U634H256XS - PowerStore 32K x 8 nvSRAM Die

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Simtek

Part number	U634H256XS
Manufacturer	Simtek
File Size	282.89 KB
Description	PowerStore 32K x 8 nvSRAM Die
Datasheet	U634H256XS Datasheet
Additional preview pages of the U634H256XS datasheet.

The U634H256XS 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.

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 ICC = 15 mA typ. at 200 ns Cycle Time Automatic STORE to EEPROM on Power Down using external capacitor Hardware or Software initiated STORE (STORE Cycle Time < 10 ms) Automatic STORE Timing 105 STORE cycl.

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Published: Sep 19, 2007 |