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闁辫畝锛�19
CD54AC240鏄竴绋珮鎬ц兘鐨勫洓璺�2閬�1鏁�(sh霉)鎿�(j霉)閬告搰鍣�/澶氳矾寰╃敤鍣紙Multiplexer锛夛紝灞簬74AC绯诲垪楂橀�烠MOS閭忚集鍣ㄤ欢銆傚畠绲愬悎浜嗕綆鍔熻�楀拰楂橀枊闂滈�熷害鐨勭壒榛�锛屽唬娉涙噳鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō瑷堜腑銆�
銆�銆�瑭茶姱鐗囪兘澶犳牴鎿�(j霉)杓稿叆鐨勯伕鎿囦俊铏�锛屽緸鍏╁�嬫暩(sh霉)鎿�(j霉)杓稿叆涓伕鎿囦竴鍊嬮�茶杓稿嚭銆傚叾鍏�(n猫i)閮ㄥ寘鍚洓鍊嬬崹绔嬬殑鏁�(sh霉)鎿�(j霉)閬告搰鍣�锛屾瘡鍊嬮伕鎿囧櫒閮芥湁鍏╁�嬫暩(sh霉)鎿�(j霉)杓稿叆銆佷竴鍊嬮伕鎿囪几鍏ュ拰涓�鍊嬭几鍑�銆�
渚涢浕闆诲(Vcc)锛�2V~5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40鈩儈85鈩�
銆�銆�鍌虫挱寤堕伈鏅傞枔(tpd)锛氭渶澶�4.5ns
銆�銆�杓稿叆闆绘祦(Iil)锛�-1mA
銆�銆�杓稿嚭闆绘祦(Iol/Ioh)锛毬�24mA
銆�銆�灏佽褰㈠紡锛歋OIC-16, PDIP-16
CD54AC240鍏锋湁浠ヤ笅椤憲鐗规�э細
銆�銆�1. 楂橀�熸�ц兘锛氱敱浜庨噰鐢ㄥ厛閫茬殑CMOS鎶�琛�锛岀⒑淇濅簡妤电煭鐨勫偝鎾欢閬叉檪闁�锛岄潪甯搁仼鍚堥珮闋绘噳鐢�銆�
銆�銆�2. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔2V鑷�5.5V鐨勫伐浣滈浕澹�锛岄仼鎳夊绋郴绲�(t菕ng)闇�姹�銆�
銆�銆�3. 浣庡姛鑰楋細鍦ㄩ潨鎱�(t脿i)姊濅欢涓嬶紝鍔熻�楁サ浣�锛屾笡灏戜簡绯荤当(t菕ng)鐨勬暣楂旇兘鑰�銆�
銆�銆�4. 楂樺櫔鑱插闄愶細绗﹀悎JEDEC妯欐簴锛屽寮蜂簡鎶楀共鎿捐兘鍔涖��
銆�銆�5. 鍏煎TTL锛氬彲浠ヨ垏鍌崇当(t菕ng)鐨凾TL閭忚集闆诲钩鍏煎锛屼究浜庣郴绲�(t菕ng)闆嗘垚銆�
銆�銆�6. 绌�(w臎n)瀹氭�э細鍦ㄥ婧害鑼冨湇鍏�(n猫i)淇濇寔绌�(w臎n)瀹氱殑鎬ц兘锛岄仼鐢ㄤ簬宸ユキ(y猫)鍜屽晢妤�(y猫)鐠�(hu谩n)澧�銆�
CD54AC240琚唬娉涙噳鐢ㄤ簬鍚勭ó闇�瑕佹暩(sh霉)鎿�(j霉)閬告搰鍜屽璺京鐢ㄧ殑鍫村悎锛�
銆�銆�1. 鏁�(sh霉)鎿�(j霉)鍌宠几锛氱敤浜庡鍊嬫暩(sh霉)鎿�(j霉)婧愪箣闁撶殑鍒囨彌銆�
銆�銆�2. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗭細鍦ㄩ煶闋�銆佽闋荤瓑淇¤櫉铏曠悊绯荤当(t菕ng)涓鐝�(xi脿n)淇¤櫉璺緫鐨勯伕鎿囥��
銆�銆�3. 瑷堢畻姗熷鍦嶈ō鍌欙細濡傛墦鍗版銆佹巸鎻忓剙绛変腑鐨勬暩(sh霉)鎿�(j霉)閫氶亾鎺у埗銆�
銆�銆�4. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)锛氱敤浜庡鍌虫劅鍣ㄨ几鍏ョ殑閬告搰鍜岀鐞�銆�
銆�銆�5. 閫氫俊瑷倷锛氬湪浜ゆ彌姗�銆佽矾鐢卞櫒绛夎ō鍌欎腑閫茶鏁�(sh霉)鎿�(j霉)璺敱閬告搰銆�
銆�銆�6. 娓│娓噺鍎�鍣細鐢ㄤ簬澶氶�氶亾淇¤櫉閲囬泦鍜屽垎鏋�銆�
74AC240, MC74AC240, SN54AC240
