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STK14C88 Datasheet(PDF) 1 Page - Simtek Corporation |
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STK14C88 Datasheet(HTML) 1 Page - Simtek Corporation |
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1 / 19 page  STK14C88 1 This product conforms to specifications per the terms of Simtek standard warranty. The product has completed Simtek internal qualification testing and has reached production status. February 2007 Document Control #ML0014 Rev 0.3 FEATURES • 25, 35, 45 ns Read Access & 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 • 1 Million STORE Cycles • 100-Year Non-volatile Data Retention • Single 5V ± 10% Power Supply • Commercial, Industrial, Military Temperatures • 32-Pin 300 mil SOIC (RoHS-Compliant) • 32-pin CDIP and LCC Packages DESCRIPTION The Simtek STK14C88 is a 256Kb 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 first monolithic non-vola- tile memory to offer unlimited writes and reads. It is the highest performance, most reliable non-volatile memory available. BLOCK DIAGRAM A0 A1 A2 A3 A4 A10 COLUMN I/O COLUMN DEC STATIC RAM ARRAY 512 x 512 Quantum Trap 512 x 512 STORE/ RECALL CONTROL STORE RECALL POWER CONTROL A5 A6 A7 A8 A9 A11 A12 A13 A14 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 SOFTWARE DETECT G E W HSB VCCX VCAP A0 - A13 32Kx8 AutoStore nvSRAM |
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