鏅傞枔锛�2025/5/22 23:54:50
闁辫畝锛�20
SN54LS74J 鏄竴绋洐D鍨嬭Ц鐧�(f膩)鍣ㄩ泦鎴愰浕璺�锛屽爆浜�74LS绯诲垪鐨勪綆鍔熻�楄倴鐗瑰熀TTL閭忚集鍣ㄤ欢銆傝┎鑺墖鍏ч儴闆嗘垚浜嗗叐鍊嬬崹绔嬬殑D鍨嬭Ц鐧�(f膩)鍣�锛屾瘡鍊嬭Ц鐧�(f膩)鍣ㄩ兘鏈変竴鍊嬫暩(sh霉)鎿�(j霉)杓稿叆锛圖锛�銆佹檪閻樿几鍏ワ紙CLK锛�銆佺疆浣嶈几鍏ワ紙SET锛�銆佸京浣嶈几鍏ワ紙RESET锛変互鍙婅几鍑猴紙Q 鍜� Q闈烇級銆傞�欎簺瑙哥櫦(f膩)鍣ㄥ唬娉涙噳鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑锛岀敤浜庢暩(sh霉)鎿�(j霉)瀛樺劜銆佷俊铏熷悓姝ャ�佸垎闋荤瓑鍫存櫙銆�
銆�銆�SN54LS74J 鐨勮ō瑷堟棬鍦ㄦ彁渚涢珮闁嬮棞閫熷害鍜屼綆鍔熻�楃壒鎬э紝閬╁悎浜庤姹傞珮鎬ц兘鍜屽彲闈犳�х殑宸ユキ(y猫)鍙婅粛浜嬫噳鐢ㄧ挵(hu谩n)澧�銆�
閭忚集绯诲垪锛�74LS
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�9ns锛堝吀鍨嬪�硷級
銆�銆�鍔熻�楋細姣忛杸澶х磩10mW锛堝湪5V涓嬶級
銆�銆�杓稿叆闆绘祦锛氭渶澶�-0.4mA
銆�銆�杓稿嚭闆绘祦锛氭渶澶�8mA锛堜綆闆诲钩锛�锛屾渶灏�-4mA锛堥珮闆诲钩锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
SN54LS74J 鍏峰倷浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂橀�熶綆鍔熻�楄倴鐗瑰熀TTL鎶�琛撶⒑淇濆揩閫熷垏鎻涘拰杓冧綆鐨勫姛鑰�銆�
銆�銆�2. 鍏ч儴鍖呭惈鍏╁�嬪畬鍏ㄧ崹绔嬬殑D鍨嬭Ц鐧�(f膩)鍣�锛屽彲鍒嗗垾鎺у埗銆�
銆�銆�3. 鎻愪緵鐣版缃綅锛圫ET锛夊拰寰╀綅锛圧ESET锛夊姛鑳�锛屽厑瑷辩洿鎺ヨō缃垨娓呴櫎杓稿嚭鐙�鎱�(t脿i)銆�
銆�銆�4. 杓冨鐨勫伐浣滄韩搴﹁寖鍦嶄娇鍏堕仼鐢ㄤ簬妤电鐠�(hu谩n)澧冩浠朵笅鐨勬噳鐢ㄣ��
銆�銆�5. 杓稿嚭鍏锋湁鑹ソ鐨勯﹨鍕曡兘鍔�锛屽彲浠ラ﹨鍕曞鍊婽TL璨犺級銆�
銆�銆�6. 鍏煎妯欐簴鐨�74LS绯诲垪閭忚集闆诲钩锛屼究浜庤垏鍏朵粬TTL鍣ㄤ欢閫ｆ帴銆�
SN54LS74J 鍙互鎳夌敤浜庡悇绋暩(sh霉)瀛楃郴绲�(t菕ng)涓�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閹栧瓨鑸囧瓨鍎�銆�
銆�銆�2. 鏁�(sh霉)瀛椾俊铏熺殑鍚屾铏曠悊銆�
銆�銆�3. 鍒嗛牷闆昏矾瑷▓銆�
銆�銆�4. 瑷堟暩(sh霉)鍣ㄦ寤�銆�
銆�銆�5. 鐙�鎱�(t脿i)姗熸帶鍒�銆�
銆�銆�6. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勫畾鏅傚拰鎺у埗鍔熻兘銆�
銆�銆�7. 閫氫俊绯荤当(t菕ng)涓殑淇¤櫉鏁村舰鍜岀珐娌栥��
銆�銆�鐢变簬鍏惰粛鐢ㄧ礆婧害鑼冨湇锛屼篃甯歌鐢ㄤ簬鑸┖鑸ぉ銆佽粛宸ョ瓑灏嶅彲闈犳�ц姹傛サ楂樼殑闋樺煙銆�
SN74LS74N, MC14LS74, DM74LS74A
