JD54LS283BFA by National Semiconductor JD54LS283BFA from National Semiconductor is a 4 BIT BINARY ADDERS WITH FAST CSeries: 54LSBase Number: 54LS283Package: BulkStandard Package: 1RoHS: Not applicableREACH: Vendor UndefinedMSL: 168 HoursECCN: EAR99HTSUS: 8542.39.0001Integrated Circuits (ICs) / Logic / Specialty Logic Request a quote Name Email Company Name Quantity Message Check Stock Product Status: ActiveIntegrated Circuits (ICs) Logic - Specialty Logic SKU JD54LS283BFA