As an Amazon Associate, we earn from qualifying purchases. SN54LS491AJS/883B - Monolithic Memories Monolithic Memories . SN54LS491AJS/883B Gallery Attributes Brand name, Manufacturer name, ManufacturerMonolithic Memories Extra Product NameSN54LS491AJS/883B - Monolithic Memories moq, multiple1 MPNSN54LS491AJS/883B qtyInStock0 SKUSN54LS491AJS883B snippetSN54LS491AJS/883B In-Stock. Request a quote for the part number# SN54LS491AJS/883B. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsSN54LS491AJS883B11