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STK14D88-RF35I Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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STK14D88-RF35I Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 15 page April 2005 Document Control #ML0033 rev 1.2 1 STK14D88 32K x 8 AutoStore TM nvSRAM QuantumTrap TM CMOS Nonvolatile Static RAM FEATURES • 25ns, 35ns and 45ns Access Times • “Hands-off” Automatic STORE on Power Down with only a small capacitor • STORE to QuantumTrap™ Nonvolatile Elements is Initiated by Software , device pin or AutoStore™ on Power Down • RECALL to SRAM Initiated by Software or Power Restore • Unlimited READ, WRITE and RECALL Cycles • 5mA Typical I CC at 200ns Cycle Time • 1,000,000 STORE Cycles to QuantumTrap™ • 100-Year Data Retention to QuantumTrap™ • Single 3V +20%, -10% Operation • Commercial and Industrial Temperatures • SSOP and SOIC Packages • RoHS Compliance DESCRIPTION The Simtek STK14D88 is a fast static RAM with a nonvolatile element in each memory cell. The embedded nonvolatile elements incorporate Simtek’s 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 TM 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. BLOCK DIAGRAM COLUMN DEC G E W COLUMN I/O POWER CONTROL HSB STORE/ RECALL CONTROL SOFTWARE DETECT A13 – A0 A5 A6 A7 A8 A9 A11 A12 A13 A14 Quatum Trap 512 X 512 STATIC RAM ARRAY 512 X 512 STORE RECALL DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 A0 A1 A2 A3 A4 A10 VCC VCAP Figure 1. Block Diagram |
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