{{tag>collection_mcmaster vendor_unknown type_unknown type_wafer year_unknown foundry_unknown tech_unknown}}

====== Source ======

Came off a yellow educational plaque off of eBay.


====== Overview ======

{{:mcmaster:misc:yellow_plaque.jpg?300|}}

Right wafer.  Wafer has markings SMC and 3007, I found a chip picture possibly matching it.  I can't figure out who SMC is though if thats the manufacturer. Maybe the layout engineer's initials? Based in micrographs I'd guess mask ROM.


====== Die ======

{{mcmaster:unknown:yellow_plaque_right_wafer_smc_3007:overview_mit2x.jpg?300}}
{{mcmaster:unknown:yellow_plaque_right_wafer_smc_3007:logo0_mit20x.jpg?300}}
{{mcmaster:unknown:yellow_plaque_right_wafer_smc_3007:logo1_mit20x.jpg?300}}
{{mcmaster:unknown:yellow_plaque_right_wafer_smc_3007:sample_mit20x.jpg?300}}