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STK17TA8-R45I Folha de dados(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 22 page February 2004 1 Document Control # ML0023 rev 0.3 STK17TA8 nvTime™ Event Data Recorder 128K x 8 AutoStore™nvSRAM with Real-Time Clock Product Preview FEATURES • Data Integrity of Simtek nvSRAM Combined with Full-Featured Real-Time Clock • 25ns, 35ns and 45ns Access Times • Software or AutoStore™STORE to Quan- tumTrap™ Nonvolatile Elements • RECALL to SRAM Initiated by Software or Power Restore • Unlimited READ, WRITE and RECALL Cycles • 100-Year Data Retention • Watchdog Timer • Clock Alarm with programmable Interrupts • Capacitor or battery backup for RTC • Single 3V +20%, -10% Operation • Commercial and Industrial Temperatures • Packages: 48 pin SSOP, 40 pin DIP DESCRIPTION The Simtek STK17TA8 combines a 1 Mbit nonvola- tile static RAM with a full-featured real-time clock in a reliable, monolithic integrated circuit. The embed- ded nonvolatile elements incorporate Simtek’s QuantumTrap™ technology producing the world’s most reliable nonvolatile memory. The SRAM can be read and written an unlimited number of times, while independent, nonvolatile data resides in the nonvol- atile elements. The Real-Time Clock function provides an accurate clock with leap year tracking and a programmable, high accuracy oscillator. The Alarm function is pro- grammable for one-time alarms or periodic seconds, minutes, hours, or days. There is also a programma- ble Watchdog Timer for process control. BLOCK DIAGRAM Quantum Trap 1024 x 1024 STORE RECALL COLUMN I/O COLUMN DEC STATIC RAM ARRAY 1024 x 1024 STORE/ RECALL CONTROL POWER CONTROL DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 SOFTWARE DETECT A0 - A16 G E W RTC MUX A0 - A16 A5 A6 A7 A8 A9 A12 A13 A14 A15 A16 A0 A1 A2 A3 A4 A10 A11 VCCX VCAP HSB INT X2 X1 Vrtcbat Vrtccap |
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Descrição semelhante - STK17TA8-R45I |
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