鏅傞枔锛�2025/5/6 18:07:12
闁辫畝锛�22
SN54LS279A鏄爆浜�74LS绯诲垪鐨勯洐JK瑙哥櫦(f膩)鍣ㄩ泦鎴愰浕璺紝閲囩敤浣庡姛鑰楄倴鐗瑰熀鏅堕珨绠�-鏅堕珨绠￠倧杓紙LS TTL锛夋妧琛�(sh霉)鍒堕��銆傝┎鑺墖寤ｆ硾鎳夌敤浜庢暩(sh霉)瀛楅浕璺腑浠ュ鐝�(xi脿n)鏅傚簭鎺у埗鍜屾暩(sh霉)鎿�(j霉)瀛樺劜鍔熻兘銆傚畠鍏锋湁鍏╁�嬬崹绔嬬殑JK瑙哥櫦(f膩)鍣ㄥ柈鍏�锛屾瘡鍊嬪柈鍏冮兘鍏峰倷J銆並杓稿叆绔�佹檪閻樿几鍏ョ锛圕锛変互鍙婄洿鎺ョ疆浣嶏紙S锛�銆佸京浣嶏紙R锛夌锛屽彲浠ラ潏娲诲湴妲�(g貌u)寤哄悇绋檪搴忛倧杓浕璺�銆�
銆�銆�閫欎簺瑙哥櫦(f膩)鍣ㄥ湪姝ｈ烦璁婃垨璨犺烦璁婃檪閻樹俊铏熶綔鐢ㄤ笅鏀硅畩鐙�鎱�(t脿i)锛屽苟涓旇兘澶犻�氶亷J鍜孠杓稿叆渚嗗鐝�(xi脿n)闋愯ō鐨勫姛鑳�锛屽缃綅銆佸京浣�銆佷繚鎸佹垨鑰呯炕杞�(zhu菐n)銆傚叾浣庡姛鑰楃壒鎬т娇寰楄┎鍣ㄤ欢闈炲父閬╁悎闇�瑕侀暦鏅傞枔閬嬭鐨勬噳鐢ㄥ牬鍚�銆�
宸ヤ綔闆诲锛�4.75V~5.25V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�12ns锛堝吀鍨嬪��锛屽彇姹轰簬鍏烽珨姊濅欢锛�
銆�銆�鏈�澶у伐浣滈牷鐜囷細30MHz
銆�銆�杓稿叆闆绘祦锛�-0.4mA锛堟渶澶у�硷級
銆�銆�杓稿嚭闆绘祦锛�8mA锛堟渶澶у�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C鑷�+125掳C
銆�銆�灏佽褰㈠紡锛欴IP16銆丼OIC16
SN54LS279A鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 閲囩敤鍏堥�茬殑LS TTL宸ヨ棟鍒堕��锛岀⒑淇濅綆鍔熻�楀拰楂樺彲闈犳��銆�
銆�銆�2. 鎻愪緵鍏╁�嬪畬鍏ㄧ崹绔嬬殑JK瑙哥櫦(f膩)鍣紝鏀寔寰╅洔鐨勬檪搴忛倧杓ō瑷�銆�
銆�銆�3. 鏀寔鍚屾鎿嶄綔妯″紡锛岃兘澶犲湪鏅傞悩鑴堟矕浣滅敤涓嬬簿纰哄垏鎻涚媭鎱�(t脿i)銆�
銆�銆�4. 鐩存帴缃綅鍜屽京浣嶇鍏佽ū鐣版瑷疆鎴栨竻闄よЦ鐧�(f膩)鍣ㄧ媭鎱�(t脿i)銆�
銆�銆�5. 楂橀�熸�ц兘锛屽偝鎾欢閬叉檪闁撶煭锛岄仼鍚堥珮闋绘噳鐢ㄧ挵(hu谩n)澧�銆�
銆�銆�6. 宸ヤ綔婧害鑼冨湇寤ｏ紝閬╂噳鍚勭ó宸ユキ(y猫)鍙婅粛浜嬬礆鎳夌敤闇�姹�銆�
銆�銆�7. 鍙垏鍏朵粬74LS绯诲垪鍣ㄤ欢鐒＄斧鍏煎锛屾柟渚跨郴绲�(t菕ng)闆嗘垚銆�
SN54LS279A鍙噳鐢ㄤ簬澶氱ó闋�(l菒ng)鍩燂細
銆�銆�1. 鏁�(sh霉)瀛楄▓鏁�(sh霉)鍣ㄥ拰鍒嗛牷鍣ㄧ殑瑷▓鑸囧鐝�(xi脿n)銆�
銆�銆�2. 瀵勫瓨鍣ㄥ拰绉讳綅瀵勫瓨鍣ㄤ腑鐨勬暩(sh霉)鎿�(j霉)瀛樺劜鍠厓銆�
銆�銆�3. 闋嗗簭闆昏矾鍙婃檪搴忔帶鍒剁郴绲�(t菕ng)鐨勬(g貌u)寤恒��
銆�銆�4. 閫氫俊瑷倷涓殑淇¤櫉鍚屾铏曠悊銆�
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑瀹氭檪閭忚集妯″銆�
銆�銆�6. 閱�(y墨)鐧傚剙鍣�銆佹脯瑭︽脯閲忚ō鍌欑瓑灏嶇┅(w臎n)瀹氭�у拰绮惧害瑕佹眰杓冮珮鐨勫牬鏅�銆�
SN74LS279A
