SN74AC245PWR 鏅�(sh铆)闁擄細2025/4/27 16:27:40 闁辫畝锛�36

SN74AC245PWR 鏄竴娆鹃珮鎬ц兘鐨勫叓浣嶉洐鍚戦浕澹撻浕骞宠綁(zhu菐n)鎻涘櫒锛屽爆浜� TI锛堝痉宸炲剙鍣級鐨� AC 绯诲垪銆傝┎鍣ㄤ欢涓昏鐢ㄤ簬鍦ㄤ笉鍚岄倧杓浕骞充箣闁撻€�(j矛n)琛屼俊铏�(h脿o)杞�(zhu菐n)鎻�锛屽唬娉涙噳(y墨ng)鐢ㄤ簬閫氫俊鎺ュ彛銆佺附绶氭摯(ku貌)灞曞拰鏁�(sh霉)鎿�(j霉)鍌宠几?sh霉)闃甀(l菒ng)鍩熴€傚叾瑷�(sh猫)瑷�(j矛)鍏佽ū鍏╁€�(g猫)鏂瑰悜鐨勬暩(sh霉)鎿�(j霉)娴�锛屽苟鏀寔楂橀仈(d谩) 20 MHz 鐨勫伐浣滈牷鐜�銆傝┎鍣ㄤ欢鍏锋湁浣庡姛鑰�銆侀珮鍣伈瀹归檺鐨勭壒榛�(di菐n)锛岄仼鍚堜簬鍚勭ó宸ユキ(y猫)鍜屽晢妤�(y猫)鎳�(y墨ng)鐢�銆�
銆€銆€瑭茶姱鐗囬€氶亷(gu貌)鏂瑰悜鎺у埗寮曡叧 (DIR) 鍜屼笁鎱�(t脿i)浣胯兘寮曡叧 (OE) 渚�(l谩i)鎺у埗鏁�(sh霉)鎿�(j霉)鍌宠几?sh霉)濮嗚緝铔炵害鎷滄暤榫呰嚀椤烞(t脿i)銆�

鍙冩暩(sh霉)

闆绘簮闆诲 VCC1锛�2V 鑷� 6V
銆€銆€闆绘簮闆诲 VCC2锛�2V 鑷� 6V
銆€銆€宸ヤ綔婧害锛�-55掳C 鑷� +125掳C
銆€銆€杓稿叆闆诲锛�7pF
銆€銆€鍌虫挱寤堕伈锛�8ns锛堝吀鍨嬪€硷級
銆€銆€杓稿嚭闆绘祦锛毬�24mA
銆€銆€灏佽椤炲瀷锛歅DIP銆丼OIC銆乀SSOP

鐗规€�

SN74AC245PWR 鎻愪緵浜嗗挤(qi谩ng)澶х殑闆欏悜闆诲杞�(zhu菐n)鎻涘姛鑳�锛屽彲浠ヨ紩鏉惧(sh铆)鐝�(xi脿n)楂樹綆闆诲钩閭忚集绯荤当(t菕ng)鐨勫吋瀹规€с€傚畠鍏峰倷浠ヤ笅鐗归粸(di菐n)锛�
銆€銆€1. 闆欏悜鍌宠几鑳藉姏锛岄仼鐢ㄤ簬澶氱ó鏁�(sh霉)鎿�(j霉)閫氫俊鍫�(ch菐ng)鏅�銆�
銆€銆€2. 楂橀€熸€ц兘锛屾敮鎸侀珮閬�(d谩) 20MHz 鐨勬檪(sh铆)閻橀牷鐜囥€�
銆€銆€3. 瓒呬綆鍔熻€楄ō(sh猫)瑷�(j矛)锛岄潨鎱�(t脿i)闆绘祦妤靛皬銆�
銆€銆€4. 瀵浕婧愰浕澹撹寖鍦嶏紙2V 鑷� 6V锛夛紝閬╂噳(y墨ng)鎬у挤(qi谩ng)銆�
銆€銆€5. 寮�(qi谩ng)澶х殑闆绘埃淇濊(h霉)锛屽寘鎷煭璺繚璀�(h霉)鍜岄亷(gu貌)婧繚璀�(h霉)銆�
銆€銆€6. 宸ユキ(y猫)绱�(j铆)婧害鑼冨湇鏀寔锛岀⒑淇濇儭鍔ｇ挵(hu谩n)澧冧笅鐨勫彲闈犳€�銆�

鎳�(y墨ng)鐢�

SN74AC245PWR 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬闇€瑕侀浕骞宠綁(zhu菐n)鎻涚殑鍫�(ch菐ng)鍚�锛屼緥濡傦細
銆€銆€1. 鏁�(sh霉)鎿�(j霉)绺界窔鎿�(ku貌)灞曡垏闅旈洟銆�
銆€銆€2. 涓嶅悓閭忚集闆诲钩绯荤当(t菕ng)涔嬮枔鐨勪俊铏�(h脿o)姗嬫帴銆�
銆€銆€3. 寰檿鐞嗗櫒鍜屽瑷�(sh猫)鎺ュ彛銆�
銆€銆€4. 鍏�(n猫i)瀛樺瓙绯荤当(t菕ng)涓湴鍧€鍜屾暩(sh霉)鎿�(j霉)绶氱殑绶╂矕銆�
銆€銆€5. 澶氱ó閫氫俊鍗�(xi茅)璀版帴鍙�锛屽 UART銆丼PI 鍜� I2C銆�
銆€銆€6. 娓�(c猫)瑭﹁ō(sh猫)鍌欎腑鐨勫閫氶亾淇¤櫉(h脿o)鍒囨彌銆�