HT82K628A Revision # 1.70 • Windows 2000 PS/2 Keyboard Encoder Modifications made on June 11, 2008 In the Features, Pin Assignment and other related sections, a new 48-pin SSOP package type was added. • Three new paragraphs have been added under the Functional Description heading and also a Basic Assurance Test and Power-on sections were added. Revision # 1.60 Modifications made on April 16, 2003 • At the Functional Description section, the Mini Keyboard Operation Manual was deleted. • At the Key Matrix table, many Shortcut menus with Ctrl and Alt functions were deleted. Revision # 1.50 • Modifications made on December 15, 2003 At the D.C. Characteristics table, the Typ. and Max. values for LED Sink Current were modified. Revision # 1.40 Modifications made on November 28, 2003 • At the Features section, Design for Windows XP feature was added. • At the D.C. Characteristics table, IOH1 entries were added and modifications were made on the Parameter description, as well as the Min. and Typ. values of the IOL and IOH2. Revision # 1.30 • Modifications made on October 3, 2002 Package Information section was added. Revision # 1.20 Modifications made on January 3, 2002 • In the Key matrix table, Explorer key was removed. • At the Application Circuits Diagram, the resistor value for OSC1 application was changed from 100kΩ to 62kΩ. Revision # 1.10 Modifications made on July 9, 2001 • Dice form package was deleted. • At the Electrical Characteristics table, the Min. and Max. Test Conditions for the Operating voltage VDD were changed from 4V and 5.5V to 4.75V and 5.25V respectively. Revision # 1.00 • Modifications made on December 8, 2001 Preliminary texts were deleted from the front page heading and the subsequent pages.