鏅傞枔锛�2025/3/28 15:23:05
闁辫畝锛�41
SN74LS21N 鏄竴娆鹃洐鍥涜几鍏ヨ垏闈為杸锛圢AND锛夐浕璺�锛屽爆浜� 74 绯诲垪閭忚集鍣ㄤ欢涓殑浣庡姛鑰楄倴鐗瑰熀 (LS) 鍣ㄤ欢銆傝┎鑺墖寤ｆ硾鎳夌敤浜庢暩(sh霉)瀛楅浕璺ō瑷堜腑锛岀敤浜庡鐝�(xi脿n)甯冪埦閭忚集閬嬬畻鍔熻兘銆�
銆�銆�瑭插櫒浠跺叿鏈夎純楂樼殑閫熷害鍜岃純浣庣殑鍔熻��锛岄仼鍚堝湪闇�瑕佸揩閫熼熆鎳変笖鍔熻�楁晱鎰熺殑鎳夌敤鍫村悎涓娇鐢�銆�
灏佽锛欴IP-14
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.75V 鑷� 5.25V
銆�銆�杓稿嚭闆绘祦锛堟渶澶у�硷級锛�8mA
銆�銆�杓稿叆闆绘祦锛堟渶澶у�硷級锛�1mA
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�9ns锛堝吀鍨嬪�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
1. 闆欏洓杓稿叆鑸囬潪闁�绲愭锛屽厑瑷遍潏娲诲湴绲勫悎澶氬�嬭几鍏ヤ俊铏熶互鍩�(zh铆)琛屽京闆滅殑閭忚集鎿嶄綔銆�
銆�銆�2. 浣跨敤浣庡姛鑰楄倴鐗瑰熀鏅堕珨绠℃妧琛擄紝椤憲闄嶄綆浜嗛潨鎱�(t脿i)鍔熻��銆�
銆�銆�3. 鍏锋湁杓冨揩鐨勫偝鎾欢閬叉檪闁�锛岃兘澶犳豢瓒抽珮閫熸噳鐢ㄧ殑闇�姹�銆�
銆�銆�4. 鑹ソ鐨勯浕姘ｅ吋瀹规��锛屽彲鑸囧叾浠� 74LS 绯诲垪鍣ㄤ欢鐒＄斧闆嗘垚銆�
銆�銆�5. 寮峰ぇ鐨勬姉鍣兘鍔�锛岀⒑淇濆湪鍢堥洔鐨勭挵(hu谩n)澧冧腑绌�(w臎n)瀹氶亱琛�銆�
1. 鏁�(sh霉)瀛楃郴绲�(t菕ng)涓殑閭忚集鎺у埗闆昏矾銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)铏曠悊鍜屽瓨鍎茶ō鍌欎腑鐨勬暩(sh霉)鎿�(j霉)璺緫鎺у埗銆�
銆�銆�3. 瑷堢畻姗熶富鏉垮強澶栬ō鎺ュ彛涓殑淇¤櫉铏曠悊銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栫郴绲�(t菕ng)涓殑鎺у埗閭忚集銆�
銆�銆�5. 娑堣不椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪俊铏熻檿鐞嗗拰鎺у埗妯″銆�
銆�銆�鐢变簬鍏堕珮鍙潬鎬у拰闈堟椿鎬�锛孲N74LS21N 鎴愮偤瑷卞宸ョ▼甯ō瑷堝京闆滄暩(sh霉)瀛楃郴绲�(t菕ng)鏅傜殑鐞嗘兂閬告搰銆�
SN74ALS21N, SN74HC21N
