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銆�銆�杓稿嚭闆绘祦锛氭渶澶� 25mA
銆�銆�鍌虫挱寤堕伈鏅�(sh铆)闁擄細鍏稿瀷鍊� 7ns
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-40掳C 鑷� +85掳C
銆�銆�灏佽�濆舰寮忥細DIP16銆丼OIC16
銆�銆�闈滄厠(t脿i)闆绘祦锛氬吀鍨嬪�� 1渭A
銆�銆�鍣�鑱插�归檺锛氶珮闆诲钩 鈮� 0.8V锛屼綆闆诲钩 鈮� 0.5V

SN74AHCT138 鐨勬牳蹇冨姛鑳芥槸灏� 3 浣嶄簩閫�(j矛n)鍒惰几鍏ヤ俊铏�(h脿o)杞�(zhu菐n)鎻涚偤 8 鍊�(g猫)鐛�(d煤)绔嬬殑杓稿嚭淇¤櫉(h脿o)锛屽叾涓�姣忓��(g猫)杓稿嚭浠ｈ〃涓�鍊�(g猫)鍞�涓�鐨勮几鍏ョ祫鍚�銆傚畠鍏锋湁涓夊��(g猫)浣胯兘绔�锛圙1銆丟2A 鍜� G2B锛�锛岄�氶亷(gu貌)鍚堢悊閰嶇疆閫欎簺浣胯兘绔�鍙�浠ュ��(sh铆)鐝�(xi脿n)灏�(du矛)璀�纰煎姛鑳界殑闈堟椿鎺у��銆�
銆�銆�瑭茶姱鐗囬倓鍏峰倷浠ヤ笅鐗归粸(di菐n)锛�
銆�銆�1. 楂橀�� CMOS 鎶�琛�(sh霉)锛岀⒑淇濅綆鍔熻�楀拰蹇�閫熼熆鎳�(y墨ng)銆�
銆�銆�2. 瀵�宸ヤ綔闆诲�撹寖鍦�锛岄仼鎳�(y墨ng)鎬у挤(qi谩ng)銆�
銆�銆�3. 杓稿嚭鐐哄畬鍏ㄤ簰瑁�(b菙)鐨勪笁鎱�(t脿i)妯″紡锛屾柟渚胯垏鍏跺畠绺界窔(xi脿n)绯荤当(t菕ng)闆嗘垚銆�
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SN74AHCT138 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇�瑕佸湴鍧�璀�纰兼垨淇¤��(h脿o)鍒嗛厤鐨勫悇绋�闆诲瓙绯荤��(t菕ng)涓�锛屼緥濡傦細
銆�銆�1. 瑷�(j矛)绠楁��(j墨)鍙婂�栧湇瑷�(sh猫)鍌欎腑鐨勫瓨鍎�(ch菙)鍣ㄥ湴鍧�璀�纰�銆�
銆�銆�2. 宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓�鐨勫�氳矾淇¤櫉(h脿o)閬告搰鑸囧垎閰�銆�
銆�銆�3. 椤�绀哄櫒椹�(q奴)鍕�(d貌ng)闆昏矾涓�鐨勮�屽垪鎺冩弿鎺у埗銆�
銆�銆�4. 鏁�(sh霉)鎿�(j霉)閫氫俊闋�(l菒ng)鍩熶腑鐨勪俊閬撳垏鎻涜垏璺�鐢辩�＄悊銆�
銆�銆�5. 娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝佷腑鐨勬寜閸电煩闄ｆ巸鎻忕瓑銆�
銆�銆�鐢变簬鍏跺嚭鑹茬殑鎬ц兘鍜屽彲闈犳��锛岄�欐�捐姱鐗囧湪鐝�(xi脿n)浠ｉ浕瀛愯ō(sh猫)瑷�(j矛)涓�浠嶇劧鍗犳��(j霉)閲嶈�佸湴浣�銆�

74HC138, 74HCT138, CD74HC138