不揮発性メモリの信頼性評価事例 - oeg.co.jp

1 Copyright 2014 Oki Engineering Co., Ltd. 2014 7 8 2014 OEG Copyright 2014 Oki Engineering Co., Ltd. 2 OEG AEC-Q100 eMMC . Copyright 2014 Oki Engineering Co., Ltd. 3 etc (1) PC HDD SSD(Flash NAND Flash/NOR Flash/FeRAM/MRAM/EEPROM/etc No9 (2011) AEC-Q100 1 1 AEC-Q100 IC NAND Flash USB Universal Serial Bus MLC Multi Level Cell IOPS Input/Output per Second SSD Solid State Drive Copyright 2014 Oki Engineering Co.)

2 , Ltd. 4 (2) IOPS 2 etc) (3) (4)OEG eMMC, NOR Flash, FeRAM, EEPROM SSD 2 IOPS Input/Output Per Second 1 Copyright 2014 Oki Engineering Co., Ltd. 5 OEG AEC-Q100 eMMC . Copyright 2014 Oki Engineering Co., Ltd. 6 OEG AC/DC ( etc) AEC-Q100 2 eMMC Copyright 2014 Oki Engineering Co.

3 , Ltd. 7 OEG AEC-Q100 eMMC . Copyright 2014 Oki Engineering Co., Ltd. 8 write/read C write/read C read/write 1 AEC-Q100 / / 231 30 Copyright 2014 Oki Engineering Co.

4 , Ltd. 9 eMMC embedded MultiMediaCard NAND SSD EDN Japan. Web site eMMC Write/Read 020406080100120140eMMC [ ] Micron. Web site Copyright 2014 Oki Engineering Co., Ltd. 10 eMMC 1 eMMC eMMC IF DQ x8 CLK =26 MHz eMMC eMMC eMMC (1)eMMC / (2) (3) (4)PC PC eMMC PC eMMC eMMC PC eMMC 4 Gbyte (1) (4) (1) / (2) (3) IOPS (4) eMMC eMMC IF Copyright 2014 Oki Engineering Co.

5 , Ltd. 11 (1) / 512byte x 64 32 Kbyte 1000 C C eMMC [ ]4000600080001000020000 Copyright 2014 Oki Engineering Co., Ltd. 12 (2) eMMC 1000 125 C eMMC Copyright 2014 Oki Engineering Co.

6 , Ltd. 13 eMMC (2) ( ) D ( ) 125 C Copyright 2014 Oki Engineering Co., Ltd. 14 (3) IOPS IOPS Input/Output Per Second 1 4 Gbyte 1 Gbyte * 4 Kbyte (*)1 Gbyte 4 Kbyte 10,000 10,000/ IOPS IOPS IOPS eMMC 4 GByte 1 Gbyte Copyright 2014 Oki Engineering Co.

7 , Ltd. 15 (3) IOPS IOPS 200 eMMC IOPS 200 15000rpm SAS HDD SLC SAS SSD HDD Random Writes : 360 IOPS SSD Random Writes : 14,500 IOPS HP web site Copyright 2014 Oki Engineering Co., Ltd. 16 (3) IOPS IOPS 2000 IOPS 200 B IOPS 1000 eMMC IOPS 2000 Copyright 2014 Oki Engineering Co., Ltd. 17 ( ) 4 Gbyte 1000 eMMC IOPS Copyright 2014 Oki Engineering Co.

8 , Ltd. 18 eMMC A 1000 5 1110 480 IOPS B 8000 130 590 60 IOPS 8MB/s C 7000 450 160 40 IOPS D 7000 70 190 150 IOPS E 5000 20 80 50 IOPS eMMC ! Copyright 2014 Oki Engineering Co., Ltd. 19 OEG AEC-Q100 eMMC . Copyright 2014 Oki Engineering Co., Ltd. 20 SSD, ,LED etc) OEG Copyright 2014 Oki Engineering Co.

9 , Ltd. 21 TEL 03-5920-2366 URL Copyright 2014 Oki Engineering Co., Ltd. 22 JEDEC SSD JESD 218 Solid-State Drive(SSD) Requirements and Endurance Test Method JESD 219 JESD 219 Solid-State Drive(SSD)Endurance Workloads --- (1) (4%),1K(1%), (1%),.., (1%),4K(67%),8K(10%),32K(3%),64K(3%) (2)LBA 5% 50% 15% 30% 80% 20% (3) Copyright 2014 Oki Engineering Co., Ltd. 23 No. 1 No. 2 No. 3 No.

10 30 No. 1 No. 2 No. 3 No. 30 (1) ->(2)-> ->(30) (1) No1 W/R/C (No1 (2) No2 W/R/C (No2 (30) . No30 W/R/C (No30 30 No1 30 W/R/C 2 30 2)))