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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 > CD74HC20

CD74HC20 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/6 20:22:12 鏌ョ湅 闁辫畝锛�28

CD74HC20 鏄竴娆鹃洐鍥涜几鍏ヨ垏闁�闆嗘垚闆昏矾锛屽爆浜� HC 绯诲垪鐨勯珮閫� CMOS 鍣ㄤ欢銆傝┎鑺墖鍏煎 TTL 鍜� CMOS 闆诲钩锛屽叿鏈変綆鍔熻�楀拰楂樺櫔鑱插闄愮殑鐗归粸(di菐n)銆傚叾宸ヤ綔闆诲鑼冨湇鐐� 2V 鑷� 6V锛屽湪 5V 宸ヤ綔姊濅欢涓嬭〃鐝�(xi脿n)鍑鸿壇濂界殑鎬ц兘銆�
銆�銆�CD74HC20 鐨勯倧杓姛鑳芥槸鎻愪緵鍏╁�嬬崹(d煤)绔嬬殑鍥涜几鍏ヨ垏闁�锛屽彲鐢ㄤ簬寰�(f霉)闆滅殑鏁�(sh霉)瀛楅倧杓ō(sh猫)瑷�(j矛)锛屼緥濡備俊铏熸娓�銆佸悓姝ユ帶鍒舵垨绲勫悎閭忚集闆昏矾涓�銆�

鍙冩暩(sh霉)

渚涢浕闆诲锛�2V - 6V
銆�銆�宸ヤ綔闆绘祦锛氭渶澶� 10渭A锛堝緟姗�(j墨)妯″紡锛�
銆�銆�杓稿嚭闆绘祦锛毬�25mA
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氱磩 18ns锛堝吀鍨嬪��锛孈 Vcc=5V锛�
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛歋OIC-14, PDIP-14

鐗规��

1. 楂橀�� CMOS 鎶�琛�(sh霉)锛岀⒑淇濇洿蹇殑闁嬮棞(gu膩n)閫熷害鍜屾洿浣庣殑鍔熻��銆�
銆�銆�2. 瀵伐浣滈浕澹撹寖鍦嶏紝閬╁悎澶氱ó鎳�(y墨ng)鐢ㄥ牬鏅�銆�
銆�銆�3. 妤典綆闈滄厠(t脿i)鍔熻�楋紝鏈夊姪浜庡欢闀烽浕姹犱緵闆昏ō(sh猫)鍌欑殑浣跨敤澹藉懡銆�
銆�銆�4. 楂樺櫔鑱插闄�锛岀⒑淇濆湪鍢堥洔鐠�(hu谩n)澧冧笅浠嶈兘绌�(w臎n)瀹氶亱(y霉n)琛�銆�
銆�銆�5. 鍏煎 TTL 鍜� CMOS 杓稿叆杓稿嚭闆诲钩锛屼究浜庤垏鍏朵粬閭忚集鍣ㄤ欢闆嗘垚銆�
銆�銆�6. 鎻愪緵妯�(bi膩o)婧�(zh菙n)灏佽锛屾槗浜庣剨鎺ュ拰瀹夎锛岄仼鍚堟壒閲忕敓鐢�(ch菐n)銆�
銆�銆�7. 鑹ソ鐨勭啽绌�(w臎n)瀹氭��锛岃兘澶犲湪瀵韩鑼冨湇鍏�(n猫i)鍙潬宸ヤ綔銆�

鎳�(y墨ng)鐢�

CD74HC20 涓昏鐢ㄤ簬闇�瑕佸杓稿叆閭忚集绲勫悎鐨勬噳(y墨ng)鐢ㄥ牬鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆�銆�1. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗕腑鐨勫京(f霉)闆滈倧杓亱(y霉n)绠�銆�
銆�銆�2. 鍚屾闆昏矾瑷�(sh猫)瑷�(j矛)锛屼緥濡傛檪閻樹俊铏熷悓姝�銆�
銆�銆�3. 澶氭浠舵娓郴绲�(t菕ng)锛屽瀹夊叏鐩�(ji膩n)鎺ф垨鐙�鎱�(t脿i)鎸囩ず銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栨帶鍒朵腑鐨勪俊铏熻檿鐞�銆�
銆�銆�5. 娑堣不(f猫i)闆诲瓙鐢�(ch菐n)鍝佺殑閭忚集鎺у埗妯″銆�
銆�銆�6. 閫氫俊瑷�(sh猫)鍌欎腑鐨勪俊铏熻矾鐢辨帶鍒�銆�
銆�銆�鐢变簬鍏朵綆鍔熻�楀拰楂樺彲闈犳�э紝瑭茶姱鐗囬潪甯搁仼鍚堜究鏀滃紡瑷�(sh猫)鍌欏拰宓屽叆寮忕郴绲�(t菕ng)涓殑浣跨敤銆�

鏇夸唬鍨嬭櫉

74HC20, SN74HC20, MC74HC20

cd74hc20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

cd74hc20璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級