The TN80C196KC20 microcontroller and its accessories (datasheet) are available.
There is no information about the weight, dimensions, and designation on the front and back side (L618QB30F, ‘86’91, M3 (M2), SG, a2, or d2 (a1, a4, b2, b5, f1, f5, g2, a(d)2).
Information about this product was not found on the Intel website. There are links to the Intel System Handbook and Intel Packaging Handbook in the Toolkit on page 3, but they are also missing from the specified link. Please send additional materials or provide the following information about the specified product: 1. weight 2. overall dimensions 3. decoding the symbols on the front side 4. explanation of the symbols on the reverse side 5. method of marking on the front and back side.