As an Amazon Associate, we earn from qualifying purchases. AT89C52-20QC - Atmel - Integrated Circuits Atmel . AT89C52-20QC Gallery Attributes Brand name, Manufacturer name, ManufacturerAtmel Extra Product NameAT89C52-20QC - Atmel - Integrated Circuits moq, multiple1 MPNAT89C52-20QC qtyInStock0 SKUAT89C5220QC snippetAT89C52-20QC In-Stock. Request a quote for the part number# AT89C52-20QC. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsAT89C5220QC11 iodPartsAT89C52-20QC11