FUTURE NON-VOLATILE MEMORY TECHNOLOGIES

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Outline • Current Memory Technologies • Future Memory Technologies • What is MRAM ? • Working of MRAM • Advantages & Disadvantages - MRAM • What is Ferroelectric RAM (FeRAM or FRAM) ? • FeRAM -Superior Features • Compare FeRAM with EEPROM & FLASH • FeRAM –Memory cell , Write , Read , Application 2
Current Memory Technologies ‣ DRAMs • Volatile • Require standby power ‣ Flash Memories • Limited write endurance • Low write speed ‣ SRAMs • Volatile • Large cell size Combined revenues of these 3 memory technologies were ~26B$ in 2002 3
Page 1: FUTURE NON-VOLATILE MEMORY TECHNOLO
Page 5 and 6: Magnetoresistive RAM (MRAM) 5
Page 7 and 8: Magnetoresistive Effect • Magneti
Page 9 and 10: Working of MRAM • MRAM uses Magne
Page 11 and 12: Write Operation • Current pulses
Page 13 and 14: Advantages of MRAM • Non-volatile
Page 15 and 16: Applications of MRAM • Current Ap
Page 17 and 18: Ferroelectric RAM (FeRAM or FRAM)
Page 19 and 20: Compare FeRAM with EEPROM & FLASH 1
Page 21 and 22: Electric Field on Ferroelectric Mat
Page 23 and 24: FeRAM - 1T-1C (one transistor, one
Page 25 and 26: WRITE “0” OPERATION Timing Diag
Page 27 and 28: Salient Features - ‣Low Write Acc
Page 29 and 30: References ‣ MRAM “The future

FUTURE NON-VOLATILE MEMORY TECHNOLOGIES

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