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STK11C48-NF45I Arkusz danych(PDF) 1 Page - Simtek Corporation |
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STK11C48-NF45I Arkusz danych(HTML) 1 Page - Simtek Corporation |
1 / 10 page March 2006 1 Document Control # ML0003 rev 0.2 STK11C48 2K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM Obsolete - Not Recommend for new Designs FEATURES • 25ns, 35ns and 45ns Access Times • STORE to Nonvolatile Elements Initiated by Software • RECALL to SRAM Initiated by Software or Power Restore • 10mA Typical I CC at 200ns Cycle Time • Unlimited READ, WRITE and RECALL Cycles • 1,000,000 STORE Cycles to Nonvolatile Ele- ments • 100-Year Data Retention in Nonvolatile Ele- ments • Commercial and Industrial Temperatures • 28-Pin 300 mil PDIP, 300 mil SOIC and 350 mil SOIC Packages DESCRIPTION The Simtek STK11C48 is a fast static RAM with a nonvolatile element incorporated in each static memory cell. The SRAM can be read and written an unlimited number of times, while independent, non- volatile data resides in the Nonvolatile Elements. Data transfers from the SRAM to the Nonvolatile Ele- ments (the STORE operation), or from Nonvolatile Elements to SRAM (the RECALL operation), take place using a software sequence. Transfers from the Nonvolatile Elements to the SRAM (the RECALL operation) also take place automatically on restora- tion of power. BLOCK DIAGRAM COLUMN I/O COLUMN DEC STATIC RAM ARRAY 32 x 512 Quantum Trap 32 x 512 STORE/ RECALL CONTROL STORE RECALL A5 A6 A9 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 SOFTWARE DETECT A0 - A10 G E W A8 A7 A10 A3 A2 A0 A1 A4 PIN CONFIGURATIONS NC NC A7 A6 A5 A4 A3 A2 A1 A0 DQ0 DQ1 DQ2 VSS VCC NC A8 A9 NC G W 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 A10 E DQ7 DQ6 DQ5 DQ4 DQ3 28 - 300 PDIP 28 - 300 SOIC 28 - 350 SOIC PIN NAMES A0 - A10 Address Inputs W Write Enable DQ0 - DQ7 Data In/Out E Chip Enable G Output Enable VCC Power (+ 5V) VSS Ground |
Podobny numer części - STK11C48-NF45I |
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Podobny opis - STK11C48-NF45I |
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