Simtek Corporation
Simtek Corporation was a Colorado company that developed nvSRAM, a static RAM that automatically saves its contents to non-volatile memory on power loss. It was acquired by Cypress in 2008, and the line is now part of Infineon.
Simtek Corporation
STK11C48-N25I 2K x 8 nv SRAM CMOS nonvolatile static RAM (28-Pin 300 mil PDIP, 300 mil SOIC and 350 mil SOIC): datasheet PDF, pinout and specifications.
NVSRAM & FRAM 28-Pin 300 mil PDIP, 300 mil SOIC and 350 mil SOIC
Simtek Corporation
STK10C68-P45I High Performance 8K x 8 nvSRAM CMOS nonvolatile static RAM (28 Pin DIP or SOIC Type): datasheet PDF, pinout and specifications.
NVSRAM & FRAM 28 Pin DIP or SOIC Type