Description
2 Mbit Flash + 1 Mbit SRAM ComboMemory SST31LF021 / SST31LF021E SST31LF021 / 021E2 Mb Flash (x8) + 1 Mb SRAM (x8) Monolithic ComboMemories Data Sheet.
The SST31LF021/021E devices are a 256K x8 CMOS flash memory bank combined with a 128K x8 or 32K x8 CMOS SRAM memory bank manufactured with SST’s propr.
Features
* Monolithic Flash + SRAM ComboMemory
* SST31LF021/021E: 256K x8 Flash + 128K x8 SRAM
* Single 3.0-3.6V Read and Write Operations
* Concurrent Operation
* Read from or Write to SRAM while Erase/Program Flash
* Superior Reliability
* Endurance:
Applications
* the SST31LF021/ 021E devices are offered with a guaranteed endurance of 10,000 cycles. Data retention is rated at greater than 100 years. The SST31LF021/021E operate as two independent memory banks with respective bank enable signals. The SRAM and flash memory banks are superimposed in the same mem
