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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 > SN74HC138DTR

SN74HC138DTR 鐧�(f膩)甯冩檪(sh铆)闁� 鏅�(sh铆)闁擄細2025/6/10 12:51:11 鏌ョ湅 闁辫畝锛�11

SN74HC138DTR 鏄竴娆鹃珮閫熷害 CMOS 3-8 绶氳纰煎櫒锛屽爆浜� Texas Instruments 鐨� SN74HC 绯诲垪銆傝┎鍣ㄤ欢閲囩敤鍏堥��(j矛n)鐨勭鏌垫サ CMOS 鎶�琛�(sh霉)鍒堕��锛屾彁渚涜垏浣庡姛鐜囪倴鐗瑰熀 (LSTTL) 鐩稿吋瀹圭殑楂樻�ц兘锛屽苟椤憲闄嶄綆鍔熻��銆傚畠閬╃敤浜庡悇绋暩(sh霉)瀛楃郴绲�(t菕ng)涓殑鍦板潃瑙ｇ⒓鍜屾暩(sh霉)鎿�(j霉)璺敱鍔熻兘銆�
銆�銆�姝よ姱鐗囧叿鏈変笁鍊�(g猫)浣胯兘杓稿叆绔紙G1銆丟2A 鍜� G2B锛夛紝鐢ㄤ簬鎺у埗瑷�(sh猫)鍌欑殑鍟熺敤鎴栫鐢�銆傜暥(d膩ng)鎵�鏈変娇鑳借几鍏ュ潎鐐烘湁鏁堢媭鎱�(t脿i)鏅�(sh铆)锛岃几鍏ュ湴鍧�淇¤櫉 A銆丅銆丆 灏囪瑙ｇ⒓鐐哄叓鍊�(g猫)浜掓枼鐨勮几鍑轰箣涓�銆傚鏋滀换涓�浣胯兘杓稿叆鐒℃晥锛屽墖鎵�鏈夎几鍑哄皣璁�?y艒u)妤﹀挦閽丅(t脿i)銆�

鍙冩暩(sh霉)

閭忚集椤炲瀷锛�3-8绶氳纰煎櫒
銆�銆�闆绘簮闆诲(Vcc)锛�2V 鑷� 6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛歋OIC-16
銆�銆�杓稿叆闆诲(Cin)锛氣墹 20pF
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁�(tpd)锛氭渶澶�7ns锛堝湪 Vcc=6V 鏅�(sh铆)锛�
銆�銆�闈滄厠(t脿i)闆绘祦(Icc)锛氬吀鍨嬪�� 1渭A锛堝湪 Vcc=4.5V 鏅�(sh铆)锛�

鐗规��

1. 楂橀�熼亱(y霉n)琛岋細tpd 浣庤嚦 7ns锛堝湪 Vcc=6V 姊濅欢涓嬶級銆�
銆�銆�2. 瀵浕婧愰浕澹撹寖鍦嶏細鏀寔寰� 2V 鍒� 6V 鐨勬搷浣�銆�
銆�銆�3. 杓稿嚭淇濊(h霉)锛氬嵆浣胯秴閬庨浕婧愰浕澹�锛岃几鍏ヤ篃鍏峰倷浜屾サ绠′繚璀�(h霉)鍔熻兘銆�
銆�銆�4. 鍏ㄤ簰瑁�(b菙) MOS 鎶�琛�(sh霉)锛�
銆�銆� - 妤典綆鐨勯潨鎱�(t脿i)鍔熻��銆�
銆�銆� - 杓稿叆鑸� LSTTL 鍏煎銆�
銆�銆�5. 鎵�鏈夎几鍏ュ拰杓稿嚭鍧囧叿鏈夐潨闆绘斁闆�(ESD)淇濊(h霉)闆昏矾銆�
銆�銆�6. 杓稿嚭鍙﹨(q奴)鍕�(d貌ng)澶氶仈(d谩) 10 鍊�(g猫) LSTTL 璨�(f霉)杓夋垨鐩存帴閫ｆ帴鍒板叾浠� CMOS 鍣ㄤ欢銆�

鎳�(y墨ng)鐢�

SN74HC138DTR 寤ｆ硾鎳�(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細
銆�銆� - 鍦ㄥ井铏曠悊鍣ㄧ郴绲�(t菕ng)涓(sh铆)鐝�(xi脿n)瀛樺劜鍣ㄦ垨 I/O 绔彛鐨勯伕鎿�銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閬告搰鍜岃矾鐢憋細
銆�銆� - 鎺у埗澶氳矾寰�(f霉)鐢ㄥ櫒/瑙ｅ京(f霉)鐢ㄥ櫒鐨勬暩(sh霉)鎿�(j霉)娴佹柟鍚戙��
銆�銆�3. 閫氱敤閭忚集瑷�(sh猫)瑷�(j矛)锛�
銆�銆� - 瀵�(sh铆)鐝�(xi脿n)绲勫悎閭忚集鍔熻兘锛屽绶ㄧ⒓杞�(zhu菐n)鎻涙垨寰�(f霉)闆滃竷鐖捐〃閬�(d谩)寮忕殑瀵�(sh铆)鐝�(xi脿n)銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栵細
銆�銆� - 鐢ㄤ簬 PLC 鎴栧祵鍏ュ紡鎺у埗鍣ㄤ腑閫�(j矛n)琛屼俊铏熷垎閰嶃��
銆�銆�5. 娑堣不(f猫i)椤為浕瀛愮敘(ch菐n)鍝侊細
銆�銆� - 鍖呮嫭闆昏銆侀煶闊胯ō(sh猫)鍌欏拰鍏朵粬闇�瑕佺啊鍠倧杓帶鍒剁殑鐢�(ch菐n)鍝�銆�

鏇夸唬鍨嬭櫉

SN74HCT138DTR, MC14514B, HEF4514B

sn74hc138dtr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(ji脿)