鍨嬭櫉锛歋N54S257
銆�銆�绯诲垪锛歋N54S
銆�銆�宸ヨ棟锛欳MOS
銆�銆�宸ヤ綔闆诲�撹寖鍦嶏��4.5V 鑷� 5.5V
銆�銆�閫氶亾鏁�(sh霉)閲忥細4
銆�銆�杓稿叆椤炲瀷锛氭柦瀵嗙壒瑙哥櫦(f膩)
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�6ns锛堝吀鍨嬪�硷級
銆�銆�宸ヤ綔婧�搴﹁寖鍦嶏��-55掳C 鑷� 125掳C
銆�銆�灏佽�濆舰寮忥細DIP-16, SOIC-16
銆�銆�鍔熻�楋細浣庡姛鑰�
銆�銆�閭忚集椤炲瀷锛氬�氳矾寰�(f霉)鐢ㄥ櫒

SN54S257 鐨勪富瑕佺壒榛炴槸鍏堕珮鎬ц兘鐨勬暩(sh霉)瀛椾俊铏熷垏鎻涜兘鍔�锛岃兘澶犲湪妤电煭鏅傞枔鍏�(n猫i)瀹屾垚淇¤櫉閬告搰鑸囧偝杓�銆備互涓嬬偤鍏跺叿楂旂壒鎬э細
銆�銆�1. 楂橀�熸�ц兘锛氬偝鎾�寤堕伈鍍呯�� 6ns锛堝吀鍨嬪�硷級锛岄潪甯搁仼鍚堣�佹眰瀵︽檪铏曠悊鍜岄珮閫熼熆鎳�(y墨ng)鐨勭郴绲�(t菕ng)銆�
銆�銆�2. 鏂藉瘑鐗硅Ц鐧�(f膩)杓稿叆锛氬�炲挤浜嗗皪鍣�鑱茬殑鎶垫姉鑳藉姏锛岀⒑淇濆湪涓嶇┅(w臎n)瀹氱殑杓稿叆淇¤櫉姊濅欢涓嬩粛鑳戒繚鎸佺┅(w臎n)瀹氶亱琛屻��
銆�銆�3. 瀵�宸ヤ綔闆诲�撹寖鍦嶏細鏀�鎸� 4.5V 鍒� 5.5V 鐨勪緵闆婚浕澹�锛岀偤绯荤当(t菕ng)瑷�(sh猫)瑷堟彁渚涗簡鏇村ぇ鐨勯潏娲绘��銆�
銆�銆�4. 浣庡姛鑰楄ō(sh猫)瑷堬細椤�钁楅檷浣庤姱鐗囩殑鐧�(f膩)鐔卞晱椤岋紝鐗瑰垾閬╁悎渚挎敎寮忔垨鏁ｇ啽鍙楅檺鐨勮ō(sh猫)鍌�銆�
銆�銆�5. 寤ｆ硾鐨勫伐浣滄韩搴﹁寖鍦嶏細-55掳C 鑷� +125掳C锛屼娇鍏跺彲浠ユ噳(y墨ng)鐢ㄤ簬妤电��鐠�(hu谩n)澧冧笅鐨勫伐妤�(y猫)鎺у埗鍜岃粛浜嬮牁(l菒ng)鍩熴��
銆�銆�6. 灏佽�濆�氭ǎ鎬э細鎻愪緵 DIP-16 鍜� SOIC-16 灏佽��锛屾豢瓒充笉鍚屽畨瑁濋渶姹傘��
銆�銆�閫欎簺鐗归粸浣� SN54S257 鎴愮偤鐪惧�氶渶瑕侀珮閫熸暩(sh霉)鎿�(j霉)鍒囨彌鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆�

SN54S257 鍙�鎳�(y墨ng)鐢ㄤ簬澶氱ó闆诲瓙瑷�(sh猫)鍌欏拰绯荤当(t菕ng)涓�锛屼富瑕佸寘鎷�锛�
銆�銆�1. 鏁�(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)锛氱敤浜庡緸澶氬�嬪偝鎰熷櫒涓�閬告搰涓�鍊嬮�茶�屾��(sh霉)鎿�(j霉)璁�鍙�銆�
銆�銆�2. 宸ユキ(y猫)鑷�鍕曞寲鎺у埗锛氬�︾従(xi脿n)澶氳矾淇¤櫉鐨勫揩閫熷垏鎻�锛屼互閬╂噳(y墨ng)寰�(f霉)闆滅殑宸ユキ(y猫)鎺у埗鐠�(hu谩n)澧�銆�
銆�銆�3. 閫氫俊瑷�(sh猫)鍌欙細濡傝矾鐢卞櫒銆佷氦鎻涙�熺瓑闇�瑕侀珮閫熸暩(sh霉)鎿�(j霉)鍒囨彌鐨勫牬鍚�銆�
銆�銆�4. 瑷堢畻姗熷�栧湇瑷�(sh猫)鍌欙細渚嬪�傛墦鍗版��銆佹巸鎻忓剙涓�鐨勬��(sh霉)鎿�(j霉)閫氶亾绠＄悊銆�
銆�銆�5. 娓�瑭︽脯閲忓剙鍣�锛氬�傜ず娉㈠櫒鍜岄倧杓�鍒嗘瀽鍎�锛岀敤浜庡嫊鎱�(t脿i)鍒囨彌娓�瑭︿俊铏�銆�
銆�銆�6. 杌嶄簨鍜岃埅绌鸿埅澶╅牁(l菒ng)鍩燂細鍥犲叾瀵�婧�搴﹁寖鍦嶅拰鎶楀共鎿捐兘鍔涘挤锛岀壒鍒ラ仼鍚堟儭鍔ｇ挵(hu谩n)澧冧笅浣跨敤銆�
銆�銆�绺戒箣锛屼换浣曢渶瑕侀珮鏁�銆佸彲闈犲湴鍒囨彌澶氳矾鏁�(sh霉)瀛椾俊铏熺殑绯荤当(t菕ng)閮藉彲浠ヨ�冩叜浣跨敤 SN54S257銆�

SN74S257, MC14052B, CD4512B