鏅傞枔锛�2025/4/29 18:31:47
闁辫畝锛�34
SN74LS90DR鏄竴绋熀浜嶵TL锛堟櫠楂旂-鏅堕珨绠￠倧杓級鎶�琛撶殑鍗侀�插埗瑷堟暩(sh霉)鍣�/鍒嗛牷鍣ㄩ泦鎴愰浕璺�銆傚畠灞簬74LS绯诲垪锛屽唬娉涙噳鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō瑷堜腑銆傝┎鍣ㄤ欢鍏锋湁鍥涘�嬬崹绔嬬殑瑙哥櫦(f膩)鍣ㄧ礆鑱�(li谩n)绲愭锛岃兘澶犲鐝�(xi脿n)鍗侀�插埗鎴栦簩閫插埗瑷堟暩(sh霉)鍔熻兘銆傚叾涓昏鎳夌敤闋樺煙鍖呮嫭闋荤巼鍒嗛牷銆佽剤娌栬▓鏁�(sh霉)銆佸畾鏅傞浕璺瓑銆�
閭忚集椤炲瀷锛歍TL
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�35ns
銆�銆�杓稿嚭闆绘祦锛氭渶澶�8mA
銆�銆�灏佽褰㈠紡锛欴IP16/SOIC16
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
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銆�銆�閫欑ó鑺墖闈炲父閬╁悎闇�瑕佷綆鍔熻�椾絾蹇�熼熆鎳夌殑鎳夌敤鍫存櫙銆傚叾TTL鍏煎鎬х⒑淇濅簡鑸囧ぇ澶氭暩(sh霉)鍏朵粬74绯诲垪鑺墖鐨勮壇濂戒簰鎿嶄綔鎬�銆傚悓鏅傦紝鐢变簬閲囩敤鎴愮啛鐨凩S宸ヨ棟锛孲N74LS90DR鍦ㄥ櫔鑱叉姂鍒跺拰绌�(w臎n)瀹氭�ф柟闈㈣〃鐝�(xi脿n)鍎�(y艒u)鐣�銆�
SN74LS90DR甯哥敤浜庡绋浕瀛愯ō鍌欎腑锛岀壒鍒ユ槸鍦ㄩ渶瑕佽▓鏁�(sh霉)鎴栧垎闋诲姛鑳界殑鍦版柟銆傚吀鍨嬫噳鐢ㄥ寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鏁�(sh霉)瀛楁檪閻樺拰瀹氭檪鍣ㄤ腑鐨勭銆佸垎銆佸皬鏅傝▓鏁�(sh霉)妯″銆�
銆�銆�2. 闊抽牷淇¤櫉铏曠悊涓殑闋荤巼鍒嗛牷闆昏矾銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)鐨勮剤娌栬▓鏁�(sh霉)鍣ㄣ��
銆�銆�4. 娓│娓噺鍎�鍣ㄤ腑鐨勬暩(sh霉)鎿氶噰闆嗛儴鍒�銆�
銆�銆�5. 椤ず椹呭嫊闆昏矾涓殑鎺冩弿淇¤櫉鐢熸垚銆�
銆�銆�鐢变簬鍏堕珮鍙潬鎬у拰鏄撶敤鎬э紝SN74LS90DR鎴愮偤宸ョ▼甯湪瑷▓绨″柈鍒板京闆滄暩(sh霉)瀛楅浕璺檪鐨勯閬哥祫浠朵箣涓�銆�
SN74HC90DR, CD4017BE
