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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > SN74F21

SN74F21 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/6/9 11:49:21 鏌ョ湅 闁辫畝锛�3

SN74F21 鏄竴娆鹃洐 3 杓稿叆鑸囬杸(m茅n)鏁�(sh霉)瀛楅倧杓姱鐗�锛屽爆浜� 74 绯诲垪鐨勯珮閫� TTL锛堟櫠楂旂-鏅堕珨绠￠倧杓級鍣ㄤ欢銆傚畠閫氬父鐢ㄤ簬绲勫悎閭忚集闆昏矾瑷�(sh猫)瑷�(j矛)涓�锛岃兘澶�?q奴)宕縁(xi脿n)澶氳几鍏ヤ俊铏�(h脿o)鐨勯倧杓垏閬�(y霉n)绠椼�傞�欐鑺墖寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó闆诲瓙瑷�(sh猫)鍌欏拰宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓�锛屼互瀹屾垚鍩烘湰鐨勯倧杓帶鍒跺姛鑳姐��
銆�銆�SN74F21 鐨勮ō(sh猫)瑷�(j矛)鍩轰簬鍌崇当(t菕ng)鐨� TTL 鎶�琛�(sh霉)锛岀⒑淇濅簡楂樺垏鎻涢�熷害鍜屼綆鍔熻�楃壒鎬э紝鍚屾檪(sh铆)鍏峰倷杓冨挤(qi谩ng)鐨勯﹨(q奴)鍕�(d貌ng)鑳藉姏锛岄仼鐢ㄤ簬澶氱ó鍫�(ch菐ng)鏅��

鍙冩暩(sh霉)

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SN74F21 鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 闆欓�氶亾 3 杓稿叆鑸囬杸(m茅n)瑷�(sh猫)瑷�(j矛)锛屽彲浠ュ悓鏅�(sh铆)铏曠悊鍏╃祫鐛�(d煤)绔嬬殑閭忚集淇¤櫉(h脿o)銆�
銆�銆�2. 楂橀�熸�ц兘锛岄仼鍚堝皪(du矛)闊挎噳(y墨ng)鏅�(sh铆)闁撹姹傝純楂樼殑鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鍚�銆�
銆�銆�3. 鑹ソ鐨勯浕姘ｅ吋瀹规�э紝鍙垏鍏朵粬 TTL 鍜� CMOS 鍣ㄤ欢鐒�(w煤)绺�ｆ帴銆�
銆�銆�4. 灏佽鍫�(ji膩n)鍥鸿�愮敤锛屼究浜庣剨鎺ュ拰瀹夎銆�
銆�銆�5. 杓冧綆鐨勫姛鑰�锛屽湪淇濊瓑鎬ц兘鐨勫悓鏅�(sh铆)娓涘皯鐧�(f膩)鐔卞晱(w猫n)椤�銆�
銆�銆�6. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦�锛岄仼鎳�(y墨ng)涓嶅悓鐠�(hu谩n)澧冩浠朵笅鐨勪娇鐢ㄩ渶姹�銆�

鎳�(y墨ng)鐢�

SN74F21 鍦ㄤ互涓嬮牁(l菒ng)鍩熷叿鏈夊唬娉涚殑鎳�(y墨ng)鐢細
銆�銆�1. 鏁�(sh霉)瀛楅倧杓浕璺腑鐨勪俊铏�(h脿o)铏曠悊鍜屾帶鍒�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栫郴绲�(t菕ng)涓殑閭忚集鍒ゆ柗妯″銆�
銆�銆�3. 瑷�(j矛)绠楁(j墨)澶栧湇瑷�(sh猫)鍌欎腑鐨勬暩(sh霉)鎿�(j霉)鍌宠几璺緫鎺у埗銆�
銆�銆�4. 娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝佷腑鐨勭啊(ji菐n)鍠倧杓亱(y霉n)绠�銆�
銆�銆�5. 閫氫俊瑷�(sh猫)鍌欎腑鐨勪俊铏�(h脿o)鍚屾鍜岀法纰艰В纰兼搷浣�銆�
銆�銆�6. 娓�(c猫)瑭︽脯(c猫)閲�?j墨)x鍣ㄤ腑鐨勯倧杓浕璺儴鍒�銆�

鏇夸唬鍨嬭櫉(h脿o)

SN74LS21, SN74HC21, CD4082

sn74f21鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭�(x煤n)鍍�(ji脿)

sn74f21璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

sn74f21鐢�(ch菐n)鍝�