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鎮ㄥソ锛屾杩庝締(l谩i)鍒扮董搴�(k霉)闆诲瓙甯傚牬(ch菐ng)缍�(w菐ng) 鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)

鎮ㄦ墍鍦ㄧ殑浣嶇疆锛�闆诲瓙鍏冨櫒浠堕噰璩�(g貌u)缍�(w菐ng) > IC鐧剧 > SN74ALS139

SN74ALS139 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/6/3 11:33:37 鏌ョ湅 闁辫畝锛�12

SN74ALS139鏄竴绋洐2-4绶氳纰煎櫒/瑙ｇ⒓鍣紝灞簬74绯诲垪閭忚集鑺墖涓殑ALS锛圓dvanced Low Power Schottky锛夊鏃�銆傝┎鑺墖涓昏鐢ㄤ簬灏囧叐鍊�(g猫)杓稿叆淇¤櫉(h脿o)杞�(zhu菐n)鎻涚偤鍥涘��(g猫)杓稿嚭淇¤櫉(h脿o)锛屾敮鎸佸璺伕鎿囧拰鏁�(sh霉)鎿�(j霉)璺敱绛夋噳(y墨ng)鐢�銆傚叾瑷�(sh猫)瑷�(j矛)鍏锋湁浣庡姛鑰�銆侀珮閫熷害鐨勭壒榛�(di菐n)锛岄仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺郴绲�(t菕ng)涓�銆�
銆�銆�SN74ALS139鍏�(n猫i)閮ㄥ寘鍚叐鍊�(g猫)鐛�(d煤)绔嬬殑2-4绶氳纰煎櫒锛屾瘡鍊�(g猫)璀⒓鍣ㄩ兘鏈夌崹(d煤)绔嬬殑浣胯兘绔紝鍙互鍠崹(d煤)鎺у埗鍏跺伐浣滅媭鎱�(t脿i)銆傞�欎娇寰楄┎鑺墖鍦ㄥ京(f霉)闆滅殑鏁�(sh霉)瀛楅倧杓ō(sh猫)瑷�(j矛)涓潪甯搁潏娲伙紝鑳藉婊胯冻澶氱ó鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅殑闇�姹�銆�

鍙冩暩(sh霉)

閭忚集椤炲瀷锛氶洐2-4绶氳纰煎櫒/瑙ｇ⒓鍣�
銆�銆�宸ヤ綔闆诲鑼冨湇锛�4.5V 鑷� 5.5V
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細15ns锛堝吀鍨嬪�硷級
銆�銆�鍔熻�楋細浣庡姛鑰�
銆�銆�灏佽褰㈠紡锛欴IP16銆丼OIC16
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�杓稿叆闆绘祦锛毬�1mA
銆�銆�杓稿嚭闆绘祦锛氭簮闆绘祦8mA锛屽尟闆绘祦16mA

鐗规��

SN74ALS139鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 闆�2-4绶氳纰煎姛鑳�锛屽彲鍚屾檪(sh铆)铏曠悊鍏╃祫鐛�(d煤)绔嬬殑杓稿叆淇¤櫉(h脿o)銆�
銆�銆�2. 鐛�(d煤)绔嬬殑浣胯兘绔ō(sh猫)瑷�(j矛)锛屽厑瑷卞垎鍒ユ帶鍒跺叐鍊�(g猫)璀⒓鍣ㄧ殑宸ヤ綔鐙�鎱�(t脿i)銆�
銆�銆�3. ALS宸ヨ棟鍒堕��锛屾彁渚涢珮閫熷害鑸囦綆鍔熻�楃殑鎬ц兘骞宠　銆�
銆�銆�4. 瀵伐浣滄韩搴﹁寖鍦嶏紝閬╃敤浜庡伐妤�(y猫)绱�(j铆)鍜岃粛鐢ㄧ礆(j铆)鎳�(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�
銆�銆�5. 杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏寮�(qi谩ng)锛岃兘澶犵洿鎺ラ﹨(q奴)鍕�(d貌ng)LED鎴栧叾浠栭倧杓杸(m茅n)闆昏矾銆�
銆�銆�6. 灏佽褰㈠紡澶氭ǎ锛屼究浜庝笉鍚屽牬(ch菐ng)鏅笅鐨勫畨瑁濆拰浣跨敤銆�

鎳�(y墨ng)鐢�

SN74ALS139寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆�銆�1. 鏁�(sh霉)瀛楃郴绲�(t菕ng)涓殑鍦板潃璀⒓鍜屾暩(sh霉)鎿�(j霉)閬告搰銆�
銆�銆�2. 澶氳矾寰�(f霉)鐢ㄥ拰瑙ｅ京(f霉)鐢ㄩ浕璺�銆�
銆�銆�3. 瀛樺劜(ch菙)鍣ㄦ摯(ku貌)灞曞拰澶栧湇瑷�(sh猫)鍌欐帴鍙ｈō(sh猫)瑷�(j矛)銆�
銆�銆�4. 宸ユキ(y猫)鎺у埗鍜岃嚜鍕�(d貌ng)鍖栫郴绲�(t菕ng)銆�
銆�銆�5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝佷腑鐨勪俊铏�(h脿o)璺敱銆�
銆�銆�6. 娓�(c猫)瑭︽脯(c猫)閲忚ō(sh猫)鍌欎腑鐨勯倧杓帶鍒堕浕璺�銆�

鏇夸唬鍨嬭櫉(h脿o)

SN74LS1399
銆�銆�CD74HC139

sn74als139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)

sn74als139璩囨枡 鏇村>

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