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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > SN74LS74A

SN74LS74A 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/6 13:59:52 鏌ョ湅 闁辫畝锛�32

SN74LS74A鏄竴绋洐D鍨嬭Ц鐧�(f膩)鍣ㄩ泦鎴愰浕璺紝灞簬TTL锛堟櫠楂旂-鏅堕珨绠￠倧杓級绯诲垪涓殑LS锛堜綆鍔熻�楄倴鐗瑰熀锛夊鏃�銆傚畠寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷堜腑锛岀敤浜庢暩(sh霉)鎿�(j霉)瀛樺劜銆佷俊铏熷悓姝ュ拰鑴堟矕寤堕伈绛夊牬鏅�銆�
銆�銆�姣忓�嬭Ц鐧�(f膩)鍣ㄩ兘鏈夌崹绔嬬殑鏁�(sh霉)鎿�(j霉)杓稿叆(D)銆佹檪閻樿几鍏�(CLK)銆佺疆浣�(S)鍜屽京(f霉)浣�(R)绔彛锛屽苟鎻愪緵Q鍜岄潪Q鍏╃ó浜掕杓稿嚭銆傜敱浜庡叾绌�(w臎n)瀹氭�у拰鍙潬鎬�锛孲N74LS74A鍦ㄥ悇绋伐妤�(y猫)鍜屾秷璨婚闆诲瓙瑷�(sh猫)鍌欎腑寰楀埌浜嗗唬娉涙噳(y墨ng)鐢ㄣ��

鍙冩暩(sh霉)

闆绘簮闆诲(Vcc)锛�4.75V鑷�5.25V
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氱磩22ns
銆�銆�涓婂崌鏅傞枔锛氱磩15ns
銆�銆�涓嬮檷鏅傞枔锛氱磩18ns
銆�銆�鏈�澶ч浕娴�(鍠紩鑵�)锛毬�20mA
銆�銆�灏佽褰㈠紡锛欴IP14/SOIC14

鐗规��

SN74LS74A鍏锋湁浠ヤ笅涓昏鐗归粸锛�
銆�銆�1. 闆欒矾鐛ㄧ珛D鍨嬭Ц鐧�(f膩)鍣ㄨō(sh猫)瑷�锛屽厑瑷卞悓鏅傝檿鐞嗗叐鍊嬩笉鍚岀殑淇¤櫉銆�
銆�銆�2. 鍏峰倷鐣版缃綅鍜屽京(f霉)浣嶅姛鑳�锛屽彲鐩存帴瑷�(sh猫)缃垨娓呴櫎瑙哥櫦(f膩)鍣ㄧ媭鎱�(t脿i)锛岀劇闇�渚濊炒鏅傞悩淇¤櫉銆�
銆�銆�3. 楂橀�熸�ц兘锛岄仼鐢ㄤ簬闋荤巼杓冮珮鐨勬暩(sh霉)瀛楃郴绲�(t菕ng)銆�
銆�銆�4. 鑲栫壒鍩哄伐钘濈⒑淇濊純浣庣殑鍔熻�楀拰鏇撮珮鐨勬姉骞叉摼鑳藉姏銆�
銆�銆�5. 鎻愪緵妯欐簴鐨�14閲濆皝瑁濆舰寮�锛屼究浜庡畨瑁濆拰浣跨敤銆�
銆�銆�6. 杓稿嚭鐐轰簰瑁滀俊铏�(Q鍜�/Q)锛屽鍔犱簡闆昏矾瑷�(sh猫)瑷堥潏娲绘��銆�

鎳�(y墨ng)鐢�

SN74LS74A鐨勬噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熼潪甯稿唬娉涳紝鍖呮嫭浣嗕笉闄愪簬锛�
銆�銆�1. 瑷堟暩(sh霉)鍣ㄥ拰鍒嗛牷鍣ㄩ浕璺�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閹栧瓨鍜屾毇瀛�
銆�銆�3. 鍚屾闆昏矾瑷�(sh猫)瑷�
銆�銆�4. 鏁�(sh霉)瀛椾俊铏熻檿鐞�
銆�銆�5. 宸ユキ(y猫)鎺у埗鍜岃嚜鍕曞寲
銆�銆�6. 娑堣不椤為浕瀛愮敘(ch菐n)鍝�锛屽瀹剁敤闆诲櫒鍜岄煶闋昏ō(sh猫)鍌�
銆�銆�7. 瑷堢畻姗熷鍦嶈ō(sh猫)鍌欏拰閫氫俊鎺ュ彛
銆�銆�鐢变簬鍏跺鍔熻兘鎬у拰鍙潬鎬�锛孲N74LS74A鎴愮偤浜嗚ū澶氬伐绋嬪斧棣栭伕鐨勯�氱敤瑙哥櫦(f膩)鍣ㄨ姱鐗囥��

鏇夸唬鍨嬭櫉

74LS74, CD74HC74A, SN74HCT74A

sn74ls74a鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉
  • 瑭㈠児

sn74ls74a璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級