CD74ACT257 鏅傞枔锛�2025/5/6 20:35:06 闁辫畝锛�21

CD74ACT257 鏄竴娆鹃珮閫� CMOS 鍥涜矾 2 杓稿叆鑸囬杸闆嗘垚闆昏矾锛屽爆浜� TI锛堝痉宸炲剙鍣級鐨� ACT 绯诲垪銆傝┎绯诲垪浠ラ珮鍒囨彌閫熷害鍜屼綆鍔熻€楃偤鐗归粸(di菐n)锛屽唬娉涙噳(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓�銆�
銆€銆€ACT 绯诲垪鍣ㄤ欢鍦ㄦ€ц兘涓婂吋瀹规(bi膩o)婧�(zh菙n)鐨� TTL 鍜� CMOS 杓稿嚭閭忚集闆诲钩锛岄仼鍚堥渶瑕佹贩鍚堥倧杓帴鍙ｇ殑鎳�(y墨ng)鐢ㄥ牬鏅�銆傚叾鍏�(n猫i)閮ㄩ泦鎴愪簡鍥涘€嬬崹(d煤)绔嬬殑 2 杓稿叆鑸囬杸锛屾瘡鍊嬭垏闁€鏈夊叐鍊嬭几鍏ョ鍜屼竴鍊嬭几鍑虹銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�1.65V 鑷� 3.6V
銆€銆€鍌虫挱寤堕伈鏅傞枔锛�5.8ns锛堝吀鍨嬪€�锛屽湪 VCC=3.0V 涓嬶級
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€杓稿叆闆绘祦锛毬�1mA
銆€銆€杓稿嚭闆绘祦锛�32mA锛堟渶澶у€硷級
銆€銆€灏佽褰㈠紡锛歋OIC銆乀SSOP

鐗规€�

CD74ACT257 鎻愪緵浜嗛珮閫熺殑闁嬮棞(gu膩n)鎬ц兘锛屽悓鏅備繚鎸佽純浣庣殑闈滄厠(t脿i)鍔熻€�銆傚叾 CMOS 宸ヨ棟浣垮緱鑺墖鑳藉鍦ㄨ純瀵殑闆绘簮闆诲鑼冨湇鍏�(n猫i)绌�(w臎n)瀹氶亱(y霉n)琛屻€�
銆€銆€姝ゅ锛岃┎鍣ㄤ欢鍏锋湁杓冨挤(qi谩ng)鐨勬姉鍣兘鍔�锛岃兘澶犳湁鏁堟笡灏戣瑙哥櫦(f膩)鐨勬儏娉佺櫦(f膩)鐢�銆傜敱浜� ACT 绯诲垪閲囩敤浜嗗厛閫�(j矛n)鐨勮ō(sh猫)瑷�(j矛)绲�(ji茅)妲�(g貌u)锛屽洜姝� CD74ACT257 鐨勫偝鎾欢閬查潪甯哥煭锛岄仼鐢ㄤ簬灏嶉€熷害瑕佹眰杓冮珮鐨勬噳(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�
銆€銆€鑺墖閭勬敮鎸佸绋笉鍚岀殑灏佽閬搁爡(xi脿ng)锛屼究浜庢牴鎿�(j霉)瀵�(sh铆)闅涢渶姹傞伕鎿囨渶閬╁悎鐨勫畨瑁濇柟寮�銆傚皪浜庨渶瑕侀珮鎬ц兘鍜屽彲闈犳€х殑鏁�(sh霉)瀛楃郴绲�(t菕ng)锛岄€欐鑺墖鏄竴鍊嬬悊鎯崇殑閬告搰銆�

鎳�(y墨ng)鐢�

CD74ACT257 甯哥敤浜庡悇绋暩(sh霉)瀛椾俊铏熻檿鐞嗗牬鍚�锛屽寘鎷絾涓嶉檺浜庯細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)閫氫俊鍜岀恫(w菐ng)绲�(lu貌)瑷�(sh猫)鍌欎腑鐨勯倧杓亱(y霉n)绠�銆�
銆€銆€2. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪俊铏熸帶鍒跺拰杞�(zhu菐n)鎻�銆�
銆€銆€3. 宸ユキ(y猫)鑷嫊鍖栫郴绲�(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)閲囬泦鑸囪檿鐞�銆�
銆€銆€4. 瑷�(j矛)绠楁(j墨)澶栬ō(sh猫)鍙婂祵鍏ュ紡绯荤当(t菕ng)鐨勯倧杓帶鍒跺柈鍏冦€�
銆€銆€瑭茶姱鐗囨啈鍊熷叾蹇€熼熆鎳�(y墨ng)鑳藉姏鍜岃壇濂界殑鍏煎鎬�锛屾垚鐐虹溇澶氭暩(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓殑鏍稿績绲勪欢涔嬩竴銆�