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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 > SN74HC139

SN74HC139 鐧�(f膩)甯冩檪闁� 鏅傞枔锛�2025/5/21 23:09:40 鏌ョ湅 闁辫畝锛�17

SN74HC139 鏄竴娆鹃洐2-4绶氳纰煎櫒/瑙ｇ⒓鍣�锛屽爆浜�74HC绯诲垪鐨勯珮閫烠MOS鍣ㄤ欢銆傝┎鑺墖鍏锋湁浣庡姛鑰楀拰楂樺櫔鑱插闄愮殑鐗归粸锛岄仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅倧杓浕璺腑鐨勫湴鍧�璀⒓銆佷俊铏熼伕鎿囧拰鏁�(sh霉)鎿�(j霉)鍒嗛厤绛夋噳(y墨ng)鐢�銆�
銆�銆�SN74HC139 鍖呭惈鍏╁�嬬崹绔嬬殑2-4绶氳纰煎櫒锛屾瘡鍊嬭纰煎櫒鏈夊叐鍊嬭几鍏ョ锛圓0 鍜� A1锛夊拰鍥涘�嬭几鍑虹锛圷0 鍒� Y3锛�銆傞�氶亷浣胯兘绔紙G1 鍜� G2锛夊彲浠ユ帶鍒惰纰煎櫒鐨勫伐浣滅媭鎱�(t脿i)銆傜暥浣胯兘绔湁鏁堟檪锛岃几鍏ヤ俊铏熻璀⒓骞惰几鍑哄埌灏嶆噳(y墨ng)鐨勮几鍑虹銆�

鍙冩暩(sh霉)

闆绘簮闆诲锛�2V 鑷� 6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�7ns锛堝湪Vcc=4.5V, f=1MHz姊濅欢涓嬶級
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銆�銆�杓稿嚭闆绘祦锛�-4mA锛堜綆闆诲钩锛�锛�4mA锛堥珮闆诲钩锛�
銆�銆�灏佽褰㈠紡锛歋OIC-16锛孭DIP-16

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SN74HC139 鍏锋湁浠ヤ笅涓昏鐗规�э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伐浣滈浕澹撹寖鍦�锛屽吋瀹�3V銆�5V鍜屼粙浜庡叐鑰呬箣闁撶殑渚涢浕闆诲銆�
銆�銆�3. 妤典綆鐨勯潨鎱�(t脿i)闆绘祦娑堣�椼��
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銆�銆�5. 杓稿嚭鐐哄畬鍏ㄤ簰瑁滄帹鎸界祼(ji茅)妲�(g貌u)锛岀⒑淇濊壇濂界殑椹�(q奴)鍕曡兘鍔�銆�
銆�銆�6. 姣忓�嬭纰煎櫒鐛ㄧ珛宸ヤ綔锛岄仼鍚堝璺俊铏熻檿鐞嗗牬鏅�銆�

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SN74HC139 鍙唬娉涙噳(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鍦板潃璀⒓鍣紝鐢ㄤ簬瀛樺劜鍣ㄦ摯灞曟垨澶栬ō(sh猫)鎺ュ彛瑷�(sh猫)瑷�銆�
銆�銆�2. 澶氳矾淇¤櫉閬告搰鑸囧垎閰�锛屼緥濡傚湪澶氳矾寰�(f霉)鐢ㄥ櫒鎴栧垎闋婚浕璺腑銆�
銆�銆�3. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗙郴绲�(t菕ng)涓殑绶ㄧ⒓杞�(zhu菐n)鎻�銆�
銆�銆�4. 鍚勭ó绲勫悎閭忚集闆昏矾瑷�(sh猫)瑷�锛屽鍎�(y艒u)鍏堢礆绶ㄧ⒓鍣�銆佹暩(sh霉)鎿�(j霉)绺界窔鍒囨彌绛�銆�
銆�銆�5. 宸ユキ(y猫)鎺у埗瑷�(sh猫)鍌欎腑鐨勪俊铏熻矾鐢卞強鍒嗛厤銆�
銆�銆�鐢变簬鍏堕珮鍙潬鎬у拰瀵伐浣滈浕澹撹寖鍦�锛孲N74HC139 涔熷父鐢ㄤ簬渚挎敎寮忚ō(sh猫)鍌欏拰宓屽叆寮忕郴绲�(t菕ng)涓�銆�

鏇夸唬鍨嬭櫉

74HCT139, MC74HC139, SN74AHC139

sn74hc139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

sn74hc139璩囨枡 鏇村>

  • 鍨嬭櫉
  • 鎻忚堪
  • 鍝佺墝
  • 闁辫涓嬭級