U637256 Datasheet - Simteh

U637256 CapStore 32K x 8 nvSRAM

The U637256 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 U637256 is.

U637256 Features

* CMOS non volatile static RAM 32768 x 8 bits 70 ns Access Time 35 ns Output Enable Access Time ICC = 15 mA typ. at 200 ns Cycle Time Unlimited Read and Write Cycles to SRAM Automatic STORE to EEPROM on Power Down using charge stored in an integrated capacitor Software initiated STORE

U637256_Simteh.pdf