SN74AS20 鏅傞枔锛�2025/6/3 11:39:08 闁辫畝锛�12

SN74AS20鏄竴娆鹃洐鍥涜几鍏ヨ垏闈為杸锛圢AND Gate锛夋暩(sh霉)瀛楅倧杓泦鎴愰浕璺紝灞簬楂橀€烠MOS锛圚C/HCT锛夊拰ALS/AS绯诲垪鐨勪竴閮ㄥ垎銆傝┎鑺墖浣跨敤鍏堥€�(j矛n)鐨凷chottky-barrier鎶€琛�(sh霉)鍒堕€狅紝鎻愪緵楂橀枊闂�(gu膩n)閫熷害鍜屼綆鍔熻€楁€ц兘銆傚畠閫氬父鐢ㄤ簬闇€瑕佸京(f霉)闆滈倧杓帶鍒剁殑闆昏矾涓紝濡傝▓绠楁(j墨)銆侀€氫俊瑷�(sh猫)鍌欏拰鍏朵粬闆诲瓙绯荤当(t菕ng)銆�
銆€銆€SN74AS20鍏锋湁鍏╁€嬬崹绔嬬殑鍥涜几鍏ヨ垏闈為杸绲�(ji茅)妲�(g貌u)锛屾瘡鍊嬭几鍏ョ鍙ｅ彲浠ユ帴鍙楁(bi膩o)婧�(zh菙n)TTL鎴朇MOS闆诲钩淇¤櫉锛岃几鍑虹偤鑸囬潪閭忚集閬�(y霉n)绠楃殑绲�(ji茅)鏋溿€�

鍙冩暩(sh霉)

闆绘簮闆诲锛�4.5V鑷�5.5V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€鍌虫挱寤堕伈鏅傞枔锛�12ns锛堝吀鍨嬪€硷級
銆€銆€杓稿叆闆绘祦锛毬�1mA
銆€銆€杓稿嚭闆绘祦锛毬�24mA
銆€銆€灏佽褰㈠紡锛歅DIP銆丼OIC銆乀SSOP

鐗规€�

SN74AS20閲囩敤鏂藉瘑鐗硅Ц鐧�(f膩)鍣ㄦ妧琛�(sh霉)锛屽叿鍌欎互涓嬮’钁楃壒榛烇細
銆€銆€1. 楂橀€熸€ц兘锛氱浉姣斿偝绲�(t菕ng)鐨凩S-TTL鍣ㄤ欢锛孲N74AS20鐨勯枊闂�(gu膩n)閫熷害鏇村揩锛岃兘澶犳豢瓒虫洿楂橀牷鐜囩殑鎳�(y墨ng)鐢ㄩ渶姹�銆�
銆€銆€2. 浣庡姛鑰楋細鍦ㄤ繚璀夐珮鎬ц兘鐨勫悓鏅�锛屽叾闈滄厠(t脿i)鍔熻€楅潪甯镐綆锛岄仼鍚堝皪鑳借€楁晱鎰熺殑瑷�(sh猫)瑷堛€�
銆€銆€3. 瀵伐浣滈浕澹撹寖鍦嶏細鏀寔寰�4.5V鍒�5.5V鐨勯浕婧愰浕澹�锛屽寮�(qi谩ng)浜嗚ō(sh猫)瑷堢殑闈堟椿鎬с€�
銆€銆€4. 鍏煎鎬уソ锛氳兘澶犺垏妯�(bi膩o)婧�(zh菙n)TTL鍜孋MOS闆昏矾鍏煎锛屼究浜庨泦鎴愬埌鍚勭ó绯荤当(t菕ng)涓�銆�
銆€銆€5. 绌�(w臎n)瀹氬彲闈狅細鍏�(n猫i)閮ㄤ繚璀�(h霉)闆昏矾瑷�(sh猫)瑷堜娇寰楄姱鐗囪兘澶犲湪鎯″姡鐠�(hu谩n)澧冧笅淇濇寔绌�(w臎n)瀹氶亱(y霉n)琛屻€�

鎳�(y墨ng)鐢�

SN74AS20寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅倧杓浕璺腑锛屽寘鎷絾涓嶉檺浜庯細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)铏曠悊鍜屾帶鍒讹細鐢ㄤ簬妲�(g貌u)寤哄京(f霉)闆滅殑甯冪埦閭忚集閬�(y霉n)绠楅浕璺€�
銆€銆€2. 瑷堢畻姗�(j墨)绯荤当(t菕ng)锛氬湪CPU鍛ㄩ倞闆昏矾涓鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)璺緫鎺у埗鍔熻兘銆�
銆€銆€3. 閫氫俊瑷�(sh猫)鍌欙細鐢ㄤ綔淇¤櫉铏曠悊妯″涓殑閭忚集鍠厓銆�
銆€銆€4. 宸ユキ(y猫)鑷嫊鍖栵細鍙冭垏鍌虫劅鍣ㄤ俊铏熻檿鐞嗗強鎺у埗绯荤当(t菕ng)閭忚集瑷�(sh猫)瑷堛€�
銆€銆€5. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡傞浕瑕�銆侀煶闊跨瓑瑷�(sh猫)鍌欎腑鐨勯倧杓帶鍒堕儴鍒嗐€�