SN74LV221ANSR
SN74LV221ANSRE4
SN74LV221ANSRG4
SN74LV221APW
SN74LV221APWE4
SN74LV221APWG4
SN74LV221APWR
SN74LV221APWRE4
SN74LV221APWRG4
SN74LV221APWT