HY27UF082G2B datasheet(48/54 Pages) HYNIX

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HY27UF082G2B Datasheet(PDF) 48 Page - Hynix Semiconductor

Part #	HY27UF082G2B

Description	2Gb NAND FLASH

Download	54 Pages

Scroll/Zoom	100%

Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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48 / 54 page

Rev 0.2 / Jan. 2008

HY27UF(08/16)2G2B Series

2Gbit (256Mx8bit) NAND Flash

Bad Block Replacement

Over the lifetime of the device additional Bad Blocks may develop. In this case the block has to be replaced by copying

the data to a valid block. These additional Bad Blocks can be identified as attempts to program or erase them will give

errors in the Status Register.

Unlike the case of odd page which carries a possibility of affecting previous page, the failure of a page program oper-

ation does not affect the data in other pages in the same block, the block can be replaced by re-programming the cur-

rent data and copying the rest of the replaced block to an available valid block.

Refer to Table 23 and Figure 32 for the recommended procedure to follow if an error occurs during an operation.

Operation

Recommended Procedure

Erase

Block Replacement

Program

Block Replacement

Read

ECC (with 1bit/528byte)

Table 23: Block Failure

Figure 32: Bad Block Replacement

NOTE :

1. An error occurs on nth page of the Block A during program or erase operation.

2. Data in Block A is copied to same location in Block B which is valid block.

3. Nth data of block A which is in controller buffer memory is copied into nth page of Block B

4. Bad block table should be updated to prevent from eraseing or programming Block A

Manufacturer	Part #	Datasheet	Description
Hynix Semiconductor	HY27UF082G2A	348Kb / 45P	2Gbit (256Mx8bit/128Mx16bit) NAND Flash

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