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STK10C48-N45I Fiches technique(PDF) 1 Page - List of Unclassifed Manufacturers |
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STK10C48-N45I Fiches technique(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 9 page July 1999 3-1 STK10C48 2K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM FEATURES • 20ns, 25ns, 35ns and 45ns Access Times • STORE to EEPROM Initiated by Hardware • RECALL to SRAM Initiated by Hardware or Power Restore • Automatic STORE Timing • 10mA Typical I CC at 200ns Cycle Time • Unlimited READ, WRITE and RECALL Cycles • 1,000,000 STORE Cycles to EEPROM • 100-Year Data Retention over Full Industrial Temperature Range • Commercial and Industrial Temperatures • 28-Pin 300 mil PDIP, 300 mil SOIC and 350 mil SOIC Packages DESCRIPTION The Simtek STK10C48 is a fast static RAM with a non- volatile electrically erasable PROM (EEPROM) element incorporated in each static memory cell. The SRAM can be read and written an unlimited number of times, while independent nonvolatile data resides in EEPROM . Data may easily be transferred from the SRAM to the EEPROM (the STORE operation), or from the EEPROM to the SRAM (the RECALL operation), using the NE pin. Transfers from the EEPROM to the SRAM (the RECALL operation) also take place auto- matically on restoration of power. The STK10C48 combines the high performance and ease of use of a fast SRAM with nonvolatile data integrity. The STK10C48 features industry-standard pinout for nonvolatile RAMs. BLOCK DIAGRAM COLUMN I/O COLUMN DEC STATIC RAM ARRAY 32 x 512 EEPROM ARRAY 32 x 512 STORE/ RECALL CONTROL STORE RECALL A7 A8 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 G E W A6 A5 A3 A2 A0 A1 A10 A9 NE A4 PIN NAMES A0 - A10 Address Inputs W Write Enable DQ0 - DQ7 Data In/Out E Chip Enable G Output Enable NE Nonvolatile Enable VCC Power (+ 5V) VSS Ground PIN CONFIGURATIONS NE 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 |
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