SN74AHC245NSR 鏅�(sh铆)闁擄細2025/5/12 13:00:01 闁辫畝锛�21

SN74AHC245NSR 鏄竴娆鹃洐绶氶洐鍚戠附绶氭敹鐧�(f膩)鍣�锛屽爆浜庡痉宸炲剙鍣� (TI) 鐨� AHC 绯诲垪銆傝┎鑺墖鍏锋湁浣庡姛鑰楀拰楂橀€熸€ц兘锛岄仼鐢ㄤ簬鏁�(sh霉)鎿�(j霉)鍌宠几銆佺附绶氬垏鎻涘拰闆诲钩杞�(zhu菐n)鎻涚瓑鎳�(y墨ng)鐢�銆�
銆€銆€鍏跺収(n猫i)閮ㄥ寘鍚叐鍊�(g猫)鐛�(d煤)绔嬬殑涓夋厠(t脿i)绶╂矕鍣ㄧ祫锛屽彲瀵�(sh铆)鐝�(xi脿n)闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几锛屽苟鏀寔楂橀樆鎱�(t脿i)鍔熻兘锛屽緸鑰屽厑瑷卞鍊�(g猫)瑷�(sh猫)鍌欏叡浜悓涓€绺界窔銆係N74AHC245NSR 浣跨敤鍏堥€�(j矛n)鐨勭鏌� CMOS 鎶€琛�(sh霉)鍒堕€�锛岀⒑淇濅簡鍗撹秺鐨勯浕姘ｇ壒鎬у拰绌�(w臎n)瀹氭€�銆�

鍙冩暩(sh霉)

閭忚集椤炲瀷锛氶洐绶氶洐鍚戠附绶氭敹鐧�(f膩)鍣�
銆€銆€閫氶亾鏁�(sh霉)锛�
銆€銆€闆绘簮闆诲 (VCC)锛�1.65 V 鑷� 5.5 V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細tpd = 6 ns锛堝吀鍨嬪€硷級
銆€銆€灏佽椤炲瀷锛歋OIC-20
銆€銆€I/O 闆诲锛氭敮鎸� 3.3 V 鍜� 5 V 鎿嶄綔
銆€銆€闈滄厠(t脿i)闆绘祦锛欼CC = 1 渭A锛堟渶澶у€硷級

鐗规€�

SN74AHC245NSR 鎻愪緵闆欏悜鏁�(sh霉)鎿�(j霉)鍌宠几鑳藉姏锛岄仼鍚堝湪涓嶅悓鐨勯浕澹撶挵(hu谩n)澧冧笅浣跨敤銆傚畠鍏煎 TTL 鍜� CMOS 杓稿叆/杓稿嚭闆诲钩锛屽叿鍌欓珮鎶楀櫔鑳藉姏鍜屼綆鍔熻€楃壒榛�(di菐n)銆�
銆€銆€閫氶亷鏂瑰悜鎺у埗寮曡叧锛圖IR锛夊拰涓夋厠(t脿i)浣胯兘寮曡叧锛圤E锛�锛屽彲浠ラ潏娲诲湴绠＄悊鏁�(sh霉)鎿�(j霉)娴佺殑鏂瑰悜鍜岃几鍑虹媭鎱�(t脿i)銆�
銆€銆€瑭插櫒浠堕倓鍏锋湁妤典綆鐨勫偝鎾欢閬叉檪(sh铆)闁擄紝鑳藉婊胯冻楂橀€熺郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)鐨勯渶姹�銆�
銆€銆€姝ゅ锛屽叾瀵浕澹撹寖鍦嶅拰宸ユキ(y猫)绱�(j铆)婧害鑼冨湇浣垮叾鎴愮偤鍚勭ó鎳�(y墨ng)鐢ㄧ殑鐞嗘兂閬告搰銆�

鎳�(y墨ng)鐢�

SN74AHC245NSR 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬瑷�(j矛)绠楁(j墨)銆侀€氫俊瑷�(sh猫)鍌欍€佹秷璨�(f猫i)椤為浕瀛愮敘(ch菐n)鍝佸強宸ユキ(y猫)鎺у埗绯荤当(t菕ng)涓�銆�
銆€銆€鍏稿瀷鎳�(y墨ng)鐢ㄥ牬(ch菐ng)鏅寘鎷細
銆€銆€- 鏁�(sh霉)鎿�(j霉)绺界窔鎿�(ku貌)灞�
銆€銆€- 澶氳矾淇¤櫉(h脿o)鍒囨彌
銆€銆€- 涓嶅悓闆诲鍩熶箣闁撶殑闆诲钩杞�(zhu菐n)鎻�
銆€銆€- 宓屽叆寮忕郴绲�(t菕ng)鐨� I/O 鎿�(ku貌)灞�
銆€銆€- 瀛樺劜(ch菙)鍣ㄦ帴鍙ｈō(sh猫)瑷�(j矛)
銆€銆€- 椤ず鍣ㄦ帶鍒跺櫒鑸囦富姗�(j墨)闁撶殑閫氫俊
銆€銆€鐢变簬鍏堕潏娲绘€у拰楂樻€ц兘锛岃┎鑺墖闈炲父閬╁悎闇€瑕侀珮鏁堟暩(sh霉)鎿�(j霉)鍌宠几?sh霉)鑶�?f霉)闆滅郴绲�(t菕ng)銆�