As an Amazon Associate, we earn from qualifying purchases. SN74LS644N - Motorola Semiconductor - Integrated Circuits Motorola Semiconductor . SN74LS644N Gallery Attributes Brand name, Manufacturer name, ManufacturerMotorola Semiconductor Extra Product NameSN74LS644N - Motorola Semiconductor - Integrated Circuits moq, multiple1 MPN, SKUSN74LS644N qtyInStock0 snippetSN74LS644N In-Stock. Request a quote for the part number# SN74LS644N. Call 877-240-8595 to order. Same day shipping on in-stock parts. Distributor offers SellerSKUMOQIn stockMultiplePrices 4 Star ElectronicsSN74LS644N11