
Key Features
Interface Type: USB 2.0 Full-Speed (12 Mb/s) to Parallel FIFO
Data Bus Width: 8-bit parallel data + control handshake signals
Data Throughput: Up to 1 MByte/s typical (Full-Speed USB)
FIFO Mode: Asynchronous or synchronous FIFO operation
Voltage Supply: 4.35 V – 5.25 V (VCC)
I/O Voltage: 1.8 V to 3.3 V (with built-in level shifting)
Integrated Components:
USB transceiver and termination resistors
On-chip 3.3 V regulator
Internal oscillator (no external crystal required)
EEPROM for device configuration
Clock Output: Optional 6 MHz, 12 MHz, or 48 MHz clock
Flow Control: TXE# (Transmit Enable) and RXF# (Receive FIFO Full) signals
Operating Temperature: –40 °C to +85 °C (industrial range)
Package: 32-pin QFN (5 mm × 5 mm, FT245RQ-REEL denotes reel packaging)
RoHS / REACH: Compliant and Pb-free
Performance and Functional Highlights
Simple parallel FIFO interface - no USB firmware required
Full USB 1.1/2.0 Full-Speed compatibility with Windows, macOS, Linux drivers
Fully integrated USB protocol engine
Supports bit-bang mode for direct GPIO control via USB
Configurable USB descriptors through internal EEPROM
Supports self-powered or bus-powered configurations
Optional USB suspend and wake-up features
Applications
USB interface for microcontrollers and FPGAs
Industrial and test instrumentation
Data acquisition systems
USB-based peripheral control
Embedded systems and communication modules
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