FT245RL-2000 FTDI [Future Technology Devices International Ltd.], FT245RL-2000 Datasheet

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FT245RL-2000

Manufacturer Part Number
FT245RL-2000
Description
USB FIFO IC - Single chip USB to parallel FIFO bidirectional data transfer interface
Manufacturer
FTDI [Future Technology Devices International Ltd.]
Datasheet
Devices International Ltd
The FT245R is a USB to parallel FIFO
interface with the following advanced
features:
FT245R USB FIFO IC
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
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 1024 bit EEPROM storing
device descriptors and FIFO I/O configuration.
Fully integrated USB termination resistors.
Fully integrated clock generation with no
external crystal 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.
FTDI‟s royalty-free Virtual Com Port (VCP) and
Direct (D2XX) drivers eliminate the
requirement for USB driver development in
most cases.
Unique USB FTDIChip-ID™ feature.
Configurable FIFO interface I/O pins.
Synchronous and asynchronous bit bang
interface options.
Future Technology
Copyright © 2010 Future Technology Devices International Limited
FT245R USB FIFO IC Datasheet Version 2.10
Device supplied pre-programmed with unique USB
serial number.
Supports bus powered, self powered and high-power
bus powered USB configurations.
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.
True 5V/3.3V/2.8V/1.8V CMOS drive output and TTL
input.
Configurable I/O pin output drive strength.
Integrated power-on-reset circuit.
Fully integrated AVCC supply filtering - no external
filtering required.
+3.3V (using external oscillator) to +5.25V (using
internal oscillator) Single Supply Operation.
Low operating and USB suspend current.
Low USB bandwidth consumption.
UHCI/OHCI/EHCI host controller compatible.
USB 2.0 Full Speed compatible.
-40°C to 85°C extended operating temperature
range.
Available in compact Pb-free 28 Pin SSOP and QFN-
32 packages (both RoHS compliant).
.
Document No.: FT_000052
Clearance No.: FTDI# 39
1

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FT245RL-2000 Summary of contents

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Future Technology Devices International Ltd FT245R USB FIFO IC The FT245R 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. ...

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... For driver installation, please refer to 1.2 Part Numbers Part Number FT245RQ-xxxx FT245RL-xxxx Note: Packaging codes for xxx is: -Reel: Taped and Reel, (SSOP is 2,000pcs per reel, QFN is 6,000pcs per reel). - Tube: Tube packing, 47pcs per tube (SSOP only) - Tray: Tray packing, 490pcs per tray (QFN only) For example: FT245RQ-Reel is 6,000pcs taped and reel packing Copyright © ...

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USB Compliant The FT245R is fully compliant with the USB 2.0 specification and has been given the USB-IF Test-ID (TID) 40680005. Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000052 FT245R USB FIFO IC Datasheet Version 2.10 ...

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FT245R Block Diagram VCC 3.3 Volt LDO 3V3OUT Regulator USB Transceiver USBDP Serial Interface with Integrated Series USBDM Resistors and 1.5K Pull-up USB DPLL OSCO (optional) Internal Clock 12MHz Multiplier OCSI Oscillator (optional) TEST GND Figure 2.1 FT245R Block ...

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Table of Contents 1 Typical Applications ........................................................................ 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 1.3 USB Compliant .................................................................................... 3 2 FT245R Block Diagram .................................................................... 4 3 Device Pin Out and Signal Description ............................................ 7 3.1 28-LD SSOP ...

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Solder Reflow Profile ..................................................................... 32 11 Contact Information ................................................................... 33 Appendix A - References ............................................................................ 34 Appendix B - List of Figures and Tables ..................................................... 35 Appendix C - Revision History .................................................................... 37 Copyright © 2010 Future Technology Devices ...

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... USBDP Description USB Data Signal Plus, incorporating internal series resistor and 1.5kΩ pull up resistor to 3.3V. USB Data Signal Minus, incorporating internal series resistor. Document No.: FT_000052 Clearance No.: FTDI VCCIO 20 VCC 16 USBDM 15 USBDP FT245RL RESET OSCI 28 OSCO RXF# TXE# 17 3V3OUT RD# ...

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Pin No. Name Type 4 VCCIO PWR 7, 18, GND PWR 21 17 3V3OUT Output 20 VCC PWR 25 AGND PWR Table 3.2 Power and Ground Group Pin No. Name Type RESET# Input 26 TEST ...

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Pin No. Name Type 11 D3 I/O 12 PWREN# Output 13 RD# Input 14 WR Input 22 TXE# Output 23 RXF Output Table 3.4 FIFO Interface Group (see note 3) Notes: 1. The minimum operating voltage VCC must be +4.0V ...

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QFN-32 Package Figure 3.2 QFN-32 Package Pin Out and schematic symbol 3.4 QFN-32 Package Signal Description Pin No. Name Type Description USB Data Signal Plus, incorporating internal series resistor and 1.5kΩ pull up resistor 14 USBDP I/O to +3.3V. ...

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Pin No. Name Type Description +1.8V to +5.25V supply for the FIFO Interface group pins (2, 3, 6,7,8,9,10 11, 21, 22, 30,31,32). In USB bus powered designs connect this pin to 3V3OUT to drive out at +3.3V levels, or connect ...

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Pin Name Type Description No I/O FIFO Data Bus Bit I/O FIFO Data Bus Bit I/O FIFO Data Bus Bit 3 Goes low after the device is configured by USB, then high ...

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FT245R FIFO READ Timing Diagrams RXF# RD# T3 D[7...0] Figure 3.3 FIFO Read Cycle Time Description T1 RD# Active Pulse Width T2 RD# to RD# Pre-Charge Time T3 RD# Active to Valid Data* Valid Data Hold Time from RD# ...

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FT245R FIFO WRITE Timing Diagrams TXE# WR D[7...0] Figure 3.4 FIFO Write Cycle Time Description T7 WR Active Pulse Width Pre-Charge Time Valid data setup to WR falling T9 edge* Valid Data Hold Time from ...

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Function Description The FT245R is a USB to parallel FIFO interface device which simplifies USB to FIFO designs and reduces external component count by fully integrating an external EEPROM, USB termination resistors and an integrated clock circuit which requires ...

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Functional Block Descriptions The following paragraphs detail each function within the FT245R. Please refer to the block diagram shown in Figure 2.1 Internal EEPROM. The internal EEPROM in the FT245R is used to store USB Vendor ID (VID), Product ...

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... Parameter Storage Temperature Floor Life (Out of Bag) At Factory Ambient (30°C / 60% Relative Humidity) Ambient Temperature (Power Applied) MTTF FT245RL MTTF FT245RQ VCC Supply Voltage DC Input Voltage – USBDP and USBDM DC Input Voltage – High Impedance Bidirectionals DC Input Voltage – All Other Inputs DC Output Current – ...

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DC Characteristics DC Characteristics (Ambient Temperature = -40°C to +85°C) Parameter Description VCC Operating Supply VCC1 Voltage VCC Operating Supply VCC1 Voltage VCCIO Operating VCC2 Supply Voltage Operating Supply Icc1 Current Operating Supply Icc2 Current 3V3 3.3v regulator output ...

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Parameter Description Voh Output Voltage High Vol Output Voltage Low Input Switching Vin Threshold Input Switching VHys Hysteresis Table 5.5 FIFO I/O Pin Characteristics (VCCIO = +2.8V, Standard Drive Level) Parameter Description Voh Output Voltage High Vol Output Voltage Low ...

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Parameter Description Voh Output Voltage High Vol Output Voltage Low Input Switching Vin Threshold Input Switching VHys Hysteresis Table 5.9 FIFO I/O Pin Characteristics (VCCIO = +2.8V, High Drive Level) Parameter Description Voh Output Voltage High Vol Output Voltage Low ...

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Parameter Description Driver Output UDrvZ Impedance Table 5.12 USB I/O Pin (USBDP, USBDM) Characteristics Note 1: Driver output impedance includes the internal USB series termination resistors on USBDP and USBDM pins 6.1 EEPROM Reliability Characteristics The internal 1024 Bit EEPROM ...

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... USB Power Configurations The following sections illustrate possible USB power configurations for the FT245R. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT245RL and FT245RQ package options. All USB power configurations illustrated apply to both package options for the FT245R device. Please refer to Section 3 for the package option pin-out and signal descriptions ...

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Self Powered Configuration Figure 7.2 Self Powered Configuration Figure 7.2 illustrates the FT245R in a typical USB self powered configuration. A USB self powered device gets its power from its own power supply, VCC, and does not draw current ...

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USB Bus Powered with Power Switching Configuration P-Channel Power MOSFET Ferrite Bead 10nF SHIELD GND 100nF 4.7uF Figure 7.3 Bus Powered with Power Switching Configuration A requirement of USB bus powered applications, is ...

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PWREN# gets its VCC from VCCIO. For designs using 3V3 logic, ensure VCCIO is not powered down using the external logic. In this case use the +3V3OUT. 7.4 USB Bus Powered with Selectable External Logic Supply Ferrite Bead 1 ...

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... Application Examples The following sections illustrate possible applications of the FT245R. The illustrations have omitted pin numbers for ease of understanding since the pins differ between the FT245RL and FT245RQ package options. 8.1 USB to MCU FIFO Interface Ferrite Bead 10nF 5 SHIELD GND ...

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Using the External Oscillator The FT245R defaults to operating using its own internal oscillator. This requires that the device is powered with VCC (min)=+4.0V. This supply voltage can be taken from the USB VBUS. Applications which require using an ...

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Internal EEPROM Configuration Following a power-on reset or a USB reset the FT245R will scan its internal EEPROM and read the USB configuration descriptors stored there. The default factory programmed values of the internal EEPROM are shown in Table ...

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... Figure 10.1 SSOP-28 Package Dimensions The FT245RL is supplied in a RoHS compliant 28 pin SSOP package. The package is lead (Pb) free and uses a „green‟ compound. The package is fully compliant with European Union directive 2002/95/EC. This package is nominally 5.30mm x 10.20mm body (7.80mm x 10.20mm including pins). The pins are ...

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QFN-32 Package Dimensions Indicates Pin # 1 ( Laser Marked ) Central Heat Sink Area 0. 500 0.250 +/-0.050 Pin # 200 Note: The pin # connected internally to the device’s central heat sink ...

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QFN-32 Package Typical Pad Layout Optional GND Connection 0.200 Min Figure 10.3 Typical Pad Layout for QFN-32 Package 10.4 QFN-32 Package Typical Solder Paste Diagram Figure 10.4 Typical Solder Paste Diagram for QFN-32 Package Copyright © 2010 Future Technology ...

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Solder Reflow Profile The FT245R is supplied in Pb free 28 LD SSOP and QFN-32 packages. The recommended solder reflow profile for both package options is shown Max S T Min S ...

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Contact Information Head Office – Glasgow, UK Future Technology Devices International Limited Unit 1, 2 Seaward Place, Centurion Business Park Glasgow G41 1HH United Kingdom Tel: +44 (0) 141 429 2777 Fax: +44 (0) 141 429 2758 E-mail (Sales) ...

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Appendix A - References Useful Application Notes http://www.ftdichip.com/Documents/AppNotes/AN232R-01_FT232RBitBangModes.pdf http://www.ftdichip.com/Documents/AppNotes/AN_107_AdvancedDriverOptions_AN_000073.pdf http://www.ftdichip.com/Documents/AppNotes/AN232R-02_FT232RChipID.pdf http://www.ftdichip.com/Documents/AppNotes/AN_121_FTDI_Device_EEPROM_User_Area_Usage.pdf http://www.ftdichip.com/Documents/AppNotes/AN_120_Aliasing_VCP_Baud_Rates.pdf http://www.ftdichip.com/Documents/AppNotes/AN_100_Using_The_FT232_245R_With_External_Osc(FT_ 000067).pdf http://www.ftdichip.com/Resources/Utilities/AN_126_User_Guide_For_FT232_Factory%20test%20utility. pdf http://www.ftdichip.com/Documents/AppNotes/AN232B-05_BaudRates.pdf http://www.ftdichip.com/Documents/InstallGuides.htm Copyright © 2010 Future Technology Devices International Limited Document No.: FT_000052 FT245R USB FIFO IC Datasheet Version 2.10 Clearance No.: FTDI# 39 ...

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Appendix B - List of Figures and Tables List of Figures Figure 2.1 FT245R Block Diagram ................................................................................................... 4 Figure 3.1 SSOP Package Pin Out and Schematic Symbol ................................................................... 7 Figure 3.2 QFN-32 Package Pin Out and schematic symbol .............................................................. 10 ...

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Table 5.11 RESET# and TEST Pin Characteristics ............................................................................ 20 Table 5.12 USB I/O Pin (USBDP, USBDM) Characteristics ................................................................. 21 Table 5.13 EEPROM Characteristics ............................................................................................... 21 Table 5.14 Internal Clock Characteristics ....................................................................................... 21 Table 5.15 OSCI, OSCO Pin Characteristics – see ...

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Appendix C - Revision History Version 0.90 Initial Datasheet Created Version 0.94 Revised Pre-release datasheet Version 1.00 Full datasheet released Version 1.02 Minor revisions to datasheet released Version 1.03 Manufacturer ID added to default EEPROM data Version 1.04 Buffer sizes ...

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