U631H256XS Datasheet - Simtek

U631H256XS SoftStore 32K x 8 nvSRAM Die

The U631H256XS has two separate modes of operation: SRAM mode and nonvolatile mode. In SRAM mode, the memory operates as an ordinary static RAM. In nonvolatile operation, data is transferred in parallel from SRAM to EEPROM or from EEPROM to SRAM. In this mode SRAM functions are disabled. The U631H25.

U631H256XS Features

* High-performance CMOS nonvolatile static RAM 32768 x 8 bits 25, 35 and 45 ns Access Times 10, 15 and 20 ns Output Enable Access Times Software STORE

U631H256XS_Simtek.pdf