74AC11257 鏅傞枔锛�2025/5/6 18:51:46 闁辫畝锛�25

74AC11257鏄竴绋珮鎬ц兘鐨勯洐鍥涢€氶亾绺界窔鏀剁櫦(f膩)鍣�锛屽爆浜�74AC绯诲垪楂橀€烠MOS閭忚集鍣ㄤ欢銆傝┎鑺墖閲囩敤鍏堥€�(j矛n)鐨勪簽寰背鍒堕€犲伐钘�锛岃兘澶犲湪浣庡姛鑰楁浠朵笅鎻愪緵楂橀﹨(q奴)鍕曡兘鍔涘拰蹇€熼枊闂�(gu膩n)閫熷害銆傚叾涓昏鍔熻兘鏄湪鍏╂鐛ㄧ珛鐨勬暩(sh霉)鎿�(j霉)绺界窔涔嬮枔閫�(j矛n)琛岄洐鍚戞暩(sh霉)鎿�(j霉)鍌宠几锛屽叿鏈変笁鎱�(t脿i)杓稿嚭鍔熻兘锛岃兘澶犳湁鏁堝湴鎺у埗鏁�(sh霉)鎿�(j霉)娴佺殑鏂瑰悜鍜岀媭鎱�(t脿i)銆�
銆€銆€74AC11257寤ｆ硾鎳�(y墨ng)鐢ㄤ簬瑷堢畻姗�(j墨)绯荤当(t菕ng)銆侀€氫俊瑷�(sh猫)鍌�銆佸伐妤�(y猫)鑷嫊鍖栦互鍙婂叾浠栭渶瑕侀珮鏁堟暩(sh霉)鎿�(j霉)鍌宠几?sh霉)纰惧ó涓庡◥鍒嗗皬?/p>

鍙冩暩(sh霉)

渚涢浕闆诲锛�2V~6V
銆€銆€鍌虫挱寤堕伈鏅傞枔锛�3.8ns锛堝吀鍨嬪€硷級
銆€銆€杓稿叆闆诲锛�7pF
銆€銆€杓稿嚭闆绘祦锛毬�24mA
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C~+125掳C
銆€銆€灏佽褰㈠紡锛歋OIC-20, PDIP-20

鐗规€�

74AC11257鍏锋湁浠ヤ笅椤憲鐗归粸锛�
銆€銆€1. 楂橀€熸€ц兘锛氬偝鎾欢閬叉檪闁撶煭锛岄仼鐢ㄤ簬楂橀€熸暩(sh霉)鎿�(j霉)鍌宠几鍫存櫙銆�
銆€銆€2. 浣庡姛鑰楋細鍦ㄤ繚璀夋€ц兘鐨勫悓鏅�锛岄潨鎱�(t脿i)闆绘祦闈炲父灏�锛岄仼鍚堝皪鍔熻€楁晱鎰熺殑鎳�(y墨ng)鐢ㄣ€�
銆€銆€3. 瀵浕澹撹寖鍦嶏細鏀寔2V鍒�6V鐨勫伐浣滈浕澹�锛屽寮�(qi谩ng)浜嗘噳(y墨ng)鐢ㄩ潏娲绘€с€�
銆€銆€4. 涓夋厠(t脿i)杓稿嚭锛氬厑瑷卞鍊嬭ō(sh猫)鍌欏叡浜悓涓€姊濇暩(sh霉)鎿�(j霉)绺界窔锛屾彁楂樹簡绯荤当(t菕ng)鐨勯泦鎴愬害銆�
銆€銆€5. 楂樺彲闈犳€э細鑳藉鍦ㄦサ绔韩搴﹁寖鍦嶅収(n猫i)绌�(w臎n)瀹氬伐浣�锛岄仼鍚堝悇绋挵(hu谩n)澧冩浠朵笅鐨勬噳(y墨ng)鐢�銆�
銆€銆€6. 鍏煎鎬у挤(qi谩ng)锛氳垏TTL鍜孋MOS闆诲钩鍏煎锛屼究浜庤垏鍏朵粬閭忚集鍣ㄤ欢閫ｆ帴銆�

鎳�(y墨ng)鐢�

74AC11257鍥犲叾鍑鸿壊鐨勬€ц兘鍜屽鍔熻兘鎬э紝琚唬娉涚敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆€銆€1. 瑷堢畻姗�(j墨)绯荤当(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)绺界窔鍒囨彌鍜屾摯(ku貌)灞�銆�
銆€銆€2. 閫氫俊瑷�(sh猫)鍌欎腑鐨勪俊铏熷偝杓稿拰闅旈洟銆�
銆€銆€3. 宸ユキ(y猫)鎺у埗涓殑澶氳矾鏁�(sh霉)鎿�(j霉)閲囬泦鑸囪檿鐞�銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勬暩(sh霉)鎿�(j霉)绶╂矕鍜岄﹨(q奴)鍕�銆�
銆€銆€5. 娓│娓噺鍎€鍣ㄤ腑鐨勪俊铏熻綁(zhu菐n)鎻涘拰鏀惧ぇ銆�
銆€銆€姝ゅ锛屽畠閭勫彲鐢ㄤ簬浠讳綍闇€瑕侀珮閫熼洐鍚戞暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鑶遍紞鍟�?/p>