SN74LS293DRG4【IC COUNTER BINARY 4BIT 14SOIC】
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全新原装 SN74LS294N SN74LS293NG4 SN74LS293N SN74LS293DRG4
SN74LS293DR(S293NG4 S298D S298DR S299DW S31DR S32DRG4
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