SN74HC240N 鏅�(sh铆)闁擄細2025/4/30 9:38:50 闁辫畝锛�28

SN74HC240N 鏄竴绋珮鎬ц兘鐨� CMOS 鍏锋湁涓夋厠(t脿i)杓稿嚭鐨勭珐娌栧櫒/绶氳矾椹�(q奴)鍕�(d貌ng)鍣紝閲囩敤楂樼礆(j铆)纭呮煹妤� CMOS 鎶€琛�(sh霉)鍒堕€�銆傝┎鍣ㄤ欢鐢卞叓鍊�(g猫)鐛�(d煤)绔嬬殑闈炲弽鐩哥珐娌栧櫒绲勬垚锛屾瘡鍊�(g猫)閫氶亾閮借兘澶犻﹨(q奴)鍕�(d貌ng)楂橀仈(d谩) 15 鍊�(g猫) LSTTL 璨�(f霉)杓�銆傚畠鍏锋湁浣庡姛鑰楀拰楂樺櫔鑱插闄愮殑鐗归粸(di菐n)锛岄仼鍚堢敤浜庡悇绋暩(sh霉)瀛楅浕璺腑鐨勪俊铏�(h脿o)澧炲挤(qi谩ng)鍜岄殧闆€€�
銆€銆€SN74HC240N 鐨勫伐浣滈浕澹撹寖鍦嶇偤 2V 鑷� 6V锛岃兘澶犲湪寤ｆ硾鐨勯浕婧愭浠朵笅绌�(w臎n)瀹氶亱(y霉n)琛屻€傚叾涓夋厠(t脿i)杓稿嚭鍔熻兘鍏佽ū鐩存帴閫ｆ帴鍒扮附绶氱郴绲�(t菕ng)锛岃€屼笉鏈�(hu矛)寮曡捣淇¤櫉(h脿o)娌栫獊鎴栨悕澹�銆�

鍙冩暩(sh霉)

闆绘簮闆诲(VCC)锛�2V 鑷� 6V
銆€銆€杓稿叆闆绘祦(IIH, IIL)锛毬�1渭A 鏈€澶у€�
銆€銆€杓稿嚭闆绘祦(IOH, IOL)锛毬�6mA 鏈€澶у€�
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁�(tPLH, tPHL)锛�8ns 鏈€澶у€硷紙鍦� VCC=5V 鏅�(sh铆)锛�
銆€銆€宸ヤ綔婧害鑼冨湇(TA)锛�-55掳C 鑷� +125掳C
銆€銆€灏佽褰㈠紡锛欴IP銆丼OIC

鐗规€�

SN74HC240N 鍏峰倷浠ヤ笅闂�(gu膩n)閸电壒鎬э細
銆€銆€1. 楂橀€熸€ц兘锛氬偝鎾欢閬叉檪(sh铆)闁撻潪甯哥煭锛岃兘澶犳豢瓒抽珮閫熸暩(sh霉)瀛楅浕璺殑闇€姹�銆�
銆€銆€2. 涓夋厠(t脿i)杓稿嚭锛氭敮鎸佽垏鏁�(sh霉)鎿�(j霉)绺界窔鐨勭劇绺€ｆ帴锛岄伩鍏嶄簡淇¤櫉(h脿o)绔剁埈鍟忛銆�
銆€銆€3. 瀵伐浣滈浕澹撹寖鍦嶏細鍙互鍦� 2V 鍒� 6V 鐨勯浕澹撲笅姝ｅ父閬�(y霉n)琛�锛屽寮�(qi谩ng)浜嗚ō(sh猫)瑷�(j矛)闈堟椿鎬�銆�
銆€銆€4. 浣庨潨鎱�(t脿i)闆绘祦锛氭笡灏戜簡绯荤当(t菕ng)鐨勬暣楂斿姛鑰�銆�
銆€銆€5. 楂樺櫔鑱插闄愶細淇濊瓑浜嗗湪寰�(f霉)闆滈浕纾佺挵(hu谩n)澧冧笅鐨勫彲闈犻亱(y霉n)琛�銆�
銆€銆€6. 鍙﹨(q奴)鍕�(d貌ng) 15 鍊�(g猫) LSTTL 璨�(f霉)杓夛細鎻愪緵寮�(qi谩ng)澶х殑椹�(q奴)鍕�(d貌ng)鑳藉姏锛岄仼鐢ㄤ簬澶氱ó鎳�(y墨ng)鐢ㄥ牬鏅�銆�

鎳�(y墨ng)鐢�

SN74HC240N 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 瑷�(j矛)绠楁(j墨)鍜屽鍦嶈ō(sh猫)鍌欙細鐢ㄤ綔鏁�(sh霉)鎿�(j霉)绺界窔绶╂矕鍣ㄤ互澧炲挤(qi谩ng)淇¤櫉(h脿o)寮�(qi谩ng)搴�銆�
銆€銆€2. 宸ユキ(y猫)鎺у埗锛氬(sh铆)鐝�(xi脿n)澶氳矾淇¤櫉(h脿o)鐨勯﹨(q奴)鍕�(d貌ng)鍜岄殧闆€€�
銆€銆€3. 鏁�(sh霉)鎿�(j霉)閫氫俊锛氭彁楂樹俊铏�(h脿o)鍌宠几璺濋洟鍜屾姉骞叉摼鑳藉姏銆�
銆€銆€4. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細渚嬪闆昏銆侀煶闊跨瓑闇€瑕佷俊铏�(h脿o)澧炲挤(qi谩ng)鐨勫牬鏅�銆�
銆€銆€5. 娓│娓噺鍎€鍣細纰轰繚绮剧⒑鐨勬暩(sh霉)鎿�(j霉)閲囬泦鍜屽偝杓�銆�
銆€銆€鐢变簬鍏跺挤(qi谩ng)澶х殑椹�(q奴)鍕�(d貌ng)鑳藉姏鍜岀┅(w臎n)瀹氭€�锛孲N74HC240N 鍦ㄩ渶瑕侀珮鏁堜俊铏�(h脿o)鍌宠几?sh霉)姣嶉灒N鍫村悎涓兘鏈夊唬娉涙噳(y墨ng)鐢�銆�