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STK14C88-3 데이터시트(PDF) 1 Page - Cypress Semiconductor |
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STK14C88-3 데이터시트(HTML) 1 Page - Cypress Semiconductor |
1 / 18 page STK14C88-3 256 Kbit (32K x 8) AutoStore nvSRAM Cypress Semiconductor Corporation • 198 Champion Court • San Jose , CA 95134-1709 • 408-943-2600 Document Number: 001-50592 Rev. *D Revised February 11, 2011 Features ■ 35 ns and 45 ns Access Times ■ Automatic Nonvolatile STORE on power loss ■ Nonvolatile STORE under Hardware or 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 3.3V+0.3V Power Supply ■ Commercial and Industrial Temperatures ■ 32-pin (300mil) SOIC and 32-pin (600 mil) PDIP packages ■ RoHS compliance Functional Description The Cypress STK14C88-3 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 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. STORE/ RECALL CONTROL POWER CONTROL SOFTWARE DETECT STATIC RAM ARRAY 512 X 512 Quantum Trap 512 X 512 STORE RECALL COLUMN I/O COLUMN DEC OE CE WE HSB VCC VCAP A13 - A0 A0 A1 A2 A3 A4 A10 A5 A6 A7 A8 A9 A11 A12 A13 A14 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 Logic Block Diagram [+] Feedback [+] Feedback |
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