)澧冧笅绌�(w臎n)瀹氶亱琛屻��
銆�銆�7. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦娑堣�楋紙鈮�1渭A锛�锛屽欢闀烽浕姹犱緵闆昏ō鍌欑殑浣跨敤澹藉懡銆�
CD74HCT640 鐨勪富瑕佹噳鐢ㄥ牬鏅寘鎷細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閹栧瓨鍜屽瓨鍎�銆�
銆�銆�2. 鏁�(sh霉)瀛椾俊铏熷悓姝ャ��
銆�銆�3. 鍒嗛牷鍣ㄨō瑷�銆�
銆�銆�4. 瑷堟暩(sh霉)鍣ㄩ浕璺寤�銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑淇¤櫉铏曠悊妯″銆�
銆�銆�6. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勬檪閻樼鐞嗗拰鏁�(sh霉)鎿�(j霉)鍌宠几銆�
銆�銆�7. 閫氫俊瑷倷涓殑鏁�(sh霉)鎿�(j霉)绶╂矕鍜屽悓姝ユ搷浣�銆�
銆�銆�鍏堕潏娲绘�у拰鍙潬鎬т娇鍏舵垚鐐鸿ū澶氶浕瀛愮郴绲�(t菕ng)涓殑鏍稿績绲勪欢銆�
74HC640, 74HCT374, CD74HC640
