Retired Product

This product has been retired from our catalog and is no longer for sale. This page is made available for those looking for datasheets and the simply curious.

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Description: Basic breakout board for FTDI’s popular USB to FIFO IC. Now with internal oscillator and EEPROM, the FT245RL is an impressive IC! This FIFO IC gives the user 8 I/O pins for parallel reading and writing.

Board comes assembled with IC as shown.

Dimensions: 1.5x0.92"


  • Implements full v2.0 USB protocol
  • Needs no external crystal
  • Internal EEPROM for device ID and Product Description strings
  • Royalty-Free Driver support for Windows, Linux, and Mac OSX


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Customer Comments

  • I found this really easy to get started using. I downloaded a sample C++ project from the FTDIChip-ID Examples section of the website, started adding code from the D2XX Programmer’s Guide document, and it’s working great.

  • FTW, 1.5x0.92" = 38.1 mm x 23.4 mm. Metric, for Pete’s sake.

    Except that this can’t be right. There are 9 holes at 2.54 mm pitch, so the total board length is about 10 x 2.54 mm, or 25.4 mm (1"), certainly not 1.5".

  • i can’t tell from the photos: does this use mini usb or micro usb? also, can this be used for implementing an HID device recognized by a pc/mac/linux box as a HID device without a driver install? also, this thing is multiple years old…is it on its way out? is there a better option here for what i’d like to do?

    • I was wondering the same thing. According to it’s a mini USB.

      Sparkfun, can the next version of this BOB be with a micro-USB connector? Mini-USB is so passé.

  • I have to put it on a other PCB. Where can i find the footprint?

  • Guys I want to Know whether interfacing Keyboard with Microcontroller is Possible with Break out Board (USB to Parallel Converter,FT245R)…Please post your ideas…

  • I’m finding this incredibly difficult to implement. It would really help if there were sample code (particularly C# sample code) for this product. I’ve read through a lot of documentation on the FTDI website, and I’ve successfully installed the drivers, but cannot find examples or instructions on how to actually USE it from a C# program. Any help would be greatly appreciated.

  • I’m wondering if you could use this with an iphone/ipod to pull the audio signals out - any ideas?

  • Tip for the next version of this breakout board: “Put the pin label silk screen on the top of the device and not on the bottom of the board."
    The first thing someone will do is put headers on this breakout board and use it on a breadboard, then guess what, they will need to pull it out and look on the underside to confirm pin outs. Seems like a simple design idea, not sure how this item slipped by. I am sure there is a reason for it, right?

    • I agree that it would be more handy to have the pinout printed at the top side, but the reason why it’s printed on the bottom is probably a simple one: there’s more space there.

  • This board is really awesome. You can use it to send or receive data to any system- I have an ATMega328p functioning as a latch and simple controller for the signals.
    There is only one problem though, and I’m not sure who’s end it is on. I know that my circuit is correct, as well as my code (cocky but I’ve checked this many, many times). However, my data is being scrambled at some point. I’m not sure if it’s a problem with how Windows is sending the data, or a problem involved in the pin labelling, but the data I am sending is showing up in the wrong order on the data output pins. Still, as long as you test your circuit before you have gotten to a point where this is difficult to get around, this board and chip are an awesome and simple way to send data to a system over a USB connection.

    • Do you have any sample code you can share (ideally, C# code)? I’m having lots of trouble figuring this thing out.

  • v1.05 datasheet link is broken, returns 404 error.
    V2.06 is now available at
    Can you verify that the new datasheet is consistent with the FT245R on this board?

Customer Reviews

5 out of 5

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Works Great

Connected to a 68008 CPU, A copy of Katy 68k board running at 14mhz comm speed is set at 115200