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TC74VHC244F 鍏锋湁浠ヤ笅涓昏�佺壒鎬э細
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TC74VHC244F 鐨勬噳(y墨ng)鐢ㄩ牁(l菒ng)鍩熼潪甯稿唬娉涳紝涓昏�佸寘鎷�锛�
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74VHC244, SN74LVC244A, MC74VHC244