Copyright © 2013 Future Technology Devices International Limited

1

FT240X USB 8-BIT FIFO IC Datasheet

Version 1.3

Document No.: FT_000626 Clearance No.:

FTDI# 259

Future Technology

FT240X

(USB 8-BIT FIFO IC)

The FT240X is a USB to parallel FIFO

interface with the following advanced

features:



Single chip USB to parallel FIFO bidirectional

data transfer interface.



Entire USB protocol handled on the chip. No

USB specific firmware programming required.



Fully integrated 2048 byte multi-time-

programmable (MTP) memory, storing device

descriptors and FIFO I/O configuration.



Fully integrated clock generation with no

external crystal required plus optional clock

output selection enabling glue-less interface to

external MCU or FPGA.



Data transfer rates up to 1Mbyte / second.



512 byte receive buffer and 512 byte transmit

buffer utilising buffer smoothing technology to

allow for high data throughput.



FTDI’s royalty-free Virtual Com Port (VCP) and

Direct (D2XX) drivers eliminate the

requirement for USB driver development in

most cases.



Configurable FIFO interface I/O pins.



Synchronous and asynchronous bit bang

interface options.



USB Battery Charger Detection. Allows for USB

peripheral devices to detect the presence of a higher

power source to enable improved charging.



Device supplied pre-programmed with unique USB

serial number.



USB Power Configurations; supports bus- powered,

self-powered and bus-powered with power

switching.



Integrated +3.3V level converter for USB I/O.



True 3.3V CMOS drive output and TTL input;

operates down to 1V8 with external pull-ups.

Tolerant of 5V input.



Configurable I/O pin output drive strength; 4

mA(min) and 16 mA(max).



Integrated power-on-reset circuit.



Fully integrated AVCC supply filtering - no external

filtering required.



+5V Single Supply Operation.



Internal 3V3/1V8 LDO regulators



Low operating and USB suspend current; 8mA

(active-typ) and 125uA (suspend-typ).



UHCI/OHCI/EHCI host controller compatible.



USB 2.0 Full Speed capable.



Extended operating temperature range; -40 to 85⁰C.



Available in compact Pb-free 24 Pin SSOP and QFN-

24 packages (both RoHS compliant).

Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced

in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are

supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology

Devices International Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your

statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in

which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary

information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by

the publication of this document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park,

Glasgow G41 1HH United Kingdom. Scotland Registered Company Number: SC136640