鏅傞枔锛�2025/5/6 17:51:13
闁辫畝锛�26
SN54ALS138A 鏄竴绋�3-绶氳嚦8-绶氳纰煎櫒/瑙ｇ⒓鍣�锛屽爆浜�74ALS绯诲垪鐨勯珮閫熶綆鍔熻�楄倴鐗瑰熀鏅堕珨绠�-鏅堕珨绠￠倧杓� (TTL) 鍣ㄤ欢銆傚畠閫氬父鐢ㄤ簬鏁稿瓧闆昏矾涓�锛屽皣3浣嶄簩閫插埗杓稿叆淇¤櫉杞夋彌鐐�8鍊嬬崹绔嬭几鍑轰箣涓�銆�
銆�銆�瑭茶姱鐗囧叿鏈夐珮鍣伈瀹归檺鍜屽揩閫熼枊闂滅壒鎬э紝閬╃敤浜庨渶瑕侀珮闋绘搷浣滅殑鎳夌敤鍫存櫙銆傞�氶亷鍟熺敤鎺у埗杓稿叆锛圙1銆丟2A 鍜� G2B锛�锛屽彲浠ユ柟渚垮湴婵�娲绘垨绂佺敤鎵�鏈夎几鍑恒��
閭忚集椤炲瀷锛�3-绶氳嚦8-绶氳纰煎櫒/瑙ｇ⒓鍣�
銆�銆�渚涢浕闆诲鑼冨湇锛�4.75V 鑷� 5.25V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�9ns锛堝吀鍨嬪�硷級
銆�銆�灏佽褰㈠紡锛欴IP/SOIC
銆�銆�杓稿叆闆绘祦锛毬�1mA
銆�銆�杓稿嚭闆绘祦锛�-20mA锛堜綆闆诲钩锛�锛�2.6mA锛堥珮闆诲钩锛�
銆�銆�鍣伈瀹归檺锛氬吀鍨嬪��280mV
SN54ALS138A 鎻愪緵浜嗛珮搴﹀彲闈犵殑鎬ц兘锛岀壒鍒ラ仼鍚堜簬宸ユキ(y猫)鍜屽晢妤�(y猫)鐢ㄩ��銆傚叾涓昏鐗规�у寘鎷細
銆�銆�1. 蹇�熷偝鎾欢閬叉檪闁�锛岃兘澶犳敮鎸侀珮閬�50MHz鐨勬搷浣滈牷鐜�銆�
銆�銆�2. 鍏峰倷涓夊�嬩娇鑳借几鍏ョ锛屽厑瑷遍潏娲绘帶鍒惰几鍑虹媭鎱�(t脿i)銆�
銆�銆�3. 杓稿嚭椹呭嫊鑳藉姏寮�锛屽彲鐩存帴椹呭嫊澶氬�嬭矤杓�銆�
銆�銆�4. 楂樻姉鍣兘鍔�锛岀⒑淇濆湪寰╅洔闆荤鐠�(hu谩n)澧冧笅浠嶈兘绌�(w臎n)瀹氶亱琛�銆�
銆�銆�5. 瀵伐浣滄韩搴﹁寖鍦�锛岄仼鎳夋サ绔挵(hu谩n)澧冧笅鐨勬噳鐢ㄩ渶姹傘��
SN54ALS138A 寤ｆ硾鎳夌敤浜庡悇椤為渶瑕佸璺伕鎿囨垨鍦板潃璀⒓鍔熻兘鐨勬暩瀛楃郴绲变腑锛屼緥濡傦細
銆�銆�1. 瑷堢畻姗熷収瀛樺湴鍧�瑙ｇ⒓銆�
銆�銆�2. 鏁告摎绺界窔閬告搰鑸囧垎閰�銆�
銆�銆�3. 澶氳矾寰╃敤鑸囪В寰╃敤闆昏矾銆�
銆�銆�4. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勬帶鍒朵俊铏熻檿鐞嗐��
銆�銆�5. 娓│娓噺鍎�鍣ㄧ殑鏁告摎閲囬泦閮ㄥ垎銆�
SN74ALS138A, MC14515, DM74138
