SN74ALS138ANSR 鏅�(sh铆)闁擄細2025/5/10 14:27:01 闁辫畝锛�18

SN74ALS138ANSR 鏄竴娆句笁杓稿叆鍏几鍑鸿纰煎櫒/瑙ｇ⒓鍣紝灞簬 ALS 绯诲垪鐨勯珮绱氫綆鍔熻€楄倴鐗瑰熀 (Advanced Low Power Schottky) 鍣ㄤ欢銆傝┎鑺墖涓昏鐢ㄤ簬灏囦笁浣嶄簩閫�(j矛n)鍒惰几鍏ヤ俊铏熻綁(zhu菐n)鎻涚偤鍏€�(g猫)鐛�(d煤)绔嬬殑杓稿嚭淇¤櫉锛岄仼鐢ㄤ簬鏁�(sh霉)瀛楃郴绲�(t菕ng)涓殑鍦板潃璀⒓銆佹暩(sh霉)鎿�(j霉)閬告搰浠ュ強鎺у埗淇¤櫉鐢熸垚绛夊牬鏅�銆傚叾瑷�(sh猫)瑷�(j矛)娉ㄩ噸浣庡姛鑰楀拰楂橀枊闂�(gu膩n)閫熷害锛屽唬娉涙噳(y墨ng)鐢ㄤ簬瑷�(j矛)绠楁(j墨)銆侀€氫俊瑷�(sh猫)鍌欎互鍙婂叾浠栭渶瑕侀珮鏁堟暩(sh霉)瀛椾俊铏熻檿鐞嗙殑闋�(l菒ng)鍩�銆�
銆€銆€瑭插櫒浠跺叿鏈変笁鍊�(g猫)浣胯兘绔紙E1銆丒2 鍜� E3锛�锛屽彲浠ラ潏娲诲湴鎺у埗鏁村€�(g猫)鑺墖鐨勫伐浣滅媭鎱�(t脿i)锛屽緸鑰屽(sh铆)鐝�(xi脿n)澶氱ó鍔熻兘绲勫悎銆�

鍙冩暩(sh霉)

閭忚集椤炲瀷锛�3-8绶氳纰煎櫒/瑙ｇ⒓鍣�
銆€銆€宸ヤ綔闆诲(VCC)锛�4.5V 鑷� 5.5V
銆€銆€鏈€澶у偝鎾欢閬叉檪(sh铆)闁�(tPLH, tPHL)锛�19ns锛堝吀鍨嬪€�锛屽湪VCC=5V鏅�(sh铆)锛�
銆€銆€闈滄厠(t脿i)闆绘祦锛�10渭A锛堟渶澶у€硷紝鍦═A=25掳C鏅�(sh铆)锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� 125掳C
銆€銆€灏佽褰㈠紡锛氶櫠鐡稤IP銆佸鏂橠IP銆丼OIC绛�
銆€銆€杓稿叆闃绘姉锛氱磩2k惟
銆€銆€杓稿嚭椹�(q奴)鍕曡兘鍔涳細鍚告敹闆绘祦24mA锛屾彁渚涢浕娴�8mA

鐗规€�

1. 楂橀€熸€ц兘锛氱敱浜庨噰鐢ㄥ厛閫�(j矛n)鐨勮倴鐗瑰熀鎶€琛�(sh霉)锛孲N74ALS138ANSR 鍏锋湁妤靛揩鐨勫偝鎾欢閬叉檪(sh铆)闁�锛岃兘澶犳豢瓒抽珮闋绘噳(y墨ng)鐢ㄧ殑闇€姹傘€�
銆€銆€2. 浣庡姛鑰楄ō(sh猫)瑷�(j矛)锛氱浉姣斿偝绲�(t菕ng)鐨凾TL鍣ㄤ欢锛孉LS绯诲垪鑺墖鍦ㄤ繚鎸侀珮鎬ц兘鐨勫悓鏅�(sh铆)椤憲闄嶄綆浜嗗姛鑰楋紝闈炲父閬╁悎灏嶈兘鑰楁晱鎰熺殑鎳�(y墨ng)鐢�銆�
銆€銆€3. 瀵伐浣滄韩搴﹁寖鍦嶏細寰�-55掳C鍒�125掳C锛屼娇鍏惰兘澶犲湪鎯″姡鐠�(hu谩n)澧冧笅绌�(w臎n)瀹氶亱(y霉n)琛�锛屽宸ユキ(y猫)鎺у埗鎴栨苯杌婇浕瀛愮郴绲�(t菕ng)銆�
銆€銆€4. 闈堟椿鐨勪娇鑳芥帶鍒讹細閫氶亷涓夊€�(g猫)浣胯兘绔彛锛岀敤鎴跺彲浠ユ牴鎿�(j霉)瀵�(sh铆)闅涢渶姹傝(di脿o)鏁磋姱鐗囩殑鍔熻兘妯″紡锛屼緥濡傜鐢ㄦ墍鏈夎几鍑烘垨?q奴)鈶ゆ枎鑳嫰浣戞垚娑炴嵎鏁佃Д?br>銆€銆€5. 楂樺彲闈犳€э細閲囩敤鎴愮啛鐨勫埗閫犲伐钘�锛屼繚璀変簡闀锋湡浣跨敤鐨勭┅(w臎n)瀹氭€у拰涓€鑷存€с€�
銆€銆€6. 澶氱ó灏佽閬搁爡(xi脿ng)锛氭彁渚涗簡闄剁摲鍜屽鏂欏皝瑁濆舰寮�锛屾柟渚垮鎴舵牴鎿�(j霉)鍏烽珨鎳�(y墨ng)鐢ㄥ牬鏅伕鎿囧悎閬╃殑瑙ｆ焙鏂规銆�

鎳�(y墨ng)鐢�

SN74ALS138ANSR 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓紝甯歌鐨勬噳(y墨ng)鐢ㄥ牬鏅寘鎷細
銆€銆€1. 鍦板潃璀⒓锛氬湪寰檿鐞嗗櫒绯荤当(t菕ng)涓�锛岀敤浜庡皣鍏�(n猫i)瀛樻垨澶栬ō(sh猫)鐨勫湴鍧€淇¤櫉杞�(zhu菐n)鎻涚偤灏嶆噳(y墨ng)鐨勯伕閫氫俊铏熴€�
銆€銆€2. 鏁�(sh霉)鎿�(j霉)閬告搰锛氫綔鐐哄璺京(f霉)鐢ㄥ櫒鐨勪竴閮ㄥ垎锛岄伕鎿囩壒瀹氱殑鏁�(sh霉)鎿�(j霉)閫氶亾閫�(j矛n)琛屽偝杓�銆�
銆€銆€3. 鎺у埗淇¤櫉鐢熸垚锛氱敓鎴愬京(f霉)闆滅殑鎺у埗淇¤櫉搴忓垪锛岀敤浜庡崝(xi茅)瑾�(di脿o)涓嶅悓妯″鐨勬搷浣�銆�
銆€銆€4. 鏁�(sh霉)瀛椾俊铏熻檿鐞嗭細鍙冭垏妲�(g貌u)寤烘洿寰�(f霉)闆滅殑鏁�(sh霉)瀛楅倧杓浕璺�锛屼緥濡傚劒(y艒u)鍏堢礆绶ㄧ⒓鍣�銆佸瘎瀛樺櫒鏂囦欢绛�銆�
銆€銆€5. 宸ユキ(y猫)鑷嫊鍖栵細鐢ㄤ簬瀵�(sh铆)鏅�(sh铆)鐩�(ji膩n)鎺ц垏鎺у埗绯荤当(t菕ng)鐨勪俊铏熻綁(zhu菐n)鎻涜垏鍒嗙櫦(f膩)銆�
銆€銆€6. 閫氫俊鎺ュ彛锛氬公鍔╁(sh铆)鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)鍖呰В鏋愭垨鍗�(xi茅)璀拌綁(zhu菐n)鎻涚瓑鍔熻兘銆�