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STK12C68-WF25I Datenblatt(PDF) 1 Page - Simtek Corporation |
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STK12C68-WF25I Datenblatt(HTML) 1 Page - Simtek Corporation |
1 / 20 page STK12C68 (SMD5962-94599) 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 #ML0008 Rev 0.7 FEATURES • 25, 35, 45, 55 ns Read Access & Write 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 • 28-pin 330-mil SOIC, 300-mil PDIP, and 600-mil PDIP Packages (RoHS-Compliant) • 28-Pin CDIP and LCC Military Packages DESCRIPTION The Simtek STK12C68 is a 64Kb 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. 8Kx8 AutoStore nvSRAM Block Diagram COLUMN DEC G E W COLUMN I/O SOFTWARE DETECT A0 – A12 QUANTUM TRAP 128 x 512 STATIC RAM ARRAY 128 X 512 STORE RECALL DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 STORE/ RECALL CONTROL A0 A1 A2 A3 A4 A10 A5 A6 A7 A8 A9 A11 A12 POWER CONTROL VCCX VCAP |
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