CY14B256Q1 Datasheet, Cypress Semiconductor

*
* 256-Kbit nonvolatile static random access memory (nvSRAM)
* Internally organized as 32 K × 8
* STORE to QuantumTrap nonvolatile elements initiated a.

.............................................. 9 Status Register ............................................................... 10 Read Status Register (RDSR) Instruction ................. 10 Write Status Register (WRSR) Instruction .................