SN54LS221J 鏅�(sh铆)闁擄細2025/4/30 20:15:04 闁辫畝锛�26

SN54LS221J 鏄竴娆惧熀浜庨洐妤靛瀷鏅堕珨绠℃妧琛�(sh霉)鐨勫洓杓稿叆鑸囬杸(m茅n)閭忚集鑺墖锛屽爆浜�74LS绯诲垪鐨勪綆鍔熻€楄倴鐗瑰熀锛圠ow Power Schottky锛夊櫒浠�銆傝┎鑺墖鍏锋湁蹇€熼枊(k膩i)闂�(gu膩n)閫熷害鍜岃純浣庣殑鍔熻€楃壒鎬�锛岄仼鐢ㄤ簬鍚勭ó鏁�(sh霉)瀛楅浕璺ō(sh猫)瑷�(j矛)涓殑淇¤櫉(h脿o)铏曠悊鍜岄倧杓亱(y霉n)绠�銆傚畠鑳藉鍦ㄥ唬娉涚殑婧害鑼冨湇鍏�(n猫i)绌�(w臎n)瀹氬伐浣�锛岄仼鍚堝伐妤�(y猫)鍜屽晢妤�(y猫)鎳�(y墨ng)鐢�銆�

鍙冩暩(sh霉)

渚涢浕闆诲锛�4.75V 鑷� 5.25V
銆€銆€宸ヤ綔闆绘祦锛氭瘡闁€(m茅n)鍏稿瀷鍊肩偤 10mA
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈€澶� 9ns
銆€銆€杓稿嚭闆绘祦锛氭渶澶� -8mA锛堜綆闆诲钩锛�锛�4mA锛堥珮闆诲钩锛�
銆€銆€宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C

鐗规€�

SN54LS221J 鍏锋湁浠ヤ笅涓昏鐗归粸(di菐n)锛�
銆€銆€1. 蹇€熷偝鎾欢閬叉檪(sh铆)闁�锛岀⒑淇濋珮鏁堢殑鏁�(sh霉)瀛椾俊铏�(h脿o)鍌宠几銆�
銆€銆€2. 浣庡姛鑰楅亱(y霉n)琛�锛屾笡灏戞暎鐔遍渶姹傚苟寤堕暦(zh菐ng)闆绘睜澹藉懡銆�
銆€銆€3. 瀵伐浣滄韩搴﹁寖鍦�锛屼娇鍏堕仼鍚堟儭鍔ｇ挵(hu谩n)澧冧笅鐨勬噳(y墨ng)鐢�銆�
銆€銆€4. 鍥涘€�(g猫)鐛�(d煤)绔嬬殑鑸囬杸(m茅n)閭忚集鍠厓锛屽厑瑷遍潏娲荤殑闆昏矾瑷�(sh猫)瑷�(j矛)銆�
銆€銆€5. 鍏煎 TTL 鍜� CMOS 杓稿叆闆诲钩锛屽寮�(qi谩ng)浜嗚垏鍏朵粬閭忚集鑺墖鐨勪簰鎿嶄綔鎬�銆�

鎳�(y墨ng)鐢�

閫欐鑺墖寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕佸杓稿叆閭忚集鎺у埗鐨勫悇绋牬(ch菐ng)鏅�锛屽寘鎷絾涓嶉檺浜庯細
銆€銆€1. 宸ユキ(y猫)鑷嫊(d貌ng)鍖栫郴绲�(t菕ng)涓殑淇¤櫉(h脿o)妾㈡脯(c猫)鍜岃檿鐞�銆�
銆€銆€2. 娑堣不(f猫i)椤�(l猫i)闆诲瓙鐢�(ch菐n)鍝佷腑鐨勬暩(sh霉)鎿�(j霉)璺緫鎺у埗銆�
銆€銆€3. 瑷�(j矛)绠楁(j墨)澶栬ō(sh猫)鍜岄€氫俊瑷�(sh猫)鍌欎腑鐨勯倧杓亱(y霉n)绠�銆�
銆€銆€4. 娓�(c猫)瑭︽脯(c猫)閲�?j墨)x鍣ㄤ腑鐨勬暩(sh霉)鎿�(j霉)閲囬泦鍜岃檿鐞嗘ā濉�銆�
銆€銆€5. 鑸┖鑸ぉ鍜岃粛浜嬮牁(l菒ng)鍩熺殑鑰愰珮婧€侀珮鎬ц兘閭忚集闆昏矾銆�