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SN74LS145NSR SN74LS145NS 74LS145 SN74LS145NSRG4原装可拍
SN74LS145NSR SN74LS145NS 74LS145 SN74LS145NSRG4原装直拍
全新SN74LS145NSRG4 SN74LS138NSRG4 SN74LS126ANSR. SN74LS126AD
SN74LS145NSR SN74LS145NS 74LS145 SN74LS145NSRG4原装贴片