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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 > SN74HC138

SN74HC138 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/5/6 11:47:05 鏌ョ湅 闁辫畝锛�29

SN74HC138鏄竴娆鹃珮鎬ц兘鐨�3绶氳嚦8绶氳纰煎櫒锛屽爆浜�74HC绯诲垪楂橀�烠MOS鍣ㄤ欢銆傚畠閲囩敤浜嗗厛閫�(j矛n)鐨勭鏌垫サCMOS鎶�琛�(sh霉)鍒堕��锛屽叿鏈変綆鍔熻�楀拰楂橀枊(k膩i)闂�(gu膩n)閫熷害鐨勭壒榛�(di菐n)銆傝┎鑺墖鍙互灏囦笁鍊�(g猫)浜岄��(j矛n)鍒惰几鍏ヤ俊铏�(h脿o)锛圓銆丅銆丆锛夎綁(zhu菐n)鎻涚偤鍏��(g猫)杓稿嚭淇¤櫉(h脿o)锛圷0鑷砓7锛�锛屽苟涓旈�氶亷(gu貌)浣胯兘绔帶鍒惰几鍑虹媭鎱�(t脿i)銆係N74HC138寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑鐨勫湴鍧�璀⒓銆佷俊铏�(h脿o)閬告搰鍜屾暩(sh霉)鎿�(j霉)鍒嗛厤绛夊牬(ch菐ng)鏅�銆�

鍙冩暩(sh霉)

闆绘簮闆诲(VCC)锛�2V~6V
銆�銆�宸ヤ綔闆绘祦锛氭渶澶�50渭A
銆�銆�杓稿嚭璨�(f霉)杓夐浕娴侊細卤4mA
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶�13ns
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55鈩儈+125鈩�
銆�銆�灏佽褰㈠紡锛欴IP16/SOIC16

鐗规��

SN74HC138鍏锋湁浠ヤ笅涓昏鐗规�э細
銆�銆�1. 楂橀�熸�ц兘锛氬偝鎾欢閬叉檪(sh铆)闁撶煭锛岄仼鐢ㄤ簬楂橀牷鏁�(sh霉)瀛楅浕璺�銆�
銆�銆�2. 浣庡姛鑰楋細闈滄厠(t脿i)闆绘祦闈炲父灏�锛岄仼鍚堜究鏀滃紡瑷�(sh猫)鍌欎娇鐢�銆�
銆�銆�3. 瀵伐浣滈浕澹撹寖鍦嶏細鏀寔2V鍒�6V鐨勫伐浣滈浕澹�锛屽吋瀹瑰绋噳(y墨ng)鐢ㄥ牬(ch菐ng)鏅��
銆�銆�4. 澶氫娇鑳界瑷�(sh猫)瑷�(j矛)锛氶�氶亷(gu貌)涓夊��(g猫)浣胯兘绔紙G1銆丟2A銆丟2B锛夐潏娲绘帶鍒惰几鍑虹媭鎱�(t脿i)锛岀暥(d膩ng)鎵�鏈変娇鑳界閮借檿浜庢縺娲荤媭鎱�(t脿i)鏅�(sh铆)锛岃几鍑烘墠鏈�(hu矛)鏍规摎(j霉)杓稿叆淇¤櫉(h脿o)璁婂寲銆�
銆�銆�5. 杓稿嚭淇濊(h霉)鍔熻兘锛氬叿鍌欑煭璺繚璀�(h霉)鍜岄亷(gu貌)婧繚璀�(h霉)鍔熻兘锛屾彁楂樹簡绯荤当(t菕ng)鐨勫彲闈犳��銆�

鎳�(y墨ng)鐢�

SN74HC138鍦ㄨū澶氶牁(l菒ng)鍩熶腑閮芥湁寤ｆ硾鎳�(y墨ng)鐢紝鍖呮嫭浣嗕笉闄愪簬锛�
銆�銆�1. 鍦板潃璀⒓锛氱敤浜庤▓(j矛)绠楁(j墨)瀛樺劜(ch菙)鍣ㄧ郴绲�(t菕ng)涓�锛屽皣鍦板潃绺界窔淇¤櫉(h脿o)杞�(zhu菐n)鎻涚偤鐗瑰畾瀛樺劜(ch菙)鍠厓鐨勯伕鎿囦俊铏�(h脿o)銆�
銆�銆�2. 淇¤櫉(h脿o)閬告搰锛氬湪澶氳矾寰�(f霉)鐢ㄧ郴绲�(t菕ng)涓�锛岀敤浜庡緸澶氬��(g猫)杓稿叆淇¤櫉(h脿o)涓伕鎿囦竴鍊�(g猫)閫�(j矛n)琛岃几鍑恒��
銆�銆�3. 鏁�(sh霉)鎿�(j霉)鍒嗛厤锛氬皣鍠��(g猫)鏁�(sh霉)鎿�(j霉)婧愬垎閰嶅埌澶氬��(g猫)鐩(bi膩o)浣嶇疆銆�
銆�銆�4. 鏁�(sh霉)瀛楅倧杓浕璺細妲�(g貌u)寤哄京(f霉)闆滅殑绲勫悎閭忚集闆昏矾鎴栨檪(sh铆)搴忛倧杓浕璺�銆�
銆�銆�5. 宸ユキ(y猫)鎺у埗锛氱敤浜庡伐妤�(y猫)鑷嫊(d貌ng)鍖栬ō(sh猫)鍌欎腑鐨勪俊铏�(h脿o)铏曠悊鍜屾帶鍒堕倧杓(sh铆)鐝�(xi脿n)銆�

鏇夸唬鍨嬭櫉(h脿o)

74HC138, MC14515, DM74HC138

sn74hc138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)

sn74hc138璩囨枡 鏇村>

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