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SN74AHC138APWR SN74AHC138D SN74AHC138D . SN74AHC138DB SN74AHC138DBR SN74AHC138DBRE4 SN74AHC138DBRG4 SN74AHC138DE4 SN74AHC138DG4 SN74AHC138DGVR