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閭忚集绯诲垪锛�74LS
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銆€銆€鍌虫挱寤堕伈鏅傞枔锛氭渶澶�12ns锛堝吀鍨嬪€硷級
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銆€銆€宸ヤ綔婧害鑼冨湇锛�0掳C 鑷� 70掳C
銆€銆€灏佽褰㈠紡锛欴IP銆丼OIC

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SNJ54LS490J 鐨勪富瑕佺壒鎬у寘鎷細
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