SN74AHC245Q 鏅�(sh铆)闁擄細2025/5/30 20:54:31 闁辫畝锛�17

SN74AHC245Q 鏄竴娆鹃珮鎬ц兘鐨� CMOS 鍏綅闆欏悜闆诲闆诲钩杞�(zhu菐n)鎻涘櫒锛屽爆浜庡痉宸炲剙鍣紙TI锛夌殑 SN74AHC 绯诲垪銆傚畠瑷�(sh猫)瑷�(j矛)鐢ㄤ簬鍦ㄤ笉鍚岄浕澹撹粚涔嬮枔閫�(j矛n)琛屾暩(sh霉)鎿�(j霉)鍌宠几锛岃兘澶犳敮鎸佷綆鑷�1.2V鍜岄珮閬�(d谩)3.3V鎴�5V鐨勯倧杓浕骞宠綁(zhu菐n)鎻�銆傞€欐鍣ㄤ欢閫氬父琚敤浣滄帴鍙ｈ姱鐗�锛岄€ｆ帴閬�(y霉n)琛屽湪涓嶅悓闆绘簮闆诲涓嬬殑鏁�(sh霉)瀛楅浕璺�锛屼緥濡傚井鎺у埗鍣ㄣ€佸瓨鍎插櫒妯″鍜屽叾浠栧瑷�(sh猫)銆�
銆€銆€瑭插櫒浠跺収(n猫i)缃簡鏂瑰悜鎺у埗寮曡叧锛圖IR锛�锛屽彲浠ラ厤缃暩(sh霉)鎿�(j霉)寰濧绔彛娴佸悜B绔彛锛屾垨鑰呭緸B绔彛娴佸悜A绔彛銆傛澶栵紝閫氶亷浣胯兘寮曡叧锛圤E#锛�锛岀敤鎴跺彲浠ュ暉鐢ㄦ垨绂佺敤鏁�(sh霉)鎿�(j霉)鍌宠几鍔熻兘锛岀暥(d膩ng)绂佺敤鏅�(sh铆)锛岃几鍑哄皣閫�(j矛n)鍏ラ珮闃绘厠(t脿i)銆�

鍙冩暩(sh霉)

闆绘簮闆诲鑼冨湇锛�1.2V 鑷� 5.5V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€灏佽褰㈠紡锛歍SSOP (PW)
銆€銆€杓稿叆闆诲锛�8pF
銆€銆€鍌虫挱寤堕伈鏅�(sh铆)闁擄細鏈€澶�6ns
銆€銆€姣忛€氶亾椹�(q奴)鍕曡兘鍔涳細卤24mA
銆€銆€绺藉姛鑰楋細鍙栨焙浜庤几鍏ヤ俊铏熷拰渚涢浕闆诲
銆€銆€闈滄厠(t脿i)闆绘祦锛氭渶澶�5渭A

鐗规€�

SN74AHC245Q 鎻愪緵楂樻晥鐨勯洐鍚戦浕骞宠綁(zhu菐n)鎻涘姛鑳�锛屽叿鏈変互涓嬬壒榛�(di菐n)锛�
銆€銆€1. 鏀寔澶氱ó闆绘簮闆诲锛岄仼鐢ㄤ簬涓嶅悓鐨勬噳(y墨ng)鐢ㄧ挵(hu谩n)澧�銆�
銆€銆€2. 楂橀€熸€ц兘锛氬偝鎾欢閬查潪甯哥煭锛岄仼鍚堥珮閫熸暩(sh霉)鎿�(j霉)鍌宠几銆�
銆€銆€3. 鍏�(n猫i)缃柟鍚戞帶鍒跺紩鑵�锛岄潏娲诲垏鎻涙暩(sh霉)鎿�(j霉)娴佹柟鍚戙€�
銆€銆€4. 杓稿嚭浣胯兘寮曡叧鍙(sh铆)鐝�(xi脿n)涓夋厠(t脿i)杓稿嚭锛屾柟渚跨郴绲�(t菕ng)瑷�(sh猫)瑷�(j矛)銆�
銆€銆€5. 宸ユキ(y猫)绱氭韩搴﹁寖鍦�锛岀⒑淇濆叾鍦ㄦサ绔挵(hu谩n)澧冧笅浠嶈兘绌�(w臎n)瀹氬伐浣�銆�
銆€銆€6. 灏忓瀷灏佽閬搁爡(xi脿ng)锛屾湁鍔╀簬绡€(ji茅)鐪丳CB绌洪枔銆�
銆€銆€7. 姣忓€�(g猫)閫氶亾鍧囧叿鏈夐亷澹撲繚璀�(h霉)鍔熻兘锛屾彁楂樼郴绲�(t菕ng)鐨勫彲闈犳€у拰鎶楀共鎿捐兘鍔�銆�

鎳�(y墨ng)鐢�

SN74AHC245Q 琚唬娉涙噳(y墨ng)鐢ㄤ簬闇€瑕侀浕骞宠綁(zhu菐n)鎻涚殑鍫存櫙锛屽吀鍨嬬殑鎳�(y墨ng)鐢ㄥ寘鎷細
銆€銆€1. 寰帶鍒跺櫒鑸囧閮ㄨō(sh猫)鍌欎箣闁撶殑鎺ュ彛瑷�(sh猫)瑷�(j矛)銆�
銆€銆€2. 涓嶅悓闆诲妯�(bi膩o)婧�(zh菙n)鐨勬暩(sh霉)瀛楅浕璺簰鑱�(li谩n)銆�
銆€銆€3. USB杞�(zhu菐n)UART姗嬫帴妯″涓紝鐢ㄤ簬涓茶閫氫俊淇¤櫉鐨勯浕骞冲尮閰�銆�
銆€銆€4. 瀛樺劜鍣ㄦ摯(ku貌)灞曟澘鍗＄殑鏁�(sh霉)鎿�(j霉)绶氳綁(zhu菐n)鎻�銆�
銆€銆€5. FPGA/CPLD闁嬬櫦(f膩)鏉夸笂鐨勯浕澹撻仼閰嶃€�
銆€銆€6. 澶氱ó宓屽叆寮忕郴绲�(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)绺界窔闅旈洟銆�
銆€銆€7. I2C/SPI閫氫俊鍗�(xi茅)璀扮殑闆诲杞�(zhu菐n)鎻涙帴鍙�銆�