鍨嬭櫉(h脿o)锛歋N54LS688J
銆�銆�绯诲垪锛歋N54LS
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SN54LS688J 鐨勪富瑕佺壒鎬у寘鎷�锛�
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SN54LS688J 寤ｆ硾鎳�(y墨ng)鐢ㄤ簬浠ヤ笅闋�(l菒ng)鍩燂細
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SN74LS688J, SN54HC688, SN74HC688