Page structure (layout) analysis

Page structure (layout) analysis The most convenient tool for page layout analysis and assignment is a Bitmap viewer in couple with Structure viewer. The analysis of page layout is based on pattern analysis and their borders recognition within the dump of memory chip. Data area 512 bytes – used in old chips where controllers didn’t…

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Binary patterns in NAND Flash memory

Binary patterns in NAND Flash memory The Physical image of NAND contains following recognizable patterns Data area patterns Scrambled (XORed) data area patterns Spare area patterns ECC patterns Bit error patterns Bad Columns patterns Other patterns Data area   The Data has quiet high density (entropy) and has horizontal patterns that look like stripes, cubes,…

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