HT6221/HT6222    Multi-Purpose Encoders

Revision # 1.70   Modifications made on March 9, 2009

  • The Pad Assignment section was removed.
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  • The Pad Coordinates section was removed.
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  • The Package Information section was modified.
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  • The Product Tape and Reel Specifications section was modified.

Revision # 1.60   Modifications made on August 14, 2008

  • The Pad Assignment was modified.
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  • The Pad Coordinates was modified.
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  • The Package Information section was modified.
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  • At The Product Tape and Reel Specifications section, the Carrier Tape Dimensions diagram was modified.

Revision # 1.50   Modifications made on October 1, 2007

  • In the Electrical Characteristics table, the Min. value for VIH2 was modified.

Revision # 1.40   Modifications made on March 4, 2003

  • The Pad Assignment and Pad Coordinates sections were modified.
  • The Approximate internal connection circuits section was modified.
  • Package Information section was added.
  • Product Tape and Reel Specifications section was added.

Revision # 1.30   Modifications made on September 5, 2001

  • The Pad names were updated.

Revision # 1.20   Modifications made on May 31, 2001

  • At the Timing Diagram 2, the units were changed from 8.77ms to 8.77µs, and 26.3ms to 26.3µs.
  • The 20/24-pin DIP package were deleted.

Revision # 1.10   Modifications made on March 13, 2001

  • HT6221_002/HT6222_002 and all those related to such part numbers were deleted.
  • The Customer ROM Code Approved Tables were also deleted.

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