鏅傞枔锛�2025/5/10 10:23:29
闁辫畝锛�19
SN74LS121N 鏄竴绋洐鍠┅(w臎n)鎱�(t脿i)澶氳鎸暕鍣紙Monostable Multivibrator锛�锛屽爆浜� 74LS 绯诲垪鐨� TTL 闆嗘垚闆昏矾銆傝┎鑺墖鑳藉鐢熸垚绮剧⒑鐨勫畾鏅傝剤娌栵紝閬╃敤浜庨渶瑕佸柈绌�(w臎n)鎱�(t脿i)瑙哥櫦(f膩)鐨勬噳鐢ㄥ牬鏅�銆傞�氶亷澶栭儴闆婚樆鍜岄浕瀹瑰厓浠�锛屽彲浠ヨ(di脿o)绡�(ji茅)杓稿嚭鑴堟矕瀵害銆�
銆�銆�SN74LS121N 鍏�(n猫i)閮ㄥ寘鍚叐鍊嬬崹绔嬬殑鍠┅(w臎n)鎱�(t脿i)澶氳鎸暕鍣�锛屾瘡鍊嬮兘鍙互鍠崹閰嶇疆骞跺伐浣�銆傚畠甯哥敤浜庢暩(sh霉)鎿�(j霉)閫氫俊銆佷俊铏熻檿鐞嗗拰鑴堟矕鏁村舰绛夐牁鍩�銆�
閭忚集绯诲垪锛�74LS
銆�銆�灏佽褰㈠紡锛欴IP-16
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.75V 鑷� 5.25V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶� 30ns
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆�銆�杓稿叆闆绘祦锛氭渶澶� 卤1mA
銆�銆�杓稿嚭椹�(q奴)鍕曡兘鍔涳細鏈�澶ф簮闆绘祦 8mA锛屾渶澶х亴闆绘祦 16mA
銆�銆�涓婂崌鏅傞枔锛氬吀鍨嬪�� 9ns
銆�銆�涓嬮檷鏅傞枔锛氬吀鍨嬪�� 9ns
SN74LS121N 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 闆欏柈绌�(w臎n)鎱�(t脿i)澶氳鎸暕鍣ㄨō瑷堬紝鏀寔鍏╁�嬬崹绔嬮�氶亾鎿嶄綔銆�
銆�銆�2. 浣跨敤澶栭儴 RC 鍏冧欢瑾�(di脿o)鏁磋几鍑鸿剤娌栧搴�锛屾彁渚涢潏娲绘�с��
銆�銆�3. 蹇�熷偝鎾欢閬叉檪闁�锛岄仼鍚堥珮閫熸暩(sh霉)瀛楁噳鐢�銆�
銆�銆�4. 鑹ソ鐨勫櫔鑱叉姂鍒舵�ц兘锛岀⒑淇濈┅(w臎n)瀹氱殑宸ヤ綔鐙�鎱�(t脿i)銆�
銆�銆�5. 绗﹀悎妯欐簴鐨� TTL 杓稿叆鍜岃几鍑洪浕骞冲吋瀹规��銆�
銆�銆�6. 浣庡姛鑰楄ō瑷�锛屽湪鍏稿瀷姊濅欢涓嬪叿鏈夐珮鏁堢殑鑳借�楄〃鐝�(xi脿n)銆�
銆�銆�7. 宸ヤ綔闆诲鑼冨湇鐙圭獎锛岀⒑淇濆湪 5V 妯欐簴闆绘簮涓嬪彲闈犻亱琛屻��
銆�銆�閫欎簺鐗规�т娇寰� SN74LS121N 鎴愮偤澶氱ó瀹氭檪闆昏矾鍜屼俊铏熸暣褰换鍕欑殑鐞嗘兂閬告搰銆�
SN74LS121N 寤ｆ硾鎳夌敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鑴堟矕灞曞鑸囨暣褰細灏囦笉瑕�(gu墨)鍓囪几鍏ヤ俊铏熻綁(zhu菐n)鎻涚偤绌�(w臎n)瀹氱殑鏂规尝杓稿嚭銆�
銆�銆�2. 瀹氭檪闆昏矾锛氱敤浣滃欢鏅傜敓鎴愬櫒鎴栬剤娌栧搴﹁(di脿o)鍒剁殑鍩虹绲勪欢銆�
銆�銆�3. 鏁�(sh霉)鎿�(j霉)閫氫俊锛氫綔鐐哄悓姝ヤ俊铏熺櫦(f膩)鐢熷櫒鎴栨烤娉㈠櫒鐨勪竴閮ㄥ垎銆�
銆�銆�4. 鍣伈鎶戝埗锛氭秷闄ら枊闂滄姈鍕曟垨鍏朵粬楂橀牷骞叉摼淇¤櫉銆�
銆�銆�5. 娓噺瑷倷锛氶厤鍚堝偝鎰熷櫒浣跨敤锛岀敓鎴愮簿纰虹殑鏅傞枔鍩烘簴銆�
銆�銆�6. 宸ユキ(y猫)鎺у埗锛氬鐝�(xi脿n)瀹氭檪鍔熻兘浠ュ崝(xi茅)瑾�(di脿o)寰╅洔绯荤当(t菕ng)涓殑鍕曚綔銆�
銆�銆�鍏跺鍔熻兘鎬у拰鍙潬鎬т娇鍏舵垚鐐鸿ū澶氶浕瀛愰爡鐩腑涓嶅彲鎴栫己鐨勪竴閮ㄥ垎銆�
SN74S121N, CD4098B, MC14528B
