{{tag>collection_infosecdj vendor_gamma type_unknown year_unknown foundry_unknown}}

A Soviet clone of 82S126, the 256x4 bipolar ROM.

====== Package ======

{{:infosecdj:gamma:kr556rt4:pack_top.jpg?300|}}

<code>
КР556РТ4
8711
</code>

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

No text markings on the die.

{{https://siliconprawn.org/map/gamma/kr556rt4/single/gamma_kr556rt4_infosecdj_mz_nikpa20x.thumb.jpg}}

[[https://siliconprawn.org/map/gamma/kr556rt4/infosecdj_mz_nikpa20x/|Top metal imaged under a Nikon Plan Apo 20x/0.75]]

  * [[https://siliconprawn.org/map/gamma/kr556rt4/single/gamma_kr556rt4_infosecdj_mz_nikpa20x.jpg|Single]] (18962x23550, 117.907MiB)