Specifications:USB to asynchronous 245 FIFO mode for transfer data rate up to 8 Mbyte/Sec.USB to synchronous 245 parallel FIFO mode for transfers upto 40 Mbytes/SecSupports a proprietary half duplex FT1248 interface with a configurable width, bi-directional data bus (1, 2, 4 or 8 bits wide).CPU-style FIFO interface mode simplifies CPU interface design.Fast serial interface option.FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.Adjustable receive buffer timeout.Typical Applications:Single chip USB to UART (RS232, RS422 or RS485)USB to FIFOUSB to FT1248USB to JTAGUSB to SPIUSB to I2CUSB to Bit-BangUSB to Fast Serial InterfaceUSB to CPU target interface (as memory)Package Includes: 2Pcs