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STK14EC8-BF15I Datasheet(PDF) 1 Page - Simtek Corporation |
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STK14EC8-BF15I Datasheet(HTML) 1 Page - Simtek Corporation |
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1 / 19 page  STK14EC8 1 Jan, 2008 Document Control #ML0060 Rev 1.1 This is a product in development that has fixed tar- get specifications that are subject to change pend- ing characterization results. Simtek Confidential & Proprietary Preliminary FEATURES • 15, 25, 45 ns Read Access and R/W Cycle Time • Unlimited Read/Write Endurance • Automatic Non-volatile STORE on Power Loss • Non-Volatile STORE Under Hardware or Software Control • Automatic RECALL to SRAM on Power Up • Unlimited RECALL Cycles • 200K STORE Endurance • 20-Year Non-volatile Data Retention • Single 3.0V +20%, -10% Operation • Commercial, Industrial Temperatures • 44-pin 400-mil TSOPII (RoHS-Compliant) • 48-ball Fine Pitch Ball Grid Array (FBGA) DESCRIPTION The Simtek STK14EC8 is a 4MB fast static RAM with a non-volatile Quantum Trap storage element included with each memory cell. The SRAM provides the fast access & cycle times, ease of use and unlimited read & write endurance of a normal SRAM. Data transfers automatically to the non-volatile stor- age cells when power loss is detected (the STORE operation). On power up, data is automatically restored to the SRAM (the RECALL operation). Both STORE and RECALL operations are also available under software control. The Simtek nvSRAM is the highest performance, most reliable non-volatile memory available. BLOCK DIAGRAM COLUMN DEC G E W COLUMN I/O POWER CONTROL HSB STORE/ RECALL CONTROL SOFTWARE DETECT A18 – A0 A0 A1 A2 A3 A4 A5 A6 A7 A8 A17 A18 Quantum Trap 2048 X 2048 STATIC RAM ARRAY 2048 X 2048 STORE RECALL DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 A9 A10 A11 A12 A13 A14 A15 A16 VCC VCAP 512Kx8 Autostore nvSRAM |
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