As an Amazon Associate, we earn from qualifying purchases. N74LS163B - Signetics Signetics . N74LS163B Gallery Attributes Brand name, Manufacturer name, ManufacturerSignetics Extra Product NameN74LS163B - Signetics moq, multiple1 MPN, SKUN74LS163B qtyInStock0 snippetN74LS163B In-Stock. Request a quote for the part number# N74LS163B. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsN74LS163B11 1SourceN74LS163B11