SN74LVC257ANSR
SN74LVC257ANSRE4
SN74LVC257ANSRG4
SN74LVC257APW
SN74LVC257APWE4
SN74LVC257APWG4
SN74LVC257APWR
SN74LVC257APWRE4
SN74LVC257APWRG4
SN74LVC257APWRTSS