, , , ,

A Soviet clone of 82S126, the 256×4 bipolar ROM.

Package

КР556РТ4
8711

Die

No text markings on the die.

siliconprawn.org_map_gamma_kr556rt4_single_gamma_kr556rt4_infosecdj_mz_nikpa20x.thumb.jpg

Top metal imaged under a Nikon Plan Apo 20x/0.75