鏅傞枔锛�2025/5/30 22:43:14
闁辫畝锛�15
SN54HCT138鏄竴绋珮鎬ц兘鐨勪笁绶氳嚦鍏窔瑙ｇ⒓鍣�/婕旂ず鍣ㄨ姱鐗�锛屽唬娉涙噳鐢ㄤ簬鏁�(sh霉)瀛楅浕璺ō瑷堜腑銆傝┎鍣ㄤ欢鑳藉?q奴)鈶烽交鈧簩閫插埗杓稿叆淇¤櫉杞�(zhu菐n)鎻涚偤鍏�嬭几鍑轰俊铏熶箣涓�锛岄仼鐢ㄤ簬鍦板潃璀⒓銆佹暩(sh霉)鎿�(j霉)閬告搰浠ュ強绲勫悎閭忚集闆昏矾绛夊绋噳鐢ㄥ牬鏅�傚畠灞簬HCT绯诲垪锛屽叿鏈夐珮鍏煎鎬у拰浣庡姛鑰楃壒鎬�锛屽伐浣滈浕澹撹寖鍦嶈純寤�锛岃兘澶犲湪4.5V鑷�6V涔嬮枔绌�(w臎n)瀹氶亱琛屻��
銆�銆�SN54HCT138閲囩敤闆欐サ鎬ф櫠楂旂鎶�琛撳埗閫�锛岀⒑淇濅簡鍏跺湪楂橀牷鎿嶄綔涓嬬殑鍎�(y艒u)鑹�ц兘鍜岀┅(w臎n)瀹氭��銆傛澶�锛屽畠閭勫叿鍌欏揩閫熺殑闁嬮棞閫熷害鍜岃純浣庣殑鍌虫挱寤堕伈鏅傞枔锛岄潪甯搁仼鍚堝皪閫熷害瑕佹眰杓冮珮鐨勬噳鐢ㄥ牬鍚堛��
閭忚集椤炲瀷锛氫笁绶氳嚦鍏窔瑙ｇ⒓鍣�/婕旂ず鍣�
銆�銆�灏佽褰㈠紡锛欴IP-16, SOIC-16
銆�銆�宸ヤ綔闆诲锛圴CC锛夛細4.5V 鑷� 6V
銆�銆�宸ヤ綔闆绘祦锛氭渶澶�20mA
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氭渶澶�18ns
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� 125掳C
銆�銆�杓稿叆闃绘姉锛氱磩2k惟
銆�銆�杓稿嚭闆绘祦锛氭瘡寮曡叧鏈�澶�24mA
1. 灏囦笁鍊嬩簩閫插埗杓稿叆淇¤櫉杞�(zhu菐n)鎻涚偤鍏�嬭几鍑轰俊铏熶箣涓�銆�
銆�銆�2. 鍏�(n猫i)缃笁鍊嬩娇鑳界锛圙1銆丟2A銆丟2B锛夛紝鍏佽ū鐢ㄦ埗闈堟椿鎺у埗鑺墖鐨勫暉鐢ㄦ垨绂佺敤鐙�鎱�(t脿i)銆�
銆�銆�3. 鍏锋湁楂樺櫔鑱插闄�锛岀鍚圝EDEC妯欐簴銆�
銆�銆�4. 宸ヤ綔闆诲鑼冨湇瀵�锛岄仼鎳夊绋浕婧愮挵(hu谩n)澧冦��
銆�銆�5. 杓稿嚭椹�(q奴)鍕曡兘鍔涘挤锛屽彲鐩存帴椹�(q奴)鍕昄ED鎴栧叾浠栧皬鍨嬭矤杓�銆�
銆�銆�6. 閬╃敤浜庡伐妤�(y猫)绱氬拰杌嶇敤绱氭噳鐢�锛岃兘鍦ㄦサ绔韩搴︽浠朵笅鍙潬閬嬭銆�
銆�銆�7. 蹇�熼枊闂滈�熷害鍜屼綆鍌虫挱寤堕伈鏅傞枔锛岄仼鍚堥珮閫熸暩(sh霉)瀛楃郴绲�(t菕ng)銆�
1. 鍦板潃璀⒓锛氱敤浜庤▓绠楁瀛樺劜鍣ㄥ拰鍏朵粬鏁�(sh霉)瀛楃郴绲�(t菕ng)鐨勫湴鍧�璀⒓鍔熻兘銆�
銆�銆�2. 鏁�(sh霉)鎿�(j霉)閬告搰锛氬湪澶氳矾寰╃敤鍜屾暩(sh霉)鎿�(j霉)鍌宠几鍫存櫙涓鐝�(xi脿n)鏁�(sh霉)鎿�(j霉)閫氶亾鐨勯伕鎿囥��
銆�銆�3. 绲勫悎閭忚集闆昏矾锛氭寤哄京闆滅殑閭忚集闁�闆昏矾浠ュ煼(zh铆)琛岀壒瀹氱殑鍔熻兘銆�
銆�銆�4. 绶ㄧ⒓鑸囪В纰硷細鍦ㄩ�氫俊绯荤当(t菕ng)涓畬鎴愮法纰煎拰瑙ｇ⒓浠诲嫏銆�
銆�銆�5. 椤ず椹�(q奴)鍕曪細閰嶅悎鍏朵粬椤ず瑷倷瀹屾垚瀛楃鎴栧湒褰㈤’绀�銆�
銆�銆�6. 鎺у埗淇¤櫉鐢熸垚锛氬湪鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓敓鎴愬悇绋帶鍒朵俊铏�銆�
SN74HCT138
