256千位（ 32K ×8 ）自动存储的nvSRAM 256 Kbit 32K x 8 AutoStore nvSRAM
Functional Description
The Cypress STK14C88-5 is a faststatic RAM with a nonvolatile element in each memory cell. The embedded nonvolatile elements incorporate QuantumTrap technology producing the world’s most reliable nonvolatile memory. The SRAM provides unlimited read and write cycles, while independent, nonvolatile data resides in the highly reliable QuantumTrap cell.
Features
■35 ns and 45 ns access times
■Hands off automatic STORE on power down with external 68µF capacitor
■STORE to QuantumTrap™ nonvolatile elements is initiated by software, hardware, or AutoStore™ on power down
■RECALL to SRAM initiated by software or power up
■Unlimited READ, WRITE, and RECALL cycles
■1,000,000 STORE cycles to QuantumTrap
■100 year data retention to QuantumTrap
■Single 5V+10% operation
■Military temperature
■32-pin 300 mil CDIP and LCC 450 mil packages