鏅傞枔锛�2025/5/6 18:54:43
闁辫畝锛�24
SN54LS258B 鏄竴绋洐 4 浣嶅悓姝ヤ簩閫插埗瑷堟暩(sh霉)鍣�锛屽爆浜庨珮閫熺鏌垫サ闆欐サ鍨嬫妧琛擄紙TTL锛夌郴鍒椼�傝┎鍣ㄤ欢鍖呭惈鍏╁�嬬崹绔嬬殑 4 浣嶈▓鏁�(sh霉)鍣�锛屾瘡鍊嬭▓鏁�(sh霉)鍣ㄩ兘鍏锋湁鏅傞悩杓稿叆銆佺暟姝ユ竻闆惰几鍏ュ拰鍚屾骞惰鍔犺級鍔熻兘銆�
銆�銆�閫欎簺瑷堟暩(sh霉)鍣ㄥ彲浠ョ礆鑱�(li谩n)浠ュ鐝�(xi脿n)鏇撮暦鐨勮▓鏁�(sh霉)搴忓垪鎴栨寤哄京闆滅殑瑷堟暩(sh霉)閭忚集銆係N54LS258B 鍏锋湁杓冮珮鐨勯枊闂滈�熷害鍜岃純浣庣殑鍔熻��锛屽湪宸ユキ(y猫)鎺у埗銆侀�氫俊瑷倷銆佹暩(sh霉)鎿�(j霉)铏曠悊浠ュ強瑷堟檪鎳夌敤涓唬娉涗娇鐢�銆�
宸ヤ綔闆诲锛�5V 卤 0.25V
銆�銆�鍌虫挱寤堕伈鏅傞枔锛�16ns锛堝吀鍨嬪�硷級
銆�銆�鏈�澶у伐浣滈牷鐜囷細37MHz
銆�銆�闈滄厠(t脿i)闆绘祦锛�10mA锛堟渶澶у�硷級
銆�銆�鍕曟厠(t脿i)闆绘祦锛�25mA锛堟渶澶у�硷級
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�灏佽褰㈠紡锛欴IP銆丼OIC
SN54LS258B 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 楂橀�熸�ц兘锛氶噰鐢ㄥ厛閫茬殑 TTL 宸ヨ棟锛岃兘澶犳敮鎸侀珮閬� 37MHz 鐨勬搷浣滈牷鐜囥��
銆�銆�2. 鐛ㄧ珛鐨勯洐瑷堟暩(sh霉)鍣細鍏х疆鍏╁�嬬崹绔嬬殑 4 浣嶈▓鏁�(sh霉)鍣�锛屽厑瑷卞悓鏅傝檿鐞嗗鍊嬭▓鏁�(sh霉)浠诲嫏銆�
銆�銆�3. 鐣版娓呴浂鍔熻兘锛氶�氶亷瑷疆娓呴浂寮曡叧锛屽彲浠ョ珛鍗冲京浣嶈▓鏁�(sh霉)鍣�銆�
銆�銆�4. 鍚屾骞惰鍔犺級锛氭敮鎸佸皣澶栭儴鏁�(sh霉)鎿�(j霉)鐩存帴鍔犺級鍒拌▓鏁�(sh霉)鍣ㄤ腑銆�
銆�銆�5. 瀵伐浣滄韩搴﹁寖鍦嶏細閬╃敤浜庡悇绋挵(hu谩n)澧冩浠朵笅鐨勬噳鐢�锛屽寘鎷サ绔珮婧拰浣庢韩鍫存櫙銆�
銆�銆�6. 鑹ソ鐨勯浕姘ｅ吋瀹规�э細鑸囨婧� TTL 鍜� CMOS 鍣ㄤ欢鍏煎锛屼究浜庣郴绲�(t菕ng)闆嗘垚銆�
SN54LS258B 鍙敤浜庝互涓嬮牁鍩燂細
銆�銆�1. 鏁�(sh霉)瀛楄▓鏅傚櫒鍜岃▓鏁�(sh霉)鍣ㄩ浕璺�銆�
銆�銆�2. 宸ユキ(y猫)鑷嫊鍖栦腑鐨勮剤娌栬▓鏁�(sh霉)鍜岄牷鐜囨脯閲�銆�
銆�銆�3. 閫氫俊绯荤当(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)骞�鍚屾鍜屽垎闋�銆�
銆�銆�4. 椤ず椹呭嫊闆昏矾涓殑鍦板潃鐢熸垚銆�
銆�銆�5. 娓│鑸囨脯閲忚ō鍌欎腑鐨勪俊铏熻檿鐞嗘ā濉�銆�
銆�銆�6. 瑷堢畻姗熷鍦嶈ō鍌欎腑鐨勬暩(sh霉)鎿�(j霉)绶╂矕鍜屽偝杓告帶鍒躲��
SN74LS258B, MC14518B, CD40192B
