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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 > 74HC238DB

74HC238DB 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/4/25 18:25:27 鏌ョ湅 闁辫畝锛�32

74HC238DB鏄竴娆鹃珮鎬ц兘鐨�3-8绶氳纰煎櫒鑺墖锛屽爆浜�74HC绯诲垪CMOS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�锛屽叿鏈夎純浣庣殑闈滄厠(t脿i)闆绘祦鍜岃純楂樼殑鍣伈瀹归檺锛岄潪甯搁仼鍚堢敤浜庢暩(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓殑鍦板潃瑙ｇ⒓銆佹暩(sh霉)鎿�(j霉)鍒嗛厤浠ュ強鍏朵粬澶氳矾閬告搰鎳�(y墨ng)鐢�銆�
銆�銆�74HC238DB閫氶亷涓夊��(g猫)杓稿叆绔紙A銆丅銆丆锛夌敘(ch菐n)鐢熷叓鍊�(g猫)杓稿嚭锛圷0鑷砓7锛�锛屽苟鍏峰倷鍏╁��(g猫)浣胯兘绔紙G1銆丟2A/G2B锛�銆傜暥(d膩ng)浣胯兘绔檿浜庢纰虹媭鎱�(t脿i)鏅�(sh铆)锛岃几鍏ヤ俊铏�(h脿o)琚纰兼垚灏嶆噳(y墨ng)鐨勫柈鍊�(g猫)鏈夋晥杓稿嚭銆�

鍙冩暩(sh霉)

渚涢浕闆诲锛�2V~6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C~+85掳C
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶�12ns锛堝湪Vcc=4.5V~5.5V涓嬶級
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪��1渭A锛堝湪Vcc=4.5V~5.5V涓嬶級
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛毬�10mA
銆�銆�杓稿叆闆诲钩鍏煎TTL妯�(bi膩o)婧�(zh菙n)

鐗规��

74HC238DB閲囩敤浜嗗厛閫�(j矛n)鐨凜MOS鎶�琛�(sh霉)鍒堕��锛屽叿鏈変互涓嬩富瑕佺壒鎬э細
銆�銆�1. 宸ヤ綔闆诲鑼冨湇瀵�锛岃兘澶犻仼鎳�(y墨ng)涓嶅悓鐨勯浕婧愮郴绲�(t菕ng)銆�
銆�銆�2. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛岄潨鎱�(t脿i)闆绘祦妤靛皬锛岄仼鍚堜究鏀滃紡瑷�(sh猫)鍌�銆�
銆�銆�3. 楂橀�熸�ц兘锛屽偝鎾欢閬叉檪(sh铆)闁撶煭锛屾豢瓒崇従(xi脿n)浠ｉ珮閫熸暩(sh霉)瀛楅浕璺渶姹�銆�
銆�銆�4. 杓稿叆寮曡叧鑸嘥TL闆诲钩鍏煎锛屼究浜庤垏鍏朵粬閭忚集鍣ㄤ欢浜掕伅(li谩n)銆�
銆�銆�5. 楂樺櫔鑱插闄愮⒑淇濅簡鍙潬鎬у拰绌�(w臎n)瀹氭��銆�
銆�銆�6. 灏忓瀷灏佽锛岀瘈(ji茅)鐪丳CB绌洪枔锛屾敮鎸佽〃闈㈣布瑁濆伐钘濓紙SMD锛�銆�

鎳�(y墨ng)鐢�

74HC238DB寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勯鏁�(sh霉)瀛楃郴绲�(t菕ng)涓紝鍖呮嫭浣嗕笉闄愪簬锛�
銆�銆�1. 鍦板潃瑙ｇ⒓鍣�锛屽湪寰檿鐞嗗櫒绯荤当(t菕ng)涓皣鍦板潃绺界窔淇¤櫉(h脿o)杞�(zhu菐n)鎻涚偤鐗瑰畾鐨勭墖閬镐俊铏�(h脿o)銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)鍒嗛厤鍣紝鐢ㄤ簬灏囧柈涓�鏁�(sh霉)鎿�(j霉)婧愬垎閰嶅埌澶氬��(g猫)鐩(bi膩o)銆�
銆�銆�3. 澶氳矾寰�(f霉)鐢ㄦ帶鍒�锛屽(sh铆)鐝�(xi脿n)灏嶅鍊�(g猫)澶栬ō(sh猫)鐨勯伕鎿囪垏绠＄悊銆�
銆�銆�4. 鍚勭ó娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝�銆佸伐妤�(y猫)鎺у埗瑷�(sh猫)鍌欎互鍙婇�氫俊绯荤当(t菕ng)涓殑閭忚集闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆�銆�鍏堕珮鏁堟�ц兘鍜岄潏娲绘�т娇寰楀畠鎴愮偤鐪惧宸ョ▼甯湪瑷�(sh猫)瑷�(j矛)寰�(f霉)闆滄暩(sh霉)瀛楅浕璺檪(sh铆)鐨勭悊鎯抽伕鎿囥��

鏇夸唬鍨嬭櫉(h脿o)

74HCT238, SN74HC238, MC14553B

74hc238db鎺ㄨ枽渚涙噳(y墨ng)鍟� 鏇村>

  • 鐢�(ch菐n)鍝佸瀷铏�(h脿o)
  • 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)

74hc238db璩囨枡 鏇村>

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

74hc238db鍙冩暩(sh霉)

  • 鍒堕�犲晢NXP
  • 鐢�(ch菐n)鍝佺ó椤�绶ㄧ⒓鍣�銆佽В纰煎櫒銆佸京(f霉)鐢ㄥ櫒鍜岃В寰�(f霉)鐢ㄥ櫒
  • 鐢�(ch菐n)鍝�Decoder / Demultiplexer
  • 閭忚集绯诲垪HC
  • Supply Voltage - Max6 V
  • Supply Voltage - Min2 V
  • 鏈�澶у伐浣滄韩搴�+ 125 C
  • 瀹夎棰�(f膿ng)鏍�SMD/SMT
  • 灏佽 / 绠遍珨SOT-338
  • 灏佽Tube
  • 鏈�灏忓伐浣滄韩搴�- 40 C
  • 宸ュ粻鍖呰鏁�(sh霉)閲�78
  • 闆朵欢铏�(h脿o)鍒ュ悕74HC238DB,112