Datasheet FT232R (FTDI) - 39

FT232R USB UART IC Datasheet Version 2.16
Document No.: FT_000053 Clearance No.: FTDI# 38
Appendix C – Revision History
Document Title: FT232R USB UART IC Datasheet Document Reference No.: FT_000053 Clearance No.: FTDI# 38 Product Page: http://www.ftdichip.com/FTProducts.htm Document Feedback: Send Feedback
Revision Changes Date
Version 0.90 Initial Release August 2005 Version 0.96 Revised Pre-release datasheet October 2005 Version 1.00 Full Datasheet Release December 2005 Version 1.02 Minor revisions to datasheet December 2005 Manufacturer ID added to default EEPROM configuration; Version 1.03 Buffer sizes added January 2006 Version 1.04 QFN-32 Pad layout and solder paste diagrams added January 2006 Reformatted, updated package info, added notes for 3.3V operation; Part numbers, TID; added UART and CBUS characteristics for +1.8V; Version 2.00 Corrected RESET#; Added MTTF data; June 2008 Corrected the input switching threshold and input hysteresis values for VCCIO=5V Corrected pin-out number in table3.2 for GND pin18. Improved graphics on some Figures. Version 2.01 Add packing details. Changed USB suspend current spec August 2008 from 500uA to 2.5mA Corrected Figure 9.2 QFN dimensions. Corrected Tape and Reel quantities. Added comment “PWREN# should be used with a 10kΩ resistor pull up”. Replaced TXDEN# with TXDEN since it is active high in various places. Version 2.02 Added lot number to the device markings. April 2009 Added 3V3 regulator output tolerance. Clarified VCC operation and added section headed “Using an external Oscillator” Updated company contact information. Corrected the RX/TX buffer definitions to be relative to the Version 2.03 June 2009 USB interface Version 2.04 Additional dimensions added to QFN solder profile June 2009 Copyright © Future Technology Devices International Limited 39 Document Outline 1 Typical Applications 1.1 Driver Support 1.2 Part Numbers 1.3 USB Compliant 2 FT232R Block Diagram 3 Device Pin Out and Signal Description 3.1 28-LD SSOP Package 3.2 SSOP Package Pin Out Description 3.3 QFN-32 Package 3.4 QFN-32 Package Signal Description 3.5 CBUS Signal Options 4 Function Description 4.1 Key Features 4.2 Functional Block Descriptions 5 Devices Characteristics and Ratings 5.1 Absolute Maximum Ratings 5.2 DC Characteristics 5.3 EEPROM Reliability Characteristics 5.4 Internal Clock Characteristics 5.5 Thermal Characteristics 6 USB Power Configurations 6.1 USB Bus Powered Configuration 6.2 Self Powered Configuration 6.3 USB Bus Powered with Power Switching Configuration 6.4 USB Bus Powered with Selectable External Logic Supply 7 Application Examples 7.1 USB to RS232 Converter 7.2 USB to RS485 Converter 7.3 USB to RS422 Converter 7.4 USB to MCU UART Interface 7.5 LED Interface 7.6 Using the External Oscillator 8 Internal EEPROM Configuration 9 Package Parameters 9.1 SSOP-28 Package Dimensions 9.2 QFN-32 Package Dimensions 9.3 Solder Reflow Profile 10 Alternative Parts 11 Contact Information Appendix A – References Document References Acronyms and Abbreviations Appendix B – List of Figures and Tables List of Figures List of Tables Appendix C – Revision History