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FT2232D-REEL
Public Made by Adomby adom
FTDI USB Converters, LQFP-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownFT2232D-REEL
FTDI · USB Converters · LQFP-48(7x7)
FT2232D-REEL from FTDI, in a LQFP-48(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | EESK | output | Clock output to the external EEPROM, tri-stated during device reset and driven out otherwise. |
| 2 | EEDATA | bidirectional | EEPROM data I/O, connected directly to EEPROM Data-In and to EEPROM Data-Out via a 2.2K resistor, with Data-Out pulled to VCC by a 10K resistor; tri-stated during device reset. |
| 3 | VCC | power_in | Supply to the device core, LDO and non-UART/FIFO interface pins, +4.35 V to +5.25 V. |
| 4 | RESET# | input | External reset input for the FT2232D; tie to VCC if not used. |
| 5 | RSTOUT# | output | Output of the internal reset generator, driven low for 5.6 ms after VCC > 3.5 V and clock start-up, then clamped to the 3.3 V LDO output, forced low by RESET#, and not affected by a USB bus reset. |
| 6 | 3V3OUT | power_out | 3.3 V output of the integrated LDO regulator, to be decoupled to GND with 33nF, supplying the USB transceiver and RSTOUT# and sourcing at most 5 mA for external 3.3 V logic. |
| 7 | USBDP | bidirectional | USB Data Signal Plus, requiring a 1.5K pull-up to 3V3OUT or RSTOUT#. |
| 8 | USBDM | bidirectional | USB Data Signal Minus. |
| 9 | GND | power_in | Device ground supply pin. |
| 10 | SI/WUA | bidirectional | Channel A SI/WU pin used for USB suspend and resume support, and not available in the MCU host bus, CPU FIFO and fast opto-isolated modes. |
| 11 | ACBUS3 | bidirectional | Channel A control bus bit 3, which is TXLED# (transmit LED drive) in 232 UART mode and WR in 245 FIFO mode, with other functions in other modes. |
| 12 | ACBUS2 | bidirectional | Channel A control bus bit 2, which is RXLED# (receive LED drive) in 232 UART mode and RD# in 245 FIFO mode, with other functions in other modes. |
| 13 | ACBUS1 | bidirectional | Channel A control bus bit 1, which is SLEEP# in 232 UART mode and TXE# in 245 FIFO mode, with other functions in other modes. |
| 14 | VCCIOA | power_in | Supply for the channel A UART/FIFO interface pins, +3.0 V to +5.25 V, connected to a 3.3 V supply for 3.3 V logic or to VCC for 5 V CMOS output levels. |
| 15 | ACBUS0 | bidirectional | Channel A control bus bit 0, which is TXDEN (RS485 transmit enable) in 232 UART mode and RXF# in 245 FIFO mode, with other functions in other modes. |
| 16 | ADBUS7 | bidirectional | Channel A data bus bit 7, which is RI# in 232 UART mode and D7 in 245 FIFO mode. |
| 17 | ADBUS6 | bidirectional | Channel A data bus bit 6, which is DCD# in 232 UART mode and D6 in 245 FIFO mode. |
| 18 | GND | power_in | Device ground supply pin. |
| 19 | ADBUS5 | bidirectional | Channel A data bus bit 5, which is DSR# in 232 UART mode and D5 in 245 FIFO mode. |
| 20 | ADBUS4 | bidirectional | Channel A data bus bit 4, which is DTR# in 232 UART mode and D4 in 245 FIFO mode. |
| 21 | ADBUS3 | bidirectional | Channel A data bus bit 3, which is CTS# in 232 UART mode and D3 in 245 FIFO mode. |
| 22 | ADBUS2 | bidirectional | Channel A data bus bit 2, which is RTS# in 232 UART mode and D2 in 245 FIFO mode. |
| 23 | ADBUS1 | bidirectional | Channel A data bus bit 1, which is RXD in 232 UART mode and D1 in 245 FIFO mode. |
| 24 | ADBUS0 | bidirectional | Channel A data bus bit 0, which is TXD in 232 UART mode and D0 in 245 FIFO mode. |
| 25 | GND | power_in | Device ground supply pin. |
| 26 | SI/WUB | bidirectional | Channel B SI/WU pin used for USB suspend and resume support, and not available in the MCU host bus, MPSSE and CPU FIFO modes. |
| 27 | BCBUS3 | bidirectional | Channel B control bus bit 3, which is TXLED# (transmit LED drive) in 232 UART mode and WR in 245 FIFO mode, with other functions in other modes. |
| 28 | BCBUS2 | bidirectional | Channel B control bus bit 2, which is RXLED# (receive LED drive) in 232 UART mode and RD# in 245 FIFO mode, with other functions in other modes. |
| 29 | BCBUS1 | bidirectional | Channel B control bus bit 1, which is SLEEP# in 232 UART mode and TXE# in 245 FIFO mode, with other functions in other modes. |
| 30 | BCBUS0 | bidirectional | Channel B control bus bit 0, which is TXDEN (RS485 transmit enable) in 232 UART mode and RXF# in 245 FIFO mode, with other functions in other modes. |
| 31 | VCCIOB | power_in | Supply for the channel B UART/FIFO interface pins, +3.0 V to +5.25 V, connected to a 3.3 V supply for 3.3 V logic or to VCC for 5 V CMOS output levels. |
| 32 | BDBUS7 | bidirectional | Channel B data bus bit 7, which is RI# in 232 UART mode and D7 in 245 FIFO mode. |
| 33 | BDBUS6 | bidirectional | Channel B data bus bit 6, which is DCD# in 232 UART mode and D6 in 245 FIFO mode. |
| 34 | GND | power_in | Device ground supply pin. |
| 35 | BDBUS5 | bidirectional | Channel B data bus bit 5, which is DSR# in 232 UART mode and D5 in 245 FIFO mode. |
| 36 | BDBUS4 | bidirectional | Channel B data bus bit 4, which is DTR# in 232 UART mode and D4 in 245 FIFO mode. |
| 37 | BDBUS3 | bidirectional | Channel B data bus bit 3, which is CTS# in 232 UART mode and D3 in 245 FIFO mode. |
| 38 | BDBUS2 | bidirectional | Channel B data bus bit 2, which is RTS# in 232 UART mode and D2 in 245 FIFO mode. |
| 39 | BDBUS1 | bidirectional | Channel B data bus bit 1, which is RXD in 232 UART mode and D1 in 245 FIFO mode. |
| 40 | BDBUS0 | bidirectional | Channel B data bus bit 0, which is TXD in 232 UART mode and D0 in 245 FIFO mode. |
| 41 | PWREN# | output | Goes low after USB configuration and high during USB suspend, usable to switch external logic power through a P-channel logic-level MOSFET when the EEPROM interface pull-down option is enabled. |
| 42 | VCC | power_in | Supply to the device core, LDO and non-UART/FIFO interface pins, +4.35 V to +5.25 V. |
| 43 | XTIN | input | Input to the 6 MHz crystal oscillator, which can also be driven by a 5 V CMOS clock or an AC-coupled clock centred on VCC/2. |
| 44 | XTOUT | output | Output of the 6 MHz crystal oscillator, which stops oscillating during USB suspend. |
| 45 | AGND | power_in | Analog ground supply for the internal x8 clock multiplier. |
| 46 | AVCC | power_in | Analog supply for the internal x8 clock multiplier, filtered by a 470 Ohm series resistor and 100 nF to GND. |
| 47 | TEST | input | IC test mode input that must be tied to GND for normal operation. |
| 48 | EECS | bidirectional | EEPROM chip select, tri-stated during device reset and connected to the EEPROM CS pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | FTDI |
| Package | LQFP-48(7x7) |
| Category | Interface |
| Pins | 48 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VCC Operating Supply Voltage | Vcc1 | 4.35 | 5 | 5.25 | V | 18 | |
| VCCIO Operating Supply Voltage | Vcc2 | 3 | 5.25 | V | 18 | ||
| Operating Supply Current (USB Suspend) | Icc2 | 100 | 200 | μA | USB Suspend | 18 | |
| Output Voltage High (IO pins, standard drive) | Voh | 3.2 | 4.1 | 4.9 | V | VCCIO = 5.0V, Standard Drive Level; I source = 2mA | 18 |
| Output Voltage Low (IO pins, standard drive) | Vol | 0.3 | 0.4 | 0.6 | V | VCCIO = 5.0V, Standard Drive Level; I sink = 2mA | 18 |
| Input Switching Threshold (IO pins, standard drive) | Vin | 1.3 | 1.6 | 1.9 | V | VCCIO = 5.0V, Standard Drive Level | 18 |
| Input Switching Hysteresis (IO pins, standard drive) | VHys | 50 | 55 | 60 | mV | VCCIO = 5.0V, Standard Drive Level | 18 |
| Output Voltage High (IO pins, standard drive) | Voh | 2.2 | 2.7 | 3.2 | V | VCCIO = 3.0 - 3.6V, Standard Drive Level; I source = 1 mA | 18 |
| Output Voltage Low (IO pins, standard drive) | Vol | 0.3 | 0.4 | 0.5 | V | VCCIO = 3.0 - 3.6V, Standard Drive Level; I sink = 2 mA | 18 |
| Input Switching Threshold (IO pins, standard drive) | Vin | 1 | 1.2 | 1.5 | V | VCCIO = 3.0 - 3.6V, Standard Drive Level | 18 |
| Input Switching Hysteresis (IO pins, standard drive) | VHys | 20 | 25 | 30 | mV | VCCIO = 3.0 - 3.6V, Standard Drive Level | 18 |
| Output Voltage High (IO pins, high drive) | Voh | 3.2 | 4.1 | 4.9 | V | VCCIO = 5.0V, High Drive Level; I source = 6 mA | 18 |
| Output Voltage Low (IO pins, high drive) | Vol | 0.3 | 0.4 | 0.6 | V | VCCIO = 5.0V, High Drive Level; I sink = 6 mA | 18 |
| Input Switching Threshold (IO pins, high drive) | Vin | 1.3 | 1.6 | 1.9 | V | VCCIO = 5.0V, High Drive Level | 18 |
| Input Switching Hysteresis (IO pins, high drive) | VHys | 50 | 55 | 60 | mV | VCCIO = 5.0V, High Drive Level | 18 |
| Output Voltage High (IO pins, high drive) | Voh | 2.2 | 2.8 | 3.2 | V | VCCIO = 3.0 - 3.6V, High Drive Level; I source = 3mA | 18 |
| Input Switching Threshold (IO pins, high drive) | Vin | 1 | 1.2 | 1.5 | V | VCCIO = 3.0 - 3.6V, High Drive Level | 18 |
| Input Switching Hysteresis (IO pins, high drive) | VHys | 20 | 25 | 30 | mV | VCCIO = 3.0 - 3.6V, High Drive Level | 18 |
| Output Voltage High (XTIN/XTOUT) | Voh | 4 | 5 | V | Fosc = 6MHz | 19 | |
| Output Voltage Low (XTIN/XTOUT) | Vol | 0.1 | 1 | V | Fosc = 6MHz | 19 | |
| Input Switching Threshold (XTIN/XTOUT) | Vin | 1.8 | 2.5 | 3.2 | V | 19 | |
| Output Voltage High (RESET#, TEST, EECS, EESK, EEDATA) | Voh | 3.2 | 4.1 | 4.9 | V | I source = 2mA | 19 |
| Output Voltage Low (RESET#, TEST, EECS, EESK, EEDATA) | Vol | 0.3 | 0.4 | 0.6 | V | I sink = 2 mA | 19 |
| Input Switching Threshold (RESET#, TEST, EECS, EESK, EEDATA) | Vin | 1.3 | 1.6 | 1.9 | V | 19 | |
| Input Switching Hysteresis (RESET#, TEST, EECS, EESK, EEDATA) | VHys | 50 | 55 | 60 | mV | 19 | |
| Output Voltage High (RSTOUT#) | Voh | 3 | 3.6 | V | I source = 2mA | 19 | |
| Output Voltage Low (RSTOUT#) | Vol | 0.3 | 0.6 | V | I sink = 2mA | 19 | |
| USB IO Pins Static Output (High) | UVoh | 2.8 | 3.6 | V | RI = 1.5K to 3V3Out (D+); RI = 15K to GND (D-) | 19 | |
| USB IO Pins Static Output (Low) | UVol | 0 | 0.3 | V | RI = 1.5K to 3V3Out (D+); RI = 15K to GND (D-) | 19 | |
| Single Ended Rx Threshold | UVse | 0.8 | 2 | V | 19 | ||
| Differential Common Mode | UCom | 0.8 | 2.5 | V | 19 | ||
| Differential Input Sensitivity | UVDif | 0.2 | V | 19 | |||
| Driver Output Impedance | UDrvZ | 29 | 44 | Ohm | Includes external 27R series resistors on USBDP and USBDM (Note 15) | 19 | |
| Storage Temperature | -65 | 150 | °C | 17 | |||
| Ambient Temperature (Power Applied) | -40 | 85 | °C | 17 | |||
| VCC Supply Voltage | VCC | -0.5 | 6 | V | 17 | ||
| DC Input Voltage - Inputs | -0.5 | V | Upper limit printed as VCC + 0.5V | 17 | |||
| DC Input Voltage - High Impedance Bidirectionals | -0.5 | V | Upper limit printed as VCC + 0.5V | 17 | |||
| DC Output Current - Outputs | 24 | mA | 17 | ||||
| DC Output Current - Low Impedance Bidirectionals | 24 | mA | 17 | ||||
| Power Dissipation | 500 | mW | VCC = 5.25V | 17 | |||
| Electrostatic Discharge Voltage (Human Body Model) | -3000 | 3000 | V | I < 1μA | 17 | ||
| Latch Up Current | -200 | 200 | mA | Vi = +/-10V maximum, for 10 ms | 17 |
CAD (KiCad official)
- Symbol:
FT2232D-REEL - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
ft2232d-reel-etched.step/ft2232d-reel-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ft2232d-reel.step/ft2232d-reel.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: FTDI datasheet (56 pp, sha256
673e1ccd2b5d6b77, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).