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STK15C88-SF45I 데이터시트(PDF) 1 Page - Cypress Semiconductor |
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STK15C88-SF45I 데이터시트(HTML) 1 Page - Cypress Semiconductor |
1 / 17 page STK15C88 256-Kbit (32 K × 8) PowerStore nvSRAM Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-50593 Rev. *C Revised April 10, 2011 256-Kbit (32 K × 8) PowerStore nvSRAM Features ■ 25 ns and 45 ns Access Times ■ Pin compatible with Industry Standard SRAMs ■ Automatic Nonvolatile STORE on power loss ■ Nonvolatile STORE under Software Control ■ Automatic RECALL to SRAM on Power Up ■ Unlimited Read/Write Endurance ■ Unlimited RECALL Cycles ■ 1,000,000 STORE Cycles ■ 100 year Data Retention ■ Single 5 V + 10% Power Supply ■ Commercial and Industrial Temperatures ■ 28-pin (300 mil and 330 mil) SOIC packages ■ RoHS Compliance Functional Description The Cypress STK15C88 is a 256Kb 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 from the SRAM to the nonvolatile elements (the STORE operation) takes place automatically at power down. On power up, data is restored to the SRAM (the RECALL operation) from the nonvolatile memory. Both the STORE and RECALL operations are also available under software control. PowerStore nvSRAM products depend on the intrinsic system capacitance to maintain system power long enough for an automatic store on power loss. If the power ramp from 5 volts to 3.6 volts is faster than 10 ms, consider our 14C88 or 16C88 for more reliable operation. Logic Block Diagram [+] Feedback |
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