閭忚集椤�(l猫i)鍨嬶細3-8 绶氳��纰煎櫒/瑙ｇ⒓鍣�
銆�銆�杓稿叆鏁�(sh霉)閲忥細3
銆�銆�杓稿嚭鏁�(sh霉)閲忥細8
銆�銆�闆绘簮闆诲��(Vcc)锛�1.5V 鑷� 6V
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-55掳C 鑷� +125掳C
銆�銆�灏佽�濋��(l猫i)鍨嬶細SOIC, PDIP, TSSOP
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈�澶� 9ns (鍏稿瀷鍊�)
銆�銆�闈滄厠(t脿i)闆绘祦锛氭渶澶� 1渭A (鍦� Vcc=5V 鏅�(sh铆))
銆�銆�杓稿嚭椹�(q奴)鍕�(d貌ng)鑳藉姏锛毬�24mA

SN74AHC138 鎻愪緵浜嗛珮鏁堢殑閭忚集鎺у埗鍔熻兘锛岃兘澶犳牴鎿�(j霉)涓夊��(g猫)杓稿叆淇¤櫉(h脿o)鐢熸垚灏�(du矛)鎳�(y墨ng)鐨勫叓鍊�(g猫)杓稿嚭涔嬩竴銆�
銆�銆�鍏朵富瑕佺壒鎬у寘鎷�锛�
銆�銆�1. 楂橀�熸�ц兘锛欰HC 鎶�琛�(sh霉)浣垮叾鍏峰倷蹇�閫熷偝鎾�寤堕伈鏅�(sh铆)闁擄紝閬╃敤浜庨珮閫熸暩(sh霉)瀛楃郴绲�(t菕ng)銆�
銆�銆�2. 瀵�闆绘簮闆诲�撹寖鍦嶏細鏀�鎸佸�� 1.5V 鍒� 6V 鐨勬搷浣滈浕澹擄紝澧炲姞浜嗘噳(y墨ng)鐢ㄩ潏娲绘��銆�
銆�銆�3. 浣庡姛鑰楋細鍗充娇鍦ㄩ珮闁�(k膩i)闂�(gu膩n)闋荤巼涓�锛屽櫒浠朵篃鑳戒繚鎸佽純浣庣殑鍔熻�楁按骞�銆�
銆�銆�4. 楂樿几鍑洪﹨(q奴)鍕�(d貌ng)鑳藉姏锛氭瘡鍊�(g猫)杓稿嚭鍙�浠ラ��(q奴)鍕�(d貌ng)澶氶仈(d谩) 24mA 鐨勮矤(f霉)杓夐浕娴侊紝鐒�(w煤)闇�椤嶅�栫殑绶╂矕闆昏��銆�
銆�銆�5. 宸ユキ(y猫)绱�(j铆)婧�搴﹁寖鍦嶏細鑳藉�犲湪妤电��鐠�(hu谩n)澧冧笅鍙�闈犻��(y霉n)琛�锛岄仼鎳�(y墨ng)鍚勭ó宸ユキ(y猫)鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅�銆�
銆�銆�6. 澶氱ó灏佽�濋伕鎿囷細鎻愪�� SOIC銆丳DIP 鍜� TSSOP 灏佽�濆舰寮�锛屼究浜� PCB 甯冨眬瑷�(sh猫)瑷�(j矛)銆�

SN74AHC138 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�纰硷細鐢ㄤ簬寰�铏曠悊鍣ㄧ郴绲�(t菕ng)鐨勫瓨鍎�(ch菙)鍣ㄦ垨澶栬ō(sh猫)鎺ュ彛鍦板潃璀�纰�銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閬告搰锛氬��(sh铆)鐝�(xi脿n)澶氳矾鏁�(sh霉)鎿�(j霉)杓稿叆鐨勯伕鎿囪垏鍒囨彌銆�
銆�銆�3. 鎺у埗淇¤櫉(h脿o)鐢熸垚锛氱敓鎴愮壒瀹氱殑鎺у埗淇¤櫉(h脿o)浠ュ崝(xi茅)瑾�(di脿o)寰�(f霉)闆滅殑鏁�(sh霉)瀛楅浕璺�銆�
銆�銆�4. 澶氬姛鑳介倧杓�绲勫悎锛氱��(ji茅)鍚堝叾浠栭倧杓�闁�(m茅n)浣跨敤锛屾��(g貌u)寤哄京(f霉)闆滅殑甯冪埦鍑芥暩(sh霉)銆�
銆�銆�5. 娑堣不(f猫i)椤�(l猫i)闆诲瓙瑷�(sh猫)鍌欍�侀�氫俊瑷�(sh猫)鍌欏拰宸ユキ(y猫)鎺у埗绯荤当(t菕ng)绛夐兘闇�瑕佺敤鍒版�ら��(l猫i)璀�纰煎櫒渚�(l谩i)瀹屾垚淇¤櫉(h脿o)铏曠悊浠诲嫏(w霉)銆�

SN74HC138, SN74AHCT138, 74F138, 74LS138