Image shown is a representation only.Exact specifications should be obtained from the product datasheet. UM6551 Stock Available: 8 Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh Part Number UM6551 Manufacturer United Microelectronics Corporation / 8611 Description Asynchronous Communication Interface Adapter Package/Case PDIP-28 Wide Package Tube Datasheet Internal reference: E3-05