DS245BL Version 1.6 Future Technology Devices Intl. Ltd. 2005
Page 23 of 24
FT245BL USB FIFO ( USB - Parallel ) I.C.
8.0 Document Revision History
DS245B Version 1.0
– Initial document created 8th August 2002.
DS245B Version 1.1
– Updated 23 October 2003
Pin and package naming made consistent throughout data sheet.
Section 1.0 Corrected data transfer rate for VCP drivers.
Section 1.0 Amended to reflect availability of Mac OS X drivers.
Section 1.1 Description of behaviour of TXE# and RXF# amended.
Section 3.1 Minor changes to functional block descriptions.
Section 2.0 Compatible EEPROM configurations corrected.
Section 4.1 SI/WU Pin description amended.
Section 4.1 RSTOUT# Pin description amended.
Section 4.1 EEPROM interface Pin descriptions amended.
Section 4.1 Note 2 should have referred to VCCIO, not VCC.
Section 4.1 FIFO timing diagram amended.
Section 6.1 Minimum Operating supply voltage adjusted.
Section 7.1 Updated recommended ceramic resonator part number and circuit configuration.
Section 7.3 “USB Self Powered Configuration (1)” (original Figure 8) removed. Recommended circuit for USB self powered designs updated.
Section 7.3 Self Powered Circuit with 3.3V logic drive / supply voltage added (new figure 8).
Section 7.3 Figure 11 Bus powered circuit with power control updated to add soft start circuit on MOSFET. Circuit description amended.
DS245B Version 1.2
– Updated 20 November 2003.
Section 6.1 FIFO Data control Bus IO pin characteristics amended
Section 6.1 RESET#, TEST, EECS, EESK, and EEDATA pin characteristics amended.
Section 6.1 RSTOUT# pin characteristics amended.
DS245B Version 1.3
– Updated 10 December 2003
Section 5.0 Package drawing amended.
Section 6.0 Floor Life / Relative Humidity specification added. ESD and Latch Up specifications amended.
Section 7.1 Required accuracy of crystal / resonator corrected.
DS245B Version 1.4
– Updated 10 February 2004
Grammar Corrections.
Section 10.0 FTDI Address Updated
Section 4.1 VCCIO Pin description ammended.
DS245B Version 1.5
– Updated March 2004
Section 4.1 FIFO EESK Pin Description amended.
Section 4.1 FIFO WR timings and diagram amended.
Section 7.3 Figure 10 SI/WU Pin number corrected
Section 7.3 Figure 11 PWREN# Pin number corrected
DS245B Version 1.6
– Updated February 2005
Section 1 - Win CE VCP drivers now available
Section 1 - D2XX drivers for Win CE and Linux now available
Section 5 FT245BL (lead free) and FT245BQ (lead free QFN package) now available