As an Amazon Associate, we earn from qualifying purchases. SN74LS645-1N - Signetics - Integrated Circuits Signetics . SN74LS645-1N Gallery Attributes Brand name, Manufacturer name, ManufacturerSignetics Extra Product NameSN74LS645-1N - Signetics - Integrated Circuits moq, multiple1 MPNSN74LS645-1N qtyInStock0 SKUSN74LS6451N snippetSN74LS645-1N In-Stock. Request a quote for the part number# SN74LS645-1N. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsSN74LS6451N11