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全新SN7404DRG4 SN7400DRG4 SN73LS123N SN7328A316 SN700880DR
SN74LS112ANS(S11DRG4 S11NS S11NSLE S122NS S123DE4
SN74LS123DG4(S123DRG4 S125ADR S132NS S138NS S139ANS
SN74LS47/123/138/145/151/165/174/175/279/367ADR DR DRG4 原装
