STK11C88-SF45I 데이터 시트보기 (PDF) - Unspecified
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STK11C88-SF45I Datasheet PDF : 15 Pages
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STK11C88
256 Kbit (32K x 8) SoftStore nvSRAM
Features
■ 25 ns and 45 ns access times
■ Pin compatible with industry standard SRAMs
■ Software initiated STORE and RECALL
■ Automatic RECALL to SRAM on power up
■ Unlimited Read and Write endurance
■ Unlimited RECALL cycles
■ 1,000,000 STORE cycles
■ 100 year data retention
■ Single 5V+10% power supply
■ Commercial and Industrial Temperatures
■ 28-pin (300 mil and 330 mil) SOIC packages
■ RoHS compliance
Functional Description
The Cypress STK11C88 is a 256 Kb fast static 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. Data transfers under Software control from
SRAM to the nonvolatile elements (the STORE operation). On
power up, data is automatically restored to the SRAM (the
RECALL operation) from the nonvolatile memory. RECALL
operations are also available under software control.
Logic Block Diagram
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 001-50591 Rev. **
• San Jose, CA 95134-1709 • 408-943-2600
Revised January 29, 2009
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