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新SN74LS24DMR1 SN74HC11ANSR SN74F163ADBR R
贴片直插SN74LS24DMR1 SN74LS164NSR SN74LS240NSR 4
贴片直插SN74LS24DMR1，SN74LS245ML1，SN74LS247DR2，4
