SNJ54LS490J 鏅傞枔锛�2025/5/13 9:37:04 闁辫畝锛�24

SNJ54LS490J 鏄竴娆惧爆浜� 74LS 绯诲垪鐨勯洐鍥涢伕涓€鏁�(sh霉)鎿�(j霉)閬告搰鍣�/澶氳矾寰�(f霉)鐢ㄥ櫒锛圖ual 4-Channel Data Selector/Multiplexer锛夎姱鐗�銆傝┎鑺墖鍏�(n猫i)閮ㄩ泦鎴愪簡鍏╁€嬬崹(d煤)绔嬬殑鍥涢伕涓€鏁�(sh霉)鎿�(j霉)閬告搰鍣紝鑳藉鏍规摎(j霉)杓稿叆鐨勯伕鎿囦俊铏熷緸鍥涘€嬭几鍏ユ暩(sh霉)鎿�(j霉)涓伕鎿囦竴鍊嬩綔鐐鸿几鍑�銆傞€欑ó椤炲瀷鐨勮姱鐗囧唬娉涙噳(y墨ng)鐢ㄤ簬鏁�(sh霉)瀛楅浕璺腑锛岀敤浜庝俊铏熷垏鎻涖€佹暩(sh霉)鎿�(j霉)璺敱鍜屾帶鍒堕倧杓瓑鍫存櫙銆�
銆€銆€瑭插櫒浠堕噰鐢ㄧ殑鏄� NMOS 鍜� PMOS 娣峰悎鎶€琛�(sh霉)鍒堕€�锛屽叿鏈夎純浣庣殑鍔熻€楀拰杓冨揩鐨勯枊闂�(gu膩n)閫熷害锛岄仼鍚堝湪涓珮闋荤巼鐨勬暩(sh霉)瀛楃郴绲�(t菕ng)涓娇鐢�銆傚叾寮曡叧鎺掑垪瑷�(sh猫)瑷�(j矛)鍏煎妯�(bi膩o)婧�(zh菙n) DIP 灏佽鍜屽叾浠栧父瑕嬪皝瑁濆舰寮忋€�

鍙冩暩(sh霉)

閭忚集绯诲垪锛�74LS
銆€銆€宸ヤ綔闆诲鑼冨湇锛�4.75V 鑷� 5.25V
銆€銆€鍌虫挱寤堕伈鏅傞枔锛氭渶澶�12ns锛堝吀鍨嬪€硷級
銆€銆€鍔熻€楋細鏈€澶� 25mW锛堟瘡闁€锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆€銆€灏佽褰㈠紡锛欴IP銆丼OIC

鐗规€�

SNJ54LS490J 鐨勪富瑕佺壒鎬у寘鎷細
銆€銆€1. 鍏�(n猫i)缃洐閫氶亾鍥涢伕涓€鏁�(sh霉)鎿�(j霉)閬告搰鍣紝鍏佽ū鍚屾檪铏曠悊鍏╃祫鐛�(d煤)绔嬬殑杓稿叆鏁�(sh霉)鎿�(j霉)銆�
銆€銆€2. 楂橀€熼亱(y霉n)琛岃兘鍔涳紝鍌虫挱寤堕伈鏅傞枔鐭�锛岄仼鐢ㄤ簬瀵�(sh铆)鏅傛暩(sh霉)鎿�(j霉)铏曠悊鍫存櫙銆�
銆€銆€3. 杓冧綆鐨勫姛鑰楄ō(sh猫)瑷�(j矛)锛岀壒鍒ラ仼鍚堝皪鍔熻€楁晱鎰熺殑鎳�(y墨ng)鐢ㄥ牬鍚堛€�
銆€銆€4. 杓稿叆淇濊(h霉)闆昏矾瑷�(sh猫)瑷�(j矛)锛屽寮�(qi谩ng)鎶楀共鎿捐兘鍔�锛岀⒑淇濈┅(w臎n)瀹氶亱(y霉n)琛�銆�
銆€銆€5. 寮曡叧甯冨眬鍚堢悊锛屼究浜� PCB 瑷�(sh猫)瑷�(j矛)鍜岀剨鎺�銆�
銆€銆€6. 鏀寔寤ｆ硾鐨勫伐妤�(y猫)绱氭噳(y墨ng)鐢ㄧ挵(hu谩n)澧冿紝閬╂噳(y墨ng)鎬ц壇濂�銆�

鎳�(y墨ng)鐢�

SNJ54LS490J 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)閫氫俊瑷�(sh猫)鍌欎腑鐨勪俊铏熷垏鎻涘拰璺敱鎺у埗銆�
銆€銆€2. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑澶氳矾鏁�(sh霉)鎿�(j霉)閲囬泦鑸囪檿鐞�銆�
銆€銆€3. 瑕栭牷鍜岄煶闋昏ō(sh猫)鍌欎腑鐨勪俊铏熼伕鎿囪垏鍒嗛厤銆�
銆€銆€4. 娓│娓噺鍎€鍣ㄤ腑鐨勫璺几鍏ュ垏鎻涘姛鑳姐€�
銆€銆€5. 瑷�(j矛)绠楁(j墨)澶栬ō(sh猫)鍙婂祵鍏ュ紡绯荤当(t菕ng)鐨勪俊铏熺鐞嗘ā濉�銆�
銆€銆€6. 閱�(y墨)鐧傞浕瀛愯ō(sh猫)鍌欎腑鐨勫璺偝鎰熷櫒淇¤櫉铏曠悊閮ㄥ垎銆�