Document No.: FT_000052
FT245R USB FIFO IC Datasheet Version 2.10
Clearance No.: FTDI# 39
Future Technology
Devices International Ltd
.
FT245R USB FIFO IC
Device supplied pre-programmed with unique USB
serial number.
The FT245R is a USB to parallel FIFO
interface with the following advanced
features:
Supports bus powered, self powered and high-power
bus powered USB configurations.
Single chip USB to parallel FIFO bidirectional
data transfer interface.
Integrated +3.3V level converter for USB I/O.
Integrated level converter on FIFO interface for
interfacing to external logic running at between
+1.8V and +5V.
Entire USB protocol handled on the chip. No
USB specific firmware programming required.
Fully integrated 1024 bit EEPROM storing
device descriptors and FIFO I/O configuration.
True 5V/3.3V/2.8V/1.8V CMOS drive output and TTL
input.
Fully integrated USB termination resistors.
Configurable I/O pin output drive strength.
Integrated power-on-reset circuit.
Fully integrated clock generation with no
external crystal required.
Fully integrated AVCC supply filtering - no external
filtering required.
Data transfer rates up to 1Mbyte / second.
128 byte receive buffer and 256 byte transmit
buffer utilising buffer smoothing technology to
allow for high data throughput.
+3.3V (using external oscillator) to +5.25V (using
internal oscillator) Single Supply Operation.
Low operating and USB suspend current.
Low USB bandwidth consumption.
FTDI‟s royalty-free Virtual Com Port (VCP) and
Direct (D2XX) drivers eliminate the
requirement for USB driver development in
most cases.
UHCI/OHCI/EHCI host controller compatible.
USB 2.0 Full Speed compatible.
Unique USB FTDIChip-ID™ feature.
-40°C to 85°C extended operating temperature
range.
Configurable FIFO interface I/O pins.
Synchronous and asynchronous bit bang
interface options.
Available in compact Pb-free 28 Pin SSOP and QFN-
32 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
Copyright © 2010 Future Technology Devices International Limited
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