SN74LS243NE4 SN74LS243N SN74LS243J SN74LS243DR SN74LS243D SN74LS242N SN74LS242MEL SN74LS242M SN74LS241NSR SN74LS241NS SN74LS243NSR
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SN74LS244SN74LS244ASN74LS244ANSSN74LS244ANSRSN74LS244BNSN74LS244DSN74LS244DBSN74LS244DBRSN74LS244DBRG4SN74LS244DWSN74LS244DWG4SN74LS244DWRSN74LS244DWR2SN74LS244DWRE4SN74LS244DWRG4SN74LS244FKSN74LS244FPTSN74LS244JSN74LS244J-BSN74LS244M