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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 > CD54HCT257F3A

CD54HCT257F3A 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/30 9:26:13 鏌ョ湅 闁辫畝锛�31

CD54HCT257F3A鏄竴娆鹃洐鍥涢伕涓�澶氳矾寰�(f霉)鐢ㄥ櫒锛圡UX锛夎姱鐗�锛屽爆浜�74HCT绯诲垪銆傝┎绯诲垪鐨勯倧杓櫒浠朵互楂橀浕骞冲吋瀹规�ц憲绋�锛岃兘澶犲湪TTL鍜孋MOS闆昏矾涔嬮枔鐒＄斧閫ｆ帴銆侰D54HCT257F3A閫氶亷閬告搰鎺у埗杓稿叆淇¤櫉(h脿o)锛屽緸鍥涘��(g猫)杓稿叆涓伕鎿囦竴鍊�(g猫)浣滅偤杓稿嚭锛屽緸鑰屽(sh铆)鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)璺敱鍔熻兘銆�
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鍙冩暩(sh霉)

閭忚集椤炲瀷锛氶洐鍥涢伕涓�澶氳矾寰�(f霉)鐢ㄥ櫒
銆�銆�宸ヤ綔闆诲锛圴cc锛夛細2V ~ 6V
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄紙tpd锛夛細鏈�澶�10ns
銆�銆�杓稿叆婕忛浕娴侊紙IIH/IIL锛夛細卤1渭A
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)闆绘祦锛圛OH/IOL锛夛細-8mA/+24mA
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C ~ +85掳C
銆�銆�灏佽褰㈠紡锛歅DIP銆丼OIC銆乀SSOP

鐗规��

1. 闆欓�氶亾绲�(ji茅)妲�(g貌u)锛氬寘鍚叐鍊�(g猫)鐛�(d煤)绔嬬殑鍥涢伕涓�澶氳矾寰�(f霉)鐢ㄥ櫒锛岃兘澶犲悓鏅�(sh铆)铏曠悊鍏╃祫杓稿叆淇¤櫉(h脿o)銆�
銆�銆�2. 楂橀浕骞冲吋瀹规�э細鏀寔TTL鍜孋MOS闆诲钩杓稿叆锛屽寮�(qi谩ng)浜嗚垏鍏朵粬鏁�(sh霉)瀛楅浕璺殑鍏煎鎬�銆�
銆�銆�3. 蹇�熷垏鎻涢�熷害锛氬偝鎾欢閬叉檪(sh铆)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�4. 瀵伐浣滈浕澹撹寖鍦嶏細鍏佽ū鍦�2V鑷�6V鑼冨湇鍏�(n猫i)姝ｅ父宸ヤ綔锛岄仼鎳�(y墨ng)涓嶅悓鐨勯浕婧愮挵(hu谩n)澧�銆�
銆�銆�5. 浣庨潨鎱�(t脿i)鍔熻�楋細鍏稿瀷寰呮(j墨)闆绘祦灏忎簬1渭A锛岄仼鍚堜綆鍔熻�楁噳(y墨ng)鐢�銆�
銆�銆�6. 楂樺櫔鑱插闄愶細绗﹀悎JEDEC妯�(bi膩o)婧�(zh菙n)锛岀⒑淇濆湪寰�(f霉)闆滈浕纾佺挵(hu谩n)澧冧笅绌�(w臎n)瀹氶亱(y霉n)琛�銆�

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CD54HCT257F3A寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佸璺俊铏�(h脿o)閬告搰鐨勫牬鍚�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閫氫俊绯荤当(t菕ng)锛氱敤浜庡璺暩(sh霉)鎿�(j霉)淇¤櫉(h脿o)鐨勫垏鎻涜垏閬告搰銆�
銆�銆�2. 瑷�(j矛)绠楁(j墨)澶栬ō(sh猫)鎺ュ彛锛氬鎵撳嵃姗�(j墨)銆佹巸鎻忓剙绛夎ō(sh猫)鍌欑殑鏁�(sh霉)鎿�(j霉)璺敱鎺у埗銆�
銆�銆�3. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欙細瀵�(sh铆)鐝�(xi脿n)鍌虫劅鍣ㄤ俊铏�(h脿o)鐨勫揩閫熷垏鎻涖��
銆�銆�4. 娓│娓噺鍎�鍣細鐢ㄤ簬澶氶�氶亾淇¤櫉(h脿o)閲囬泦绯荤当(t菕ng)鐨勪俊铏�(h脿o)閬告搰銆�
銆�銆�5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細濡傞浕瑕�銆侀煶闊跨瓑瑷�(sh猫)鍌欎腑鐨勯煶闋�/瑕栭牷淇¤櫉(h脿o)鍒囨彌銆�
銆�銆�鐢变簬鍏堕洐閫氶亾瑷�(sh猫)瑷�(j矛)鍜岄珮鎬ц兘鐗归粸(di菐n)锛岃┎鑺墖闈炲父閬╁悎闇�瑕佸苟琛岃檿鐞嗗鍊�(g猫)淇¤櫉(h脿o)鐨勬噳(y墨ng)鐢ㄥ牬鏅�銆�

鏇夸唬鍨嬭櫉(h脿o)

SN74HCT257N, MC74HCT257P, NXP 74LVC257A

cd54hct257f3a鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

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  • 渚涙噳(y墨ng)鍟�
  • 鏁�(sh霉)閲�
  • 寤犲晢
  • 灏佽/鎵硅櫉(h脿o)
  • 瑭㈠児(ji脿)

cd54hct257f3a璩囨枡 鏇村>

  • 鍨嬭櫉(h脿o)
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級

cd54hct257f3a鍙冩暩(sh霉)

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