Question: Figure 6.6 shows that FLASH memory read and write access times increase as FLASH memory gets larger. Is this unexpected? What factors cause this? Explore
Figure 6.6 shows that FLASH memory read and write access times increase as FLASH memory gets larger. Is this unexpected? What factors cause this?
Explore the nature of FLASH memory by answering the questions related to performance for FLASH memories with the following characteristics.
Characteristics Formatted data capacity (GB) Bytes per sector Data transfer rate (read/write MB/sec) Power operating/standby (W) Size: height x width x depth (inches) Weight in grams (454 grams/pound) Mean time between failures (hours) GB/cu. in., GB/watt Best price (2008) Kingston SecureDigital (SD) SD4/8 GB 8 512 4 0.66/0.15 0.94 x 1.26 x 0.08 2.5 > 1,000,000 84 GB/cu.in., 12 GB/W - $30 N Transend Type I CompactFlash TS16GCF133 RIDATA Solid State Disk 2.5 inch SATA 16 32 512 512 20/18 68/50 0.66/0.15 2.1/- 1.43 1.68 0.13 0.35 2.75 x 4.00 11.4 52 > 1,000,000 > 4,000,000 51 GB/cu.in., 24 GB/W ~ $70 N 8 GB/cu.in., 16 GB/W ~ $300
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