SN54LS139A 鏅傞枔锛�2025/5/6 16:03:44 闁辫畝锛�30

SN54LS139A 鏄竴娆鹃洐2-4绶氳纰煎櫒/瑙ｇ⒓鍣紝灞簬74LS绯诲垪鐨勪綆鍔熻€楄倴鐗瑰熀TTL鍣ㄤ欢銆傚畠鑳藉?q奴)顣ㄩ檿?浣嶄簩閫�(j矛n)鍒惰几鍏ヤ俊铏熻綁(zhu菐n)鎻涚偤鍥涜矾杓稿嚭淇¤櫉锛屽父鐢ㄤ簬鏁�(sh霉)瀛楅倧杓浕璺腑閫�(j矛n)琛屽湴鍧€璀⒓銆佹暩(sh霉)鎿�(j霉)閬告搰绛夊姛鑳�銆�
銆€銆€瑭茶姱鐗囪ō(sh猫)瑷堢敤浜庨珮閫熼亱琛�锛屽苟涓斿叿鍌欒純浣庣殑鍔熻€楀拰杓冮珮鐨勫櫔鑱插闄�銆傛瘡鍊嬭纰煎櫒閮芥湁鐛ㄧ珛鐨勪娇鑳界锛圗1鍜孍2锛�锛屽彲浠ュ柈鐛ㄦ帶鍒舵瘡绲勮几鍑恒€�

鍙冩暩(sh霉)

闆绘簮闆诲锛�4.75V鑷�5.25V
銆€銆€鍌虫挱寤堕伈鏅傞枔锛氭渶澶�13ns
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C鑷�+125掳C
銆€銆€杓稿叆闆绘祦锛毬�0.4mA
銆€銆€杓稿嚭闆绘祦锛氬惛鏀堕浕娴佹渶澶�8mA锛岃几鍑洪浕娴佹渶澶�4mA
銆€銆€灏佽褰㈠紡锛欴IP16/SOIC16

鐗规€�

SN54LS139A 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 浣庡姛鑰楄倴鐗瑰熀TTL鎶€琛�(sh霉)纰轰繚浜嗛珮鎬ц兘鑸囦綆鍔熻€楃殑绲�(ji茅)鍚�銆�
銆€銆€2. 楂橀€熸搷浣滆兘鍔�锛屽偝鎾欢閬插儏鐐�13ns锛堝吀鍨嬪€硷級銆�
銆€銆€3. 鎻愪緵鍏╃祫鐛ㄧ珛鐨�2-4绶氳纰煎姛鑳�锛屽付鏈夊柈鐛ㄧ殑浣胯兘绔帶鍒躲€�
銆€銆€4. 鑳藉鍦ㄨ純瀵殑宸ヤ綔婧害鑼冨湇鍏�(n猫i)绌�(w臎n)瀹氶亱琛岋紝閬╃敤浜庡伐妤�(y猫)鍜岃粛浜嬬挵(hu谩n)澧�銆�
銆€銆€5. 杓稿嚭鍏锋湁鑹ソ鐨勯﹨(q奴)鍕曡兘鍔涳紝閬╁悎椹�(q奴)鍕曞叾浠朤TL鎴朇MOS鍣ㄤ欢銆�
銆€銆€6. 杓稿叆鍏煎妯�(bi膩o)婧�(zh菙n)TTL闆诲钩锛岀啊鍖栦簡鑸囧叾浠栭倧杓浕璺殑閫ｆ帴銆�
銆€銆€7. 灏佽褰㈠紡澶氭ǎ锛屼究浜庡嵃鍒烽浕璺澘瀹夎鍙婄剨鎺�銆�

鎳�(y墨ng)鐢�

SN54LS139A 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楃郴绲�(t菕ng)涓紝鍏烽珨鎳�(y墨ng)鐢ㄥ牬鏅涓嬶細
銆€銆€1. 鍦板潃璀⒓鍣細鐢ㄤ簬灏囧瓨鍎插櫒鍦板潃杞�(zhu菐n)鍖栫偤鐗瑰畾鑺墖鐨勯伕鎿囦俊铏�銆�
銆€銆€2. 鏁�(sh霉)鎿�(j霉)閬告搰鍣細鍦ㄥ璺几鍏ヤ俊铏熶腑閬告搰涓€璺几鍑�銆�
銆€銆€3. 鎺у埗淇¤櫉鐢熸垚锛氱敤浜庣敓鎴愬京(f霉)闆滅殑鎺у埗淇¤櫉绲勫悎銆�
銆€銆€4. 椤ず椹�(q奴)鍕曪細閰嶅悎椤ず瑷�(sh猫)鍌欏鐝�(xi脿n)娈甸伕鎴栦綅閬告帶鍒�銆�
銆€銆€5. 澶氳矾寰�(f霉)鐢�/瑙ｅ京(f霉)鐢細鍦ㄩ€氫俊绯荤当(t菕ng)涓畬鎴愭暩(sh霉)鎿�(j霉)娴佺殑鍒嗛洟鎴栧悎骞�銆�
銆€銆€6. 宸ユキ(y猫)鎺у埗锛氬PLC銆佹(j墨)鍣ㄤ汉鎺у埗绯荤当(t菕ng)涓殑閭忚集閬嬬畻閮ㄥ垎銆�
銆€銆€7. 娑堣不椤為浕瀛愮敘(ch菐n)鍝侊細濡傞浕瑕�銆侀煶闊跨瓑闇€瑕佺啊鍠倧杓檿鐞嗙殑鍫村悎銆�