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SN74LS148 鏄竴娆惧熀浜� TTL锛堟櫠楂旂-鏅堕珨绠￠倧杓級鎶�琛撶殑 8 绶�-3 绶氬劒(y艒u)鍏堢法纰煎櫒銆傝┎鍣ㄤ欢涓昏鐢ㄤ簬灏囧鍊嬭几鍏ヤ俊铏熻綁鎻涚偤浜岄�插埗绶ㄧ⒓杓稿嚭锛屽唬娉涙噳鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō瑷堜腑銆�
銆�銆�瑭茶姱鐗囧叿鏈夊劒(y艒u)鍏堢礆绶ㄧ⒓鍔熻兘锛岀暥澶氬�嬭几鍏ュ悓鏅傜偤浣庨浕骞虫檪锛屽劒(y艒u)鍏堢法纰兼渶浣庣法铏熺殑杓稿叆淇¤櫉銆傛澶�锛屽畠閭勫寘鍚竴鍊嬬墖閬歌几鍏ュ紩鑵冲拰涓�鍊嬮潪娉曠⒓鎸囩ず杓稿嚭寮曡叧锛屼互渚夸簬绯荤当(t菕ng)鎺у埗鍜岄尟瑾ゆ娓�銆�
杓稿叆闆诲锛�5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�22ns锛堝吀鍨嬪��锛屾渶澶у�肩偤 35ns锛�
銆�銆�鍔熻�楋細绱� 160mW锛堟渶澶у�硷級
銆�銆�灏佽褰㈠紡锛欴IP-16 鎴� SOIC-16
SN74LS148 鍏锋湁浠ヤ笅闂滈嵉鐗规�э細
銆�銆�1. 8 绶氬埌 3 绶氱殑鍎�(y艒u)鍏堢法纰煎姛鑳�锛岃兘澶犺檿鐞嗗閬� 8 鍊嬭几鍏ヤ俊铏熷苟鐢熸垚灏嶆噳鐨� 3 浣嶄簩閫插埗绶ㄧ⒓銆�
銆�銆�2. 鐗囬伕杓稿叆锛圫trobe Input, G锛夊厑瑷辩敤鎴跺暉鐢ㄦ垨绂佺敤绶ㄧ⒓鍣ㄥ姛鑳斤紝鏂逛究鑸囧叾浠栬ō鍌欓泦鎴�銆�
銆�銆�3. 闈炴硶纰兼寚绀鸿几鍑猴紙GS锛夌敤浜庢娓槸鍚﹀瓨鍦ㄦ湁鏁堢殑浣庨浕骞宠几鍏ヤ俊铏�銆�
銆�銆�4. 杓稿叆淇濊闆昏矾纰轰繚鍦ㄩ珮闃绘厠(t脿i)鎴栨诞鍕曠媭鎱�(t脿i)涓嬩笉鏈冪敘(ch菐n)鐢熻鍕曚綔銆�
銆�銆�5. 閲囩敤 LS-TTL 鎶�琛擄紝鍏煎鍏朵粬妯欐簴 TTL 鍜� CMOS 鍣ㄤ欢銆�
SN74LS148 寤ｆ硾鎳夌敤浜庨渶瑕佸璺俊铏熼伕鎿囧拰绶ㄧ⒓鐨勫牬鏅�锛屼緥濡傦細
銆�銆�1. 鏁�(sh霉)瀛楃郴绲�(t菕ng)涓殑閸电洡鎺冩弿鑸囩法纰笺��
銆�銆�2. 澶氶�氶亾鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)鐨勪俊铏熼爯铏曠悊銆�
銆�銆�3. 宸ユキ(y猫)鎺у埗闋樺煙涓劒(y艒u)鍏堢礆淇¤櫉鐨勯伕鎿囪垏铏曠悊銆�
銆�銆�4. 瑷堢畻姗熺‖浠朵腑鐨勪腑鏂疯珛姹傜法纰�銆�
銆�銆�5. 鍚勯鍎�鍣ㄥ剙琛ㄤ腑鐨勪俊铏熷绺垏鍌宠几鍎�(y艒u)鍖�銆�
SN74S148, CD4532, 74HC148, 74HCT148
