FTDI offer a range of USB connectivity ICs.  The range consists of our FT Series family of USB Slave based converter devices and our Vinculum family of USB Host / Slave controllers.

For a full description of each product, please click on the appropriate product name or choose from the main menu on the left.

Alternatively, if you need a complete USB 2.0 Hi-Speed design solution then visit our “USB In The Fast Lane” page which summarises FTDI’s USB 2.0 Hi-Speed solution capabilities. This includes multi-channel USB Hi-Speed ICs and associated evaluation platforms.

RoHS statements for FTDI ICs can be found in our documents section.

FT Device	FT232H	FT2232H	FT4232H	FT2232D	FT232R	FT245R	FT232B	FT245B
Description	Single Channel Hi-Speed USB to Multipurpose UART/FIFO IC	Hi-speed USB 2.0 Slave to Dual UART/FIFO Converter	Hi-speed USB 2.0 Slave to Quad Channel UART / Serial Converter	USB 2.0 Slave to Dual UART / FIFO Converter	USB 2.0 Slave to UART Converter	USB 2.0 Slave to FIFO Converter	USB 2.0 Slave to UART Converter (FT232R version recommended for new designs)	USB 2.0 Slave to FIFO Converter (FT245R version recommended for new designs)
USB Speed	High (480Mbps) / Full Speed (12Mbps)	High (480Mbps) / Full Speed (12Mbps)	High (480Mbps) / Full Speed (12Mbps)	Full Speed (12Mbps)	Full Speed (12Mbps)	Full Speed (12Mbps)	Full Speed (12Mbps)	Full Speed (12Mbps)
No. USB Ports	1	1	1	1	1	1	1	1
No. External Channels	1	2	4	2	1	1	1	1
Supported External Interfaces	UART, FIFO, 1 x MPSSE*, Fast serial, 8051 MCU emulation, FT1248	UART, FIFO, 2 x MPSSE*, Fast serial, 8051 MCU emulation, 16 GPIOs	UART, 2 x MPSSE* Controllers, 32 GPIOs	UART, FIFO, MPSSE*, Fast serial, 8051 MCU emulation, 8 GPIOs	UART with 4 GPIO pins	FIFO with 4 GPIO pins	UART	FIFO
Internal Memory	1kB RX/TX buffer per channel	4kB RX/TX buffer per channel	2kB RX/TX buffer per channel	384 Byte – RX / 128 Byte – TX per channel	128 Byte – RX 256 Byte – TX	128 Byte – RX 256 Byte – TX	348 Byte – RX 128 Byte – TX	348 Byte – RX 128 Byte – TX
UART Speeds	Up to 12Mbaud	Up to 12Mbaud	Up to 12Mbaud	Up to 3Mbaud	Up to 3Mbaud	-	Up to 1Mbaud	Up to 1Mbaud
Configuration Data Storage	Via External EEPROM	Via External EEPROM	Via External EEPROM	Via External EEPROM	Internal EEPROM	Internal EEPROM	Via External EEPROM	Via External EEPROM
Operating Temperature	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	-40°C to +85°C	0°C to +70°C	0°C to +70°C
Packages	48-pin LQFP 48-pin QFN	64-pin LQFP 64-pin QFN	64-pin LQFP 64-pin QFN	48-pin LQFP	32-pin QFN 28-pin SSOP	32-pin QFN 28-pin SSOP	32-pin LQFP	32-pin LQFP

*MPSSE - Multi-Protocol Synchronous Serial Engine, configurable serial controller designed to support SPI, I2C, JTAG, and other serial interfaces at speeds of up to 30Mbps.

• FT2232L - Dual USB UART/FIFO IC (lead free version of FT2232C) - please see FT2232D for a drop-in replacement.

• FT2232C - Dual USB UART/FIFO IC - please see FT2232D for a drop-in replacement.

• FT232BM - USB UART IC - please see FT232BL for a drop-in replacement.

• FT245BM - USB FIFO IC - please see FT245BL for a drop-in replacement.

• FT8U232AM - USB UART IC - not recommended for new designs - use the FT232R instead.

• FT8U245AM - USB FIFO IC - not recommended for new designs - use the FT245R instead.

• FT8U100AX - Multi-Function USB 1.1 Hub Controller IC - not recommended for new designs, consult FTDI Support before implementing a design based on this IC.