閭忚集绯诲垪锛�74LS
銆�銆�灏佽�濆舰寮忥細DIP-16
銆�銆�宸ヤ綔闆诲�撹寖鍦嶏��4.75V 鑷� 5.25V
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶� 30ns
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��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�(d貌ng)鑳藉姏锛氭渶澶ф簮闆绘祦 8mA锛屾渶澶х亴闆绘祦 16mA
銆�銆�涓婂崌鏅�(sh铆)闁擄細鍏稿瀷鍊� 9ns
銆�銆�涓嬮檷鏅�(sh铆)闁擄細鍏稿瀷鍊� 9ns

SN74LS121N 鐨勪富瑕佺壒鎬у寘鎷�锛�
銆�銆�1. 闆欏柈绌�(w臎n)鎱�(t脿i)澶氳�ф尟钑╁櫒瑷�(sh猫)瑷�(j矛)锛屾敮鎸佸叐鍊�(g猫)鐛�(d煤)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︼紝鎻愪緵闈堟椿鎬�銆�
銆�銆�3. 蹇�閫熷偝鎾�寤堕伈鏅�(sh铆)闁�锛岄仼鍚堥珮閫熸暩(sh霉)瀛楁噳(y墨ng)鐢�銆�
銆�銆�4. 鑹�濂界殑鍣�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�(bi膩o)婧�(zh菙n)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(sh猫)瑷�(j矛)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�撹寖鍦嶇嫻绐勶紝纰轰繚鍦� 5V 妯�(bi膩o)婧�(zh菙n)闆绘簮涓嬪彲闈犻亱(y霉n)琛�銆�
銆�銆�閫欎簺鐗规�т娇寰� SN74LS121N 鎴愮偤澶氱ó瀹氭檪(sh铆)闆昏矾鍜屼俊铏�(h脿o)鏁村舰浠诲嫏(w霉)鐨勭悊鎯抽伕鎿�銆�

SN74LS121N 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鑴堟矕灞曞��鑸囨暣褰�锛氬皣涓嶈��(gu墨)鍓囪几鍏ヤ俊铏�(h脿o)杞�(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(sh铆)闆昏矾锛氱敤浣滃欢鏅�(sh铆)鐢熸垚鍣ㄦ垨鑴堟矕瀵�搴﹁��(di脿o)鍒剁殑鍩虹��(ch菙)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�(h脿o)鐧�(f膩)鐢熷櫒鎴�?y脿n)V娉㈠櫒鐨勪竴閮ㄥ垎銆�
銆�銆�4. 鍣�鑱叉姂鍒讹細娑堥櫎闁嬮��(gu膩n)鎶栧嫊(d貌ng)鎴栧叾浠栭珮闋诲共鎿句俊铏�(h脿o)銆�
銆�銆�5. 娓�(c猫)閲忚ō(sh猫)鍌欙細閰嶅悎鍌虫劅鍣ㄤ娇鐢�锛岀敓鎴愮簿纰虹殑鏅�(sh铆)闁撳熀婧�(zh菙n)銆�
銆�銆�6. 宸ユキ(y猫)鎺у埗锛氬��(sh铆)鐝�(xi脿n)瀹氭檪(sh铆)鍔熻兘浠ュ崝(xi茅)瑾�(di脿o)寰�(f霉)闆滅郴绲�(t菕ng)涓�鐨勫��(d貌ng)浣溿��
銆�銆�鍏跺�氬姛鑳芥�у拰鍙�闈犳�т娇鍏舵垚鐐鸿ū澶氶浕瀛愰爡(xi脿ng)鐩�涓�涓嶅彲鎴栫己鐨勪竴閮ㄥ垎銆�

SN74S121N, CD4098B, MC14528B