The FT245B is the 2nd generation of FTDI's popular USB FIFO device and the FT245BL is a lead free version of it. The FT245BQ provides the same functionality as the FT245BL in a QFN-32 lead free package.

This device not only adds extra functionality to its predecessor (FT8U245AM) and reduces external component count, but also maintains a high degree of pin compatibility with the original making it easy to upgrade or cost reduce existing designs as well as increasing the potential for using this device in new application areas.

Single Chip USB <=> parallel FIFO bi-directional data transfer
Data transfer rate of up to 1M Byte/second (D2XX drivers)
Data transfer rate of up to 300K Byte/second (VCP drivers)
Simple to interface to MCU/PLD/FPGA logic with a 4-wire handshaking interface
Entire USB protocol handled on-chip: no USB-specific firmware programming required
FTDI’s royalty-free VCP and D2XX drivers eliminate the requirement for USB driver development in most cases.
Available in standard 32 pin LQFP (FT245BM) and lead(Pb)-free LQFP package (FT245BL).

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