Hello, @skan_prof:
Thank you for contacting the Intel Embedded Community.
The datasheet of the cited part number has been provided to you as may confirm in the thread stated in the following website:
https://community.intel.com/t5/Embedded-Intel-Core-Processors/TN80C196KC20/m-p/1193184#M3505
Based on the information stated on page 3 of the MCS(R) 8XC196KC/8XC196KC20 Microcontroller Datasheet document # 270942 that has been attached to the cited thread, the cited part number detail information of its dimensions can be found on pages 2-33, 2-39, 2-40, 2-41, 2-42, 2-43 of Chapter 2 of the Intel Packaging Databook that can be found in the following website:
https://www.intel.com/content/dam/www/public/us/en/documents/packaging-databooks/packaging-chapter-02-databook.pdf
The information that may help to decode the markings of the cited device is stated in chapter 5, on page 50 (5-1) of the Zap Code II Handbook that has been attached to this thread.
It is important to clarify that the part number that you have mentioned has been discontinued. You can confirm this information in the Product Change Notifications (PCNs) 104316 and 106013 that can be found at:
http://qdms.intel.com/dm/i.aspx/CA8C0EA3-A8AB-4F8F-B85F-BEEBBE08191C/PCN104316-02.pdf
http://qdms.intel.com/dm/i.aspx/7C715FEC-C598-444E-9EFB-2750B98F7956/PCN106013-01.pdf
The Material Declaration Datasheet (MDDS) may have the weight information of the cited part number but as we mentioned it is a retired part, which its MDDS is unavailable as is stated in the following website:
https://www.intel.com/content/www/us/en/support/articles/000028326/memory-and-storage.html
Finally, please review the attached Dear Customer Letter (DCL).
Please let us know if this information is useful to you.
Best regards,
@CarlosAM_INTEL.