SN74HCT645 鏅傞枔锛�2025/6/6 0:05:41 闁辫畝锛�9

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銆€銆€SN74HCT645 鐨勪富瑕佹噳(y墨ng)鐢ㄥ寘鎷闆诲绯荤当(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)绺界窔鎺ュ彛銆佸瓨鍎插櫒鎿村睍浠ュ強鍚勭ó闇€瑕侀浕骞宠綁(zhu菐n)鎻涚殑鎳�(y墨ng)鐢ㄥ牬鏅�銆�

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闆绘簮闆诲Vcc锛�2V 鑷� 6V
銆€銆€宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +125掳C
銆€銆€杓稿叆闆绘祦锛毬�20mA
銆€銆€杓稿嚭闆绘祦锛毬�20mA
銆€銆€鍌虫挱寤堕伈鏅傞枔锛氭渶澶� 8ns (鍏稿瀷鍊�)
銆€銆€闈滄厠(t脿i)鍔熻€楋細3渭W (鍏稿瀷鍊硷紝Vcc=5V)
銆€銆€灏佽褰㈠紡锛歍SSOP, SOIC

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SN74HCT645 鍏锋湁浠ヤ笅椤憲鐗规€э細
銆€銆€1. 闆欏悜闆诲闆诲钩杞�(zhu菐n)鎻涘姛鑳�锛岄仼鐢ㄤ簬澶氱ó涓嶅悓鐨勯倧杓浕骞炽€�
銆€銆€2. 姣忓€嬮€氶亾閮芥敮鎸佺崹绔嬬殑鏂瑰悜鎺у埗锛屾彁渚涙洿闈堟椿鐨勬暩(sh霉)鎿�(j霉)鍌宠几鏂瑰紡銆�
銆€銆€3. 妤典綆鐨勯潨鎱�(t脿i)鍔熻€�锛岄仼鍚堥浕姹犱緵闆绘垨浣庡姛鑰楁噳(y墨ng)鐢ㄥ牬鏅€�
銆€銆€4. 瀵伐浣滈浕澹撹寖鍦嶅拰楂樻韩鎬ц兘浣垮叾鑳藉閬╂噳(y墨ng)鎯″姡鐨勫伐浣滅挵(hu谩n)澧�銆�
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SN74HCT645 涓昏鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
銆€銆€1. 澶氶浕澹撶郴绲�(t菕ng)鐨勭附绶氭帴鍙�锛屽灏� 3.3V 鍜� 5V 閭忚集闆诲钩閫�(j矛n)琛岃綁(zhu菐n)鎻涖€�
銆€銆€2. 瀛樺劜鍣ㄦ摯灞曟ā濉�锛屼緥濡傞杻瀛樻垨 SRAM 鎺ュ彛涓殑闆诲钩閬╅厤銆�
銆€銆€3. 宸ユキ(y猫)鎺у埗鍜岃嚜鍕曞寲瑷�(sh猫)鍌欎腑鐨勪俊铏熼浕骞宠綁(zhu菐n)鎻�銆�
銆€銆€4. 閫氫俊瑷�(sh猫)鍌欏拰宓屽叆寮忕郴绲�(t菕ng)涓殑鏁�(sh霉)鎿�(j霉)姗嬫帴銆�
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銆€銆€鍏堕潏娲绘€у拰楂樻€ц兘浣垮緱 SN74HCT645 鎴愮偤瑷卞寰�(f霉)闆滈浕璺ō(sh猫)瑷堢殑鐞嗘兂閬告搰銆�