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鎮ㄥソ锛屾杩庝締鍒扮董搴浕瀛愬競鍫寸恫(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩肩恫(w菐ng) > IC鐧剧 > CD74HC253

CD74HC253 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/6 20:38:02 鏌ョ湅 闁辫畝锛�29

CD74HC253鏄竴绋洐4閬�1鏁�(sh霉)鎿�(j霉)閬告搰鍣�/澶氳矾寰�(f霉)鐢ㄥ櫒锛屽爆浜�74HC绯诲垪鐨勯珮閫烠MOS閭忚集鍣ㄤ欢銆傝┎鑺墖鑳藉鍦ㄤ綆闆诲鍜岄珮闁嬮棞(gu膩n)閫熷害涓嬪伐浣滐紝鍏锋湁杓冧綆鐨勯潨鎱�(t脿i)闆绘祦娑堣�椼�侰D74HC253寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑锛岀敤浜庡湪澶氬�嬭几鍏ヤ俊铏熶箣闁撻��(j矛n)琛岄伕鎿囷紝骞跺皣閬稿畾鐨勪俊铏熷偝閬炲埌杓稿嚭绔�銆傚畠鍏煎TTL闆诲钩锛屽彲浠ヨ紩鏉捐垏鍏跺畠妯�(bi膩o)婧�(zh菙n)閭忚集绯诲垪鍣ㄤ欢闆嗘垚銆�
銆�銆�CD74HC253鍏�(n猫i)閮ㄥ寘鍚叐鍊嬬崹(d煤)绔嬬殑4閬�1澶氳矾寰�(f霉)鐢ㄥ櫒锛屾瘡鍊嬪京(f霉)鐢ㄥ櫒鏈夊洓鍊嬫暩(sh霉)鎿�(j霉)杓稿叆锛圓0鑷矨3鎴朆0鑷矪3锛�锛屼竴鍊嬮伕鎿囪几鍏ワ紙S0鍜孲1锛�锛屼互鍙婁竴鍊嬩娇鑳界锛圗锛�銆傜暥(d膩ng)浣胯兘绔偤浣庨浕骞虫檪锛屽皪鎳�(y墨ng)鐨勫璺京(f霉)鐢ㄥ櫒铏曚簬婵�娲荤媭鎱�(t脿i)锛涘惁鍓囪几鍑鸿缃偤楂橀樆鎱�(t脿i)銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2V~6V
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锛�10ns锛堝吀鍨嬪�硷紝@Vcc=5V锛�
銆�銆�杓稿叆闆绘祦锛毬�1渭A锛堟渶澶у��锛孈Vcc=4.5V~5.5V锛�
銆�銆�杓稿嚭闆绘祦锛毬�25mA锛堟渶澶у��锛孈Vcc=4.5V~5.5V锛�
銆�銆�灏佽褰㈠紡锛歋OIC-16銆丳DIP-16

鐗规��

CD74HC253鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀�烠MOS鎶�琛�(sh霉)锛屽偝鎾欢閬叉檪闁撶煭銆�
銆�銆�2. 瀵浕婧愰浕澹撹寖鍦嶏紙2V鑷�6V锛�锛岄仼鎳�(y墨ng)鎬у挤(qi谩ng)銆�
銆�銆�3. 杓稿叆鍏峰倷浜屾サ绠′繚璀�(h霉)鍔熻兘锛岄槻姝㈤潨闆绘悕澹�銆�
銆�銆�4. 杓稿嚭椹�(q奴)鍕曡兘鍔涜純寮�(qi谩ng)锛岃兘澶犵洿鎺ラ﹨(q奴)鍕昄ED鎴栧叾浠栭倧杓杸銆�
銆�銆�5. 鍏峰倷楂橀樆鎱�(t脿i)杓稿嚭鍔熻兘锛屽厑瑷辩附绶氭噳(y墨ng)鐢ㄤ腑鐨勫璺京(f霉)鐢ㄣ��
銆�銆�6. 鑸嘥TL銆丆MOS绛夐倧杓浕骞冲吋瀹�锛屼究浜庣郴绲�(t菕ng)闆嗘垚銆�
銆�銆�7. 灏佽灏忓阀锛岄仼鍚堢┖闁撳彈闄愮殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�

鎳�(y墨ng)鐢�

CD74HC253閬╃敤浜庡悇绋渶瑕佸璺京(f霉)鐢ㄥ姛鑳界殑鍫村悎锛屽父瑕嬬殑鎳�(y墨ng)鐢ㄥ牬鏅寘鎷細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)涓皪澶氬�嬪偝鎰熷櫒淇¤櫉鐨勯伕鎿囥��
銆�銆�2. 鏁�(sh霉)瀛楅�氫俊绯荤当(t菕ng)涓(sh铆)鐝�(xi脿n)淇￠亾鍒囨彌銆�
銆�銆�3. 瑷�(j矛)绠楁(j墨)涓绘澘涓婁綔鐐哄湴鍧�瑙ｇ⒓鍣ㄦ垨鏁�(sh霉)鎿�(j霉)璺緫鎺у埗鍣�銆�
銆�銆�4. 娓│瑷�(sh猫)鍌欎腑鐢ㄤ簬鍕曟厠(t脿i)淇¤櫉鍒囨彌銆�
銆�銆�5. 宓屽叆寮忔帶鍒剁郴绲�(t菕ng)涓啊鍖栧璺俊铏熺鐞�銆�
銆�銆�6. 闊抽牷/瑕栭牷鍒囨彌鍣ㄤ腑鐢ㄤ簬淇¤櫉璺敱鎺у埗銆�
銆�銆�姝ゅ锛孋D74HC253閭勫彲鐢ㄤ簬妲�(g貌u)寤虹祫鍚堥倧杓浕璺垨鎿�(ku貌)灞曞叾浠栭倧杓姛鑳�銆�

鏇夸唬鍨嬭櫉

74HC253, SN74HC253, MC74HC253

cd74hc253鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�
  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉
  • 瑭㈠児

cd74hc253璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級