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闁辫畝锛�31
SN74LS85 鏄竴娆剧敱寰峰窞鍎�鍣紙TI锛夌敓鐢㈢殑鍥涙瘮鐗逛簩閫插埗 magnitude 姣旇純鍣紝灞簬 74LS 绯诲垪鐨� TTL锛堟櫠楂旂-鏅堕珨绠￠倧杓級鍣ㄤ欢銆傚畠鑳藉姣旇純鍏╁�嬪洓浣嶄簩閫插埗鏁�(sh霉) A 鍜� B 鐨勫ぇ灏�锛屽苟杓稿嚭涓夊�嬬祼鏋滀俊铏燂細A>B銆丄=B 鍜� A
閭忚集椤炲瀷锛歍TL
銆�銆�闆绘簮闆诲(VCC)锛�4.75V 鑷� 5.25V
銆�銆�宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�22ns锛堝吀鍨嬪��锛屽彇姹轰簬鍏烽珨鐗堟湰鍜岃矤杓夋浠讹級
銆�銆�杓稿叆闆绘祦锛�-1mA锛堟渶澶у�硷級
銆�銆�杓稿嚭闆绘祦锛�8mA锛堟渶澶у�硷級
銆�銆�灏佽褰㈠紡锛欴IP锛堥洐鍒楃洿鎻掑紡灏佽锛夋垨 SOIC锛堝皬澶栧舰闆嗘垚闆昏矾灏佽锛�
SN74LS85 鎻愪緵浜嗛珮鏁堢殑鍥涗綅浜岄�插埗鏁�(sh霉)姣旇純鍔熻兘锛屽叾鏍稿績鐗规�у寘鎷細
銆�銆�1. 鍙互鐩存帴姣旇純鍏╁�嬪洓浣嶄簩閫插埗鏁�(sh霉)鐨勫ぇ灏�锛屽苟杓稿嚭鏄庣⒑鐨勭祼鏋滀俊铏� A>B銆丄=B 鍜� A銆�銆�2. 鏀寔澶氱墖绱氳伅(li谩n)浣跨敤锛岄仼鐢ㄤ簬鏇村ぇ浣嶆暩(sh霉)鐨勬瘮杓冧换鍕欙紝渚嬪鍏綅銆佸崄鍏綅绛�銆�
銆�銆�3. 浣跨敤妯欐簴鐨� TTL 閭忚集闆诲钩锛屽吋瀹瑰叾浠� 74LS 绯诲垪鍣ㄤ欢銆�
銆�銆�4. 楂橀�熸�ц兘锛屽湪鍏稿瀷姊濅欢涓嬪叿鏈夎純浣庣殑鍌虫挱寤堕伈鏅傞枔锛屾豢瓒冲鏅傛噳鐢ㄩ渶姹�銆�
銆�銆�5. 绨″柈鏄撶敤锛屽彧闇�閫ｆ帴杓稿叆淇¤櫉鍜岄浕婧愬嵆鍙揩閫熸寤烘瘮杓冮浕璺�銆�
銆�銆�6. 寤ｆ硾鐨勫伐妤�(y猫)妯欐簴灏佽锛屼究浜庤ō瑷堝埌鍚勭ó椤炲瀷鐨� PCB 鏉夸笂銆�
SN74LS85 鍦ㄨū澶氶牁鍩熼兘鏈夊唬娉涙噳鐢�锛屼富瑕侀珨鐝�(xi脿n)鍦ㄤ互涓嬪牬鏅細
銆�銆�1. 鏁�(sh霉)瀛楃郴绲�(t菕ng)涓殑鏁�(sh霉)鎿氭瘮杓冧换鍕�锛屼緥濡傚劒(y艒u)鍏堢礆鎺у埗鎴栧湴鍧�鍖归厤銆�
銆�銆�2. 瑷堢畻姗熼珨绯荤祼妲嬩腑鐢ㄤ簬鏁�(sh霉)鍊兼帓搴忔垨姊濅欢鍒ゆ柗銆�
銆�銆�3. 娓噺鑸囨帶鍒剁郴绲�(t菕ng)涓皪鍌虫劅鍣ㄩ噰闆嗙殑鏁�(sh霉)鎿氶�茶闁惧�兼瘮杓冦��
銆�銆�4. 鑷嫊鍖栬ō鍌欎腑妾㈡脯璁婇噺鏄惁閬斿埌瑷畾鍊�锛屽緸鑰岃Ц鐧�(f膩)鐗瑰畾鍕曚綔銆�
銆�銆�5. 閫氫俊鍗�(xi茅)璀板鐝�(xi脿n)鏅�锛岀敤浜庡箑闋悓姝ユ垨鍏朵粬闂滈嵉瀛楁鐨勫尮閰嶆搷浣溿��
銆�銆�6. 鏁欏瀵﹂涓紨绀烘暩(sh霉)瀛楅倧杓浕璺殑鍩烘湰鍘熺悊銆�
SN54LS85, MC14LS85, DM74LS85
