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參數(shù)資料
| 型號： | K9F1G08Q0M-YCB0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 1Gb Gb 1.8V NAND Flash Errata |
| 中文描述： | 1Gb的NAND閃存千兆1.8V的勘誤表 |
| 文件頁數(shù)： | 14/38頁 |
| 文件大?。?/td> | 713K |
| 代理商： | K9F1G08Q0M-YCB0 |
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FLASH MEMORY
13
SAMSUNG
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0
NAND Flash Technical Notes
Identifying Invalid Block(s)
All device locations are erased(FFh for X8, FFFFh for X16) except locations where the invalid block(s) information is written prior to
shipping. The invalid block(s) status is defined by the 1st byte(X8 device) or 1st word(X16 device) in the spare area. Samsung
makes sure that either the 1st or 2nd page of every invalid block has non-FFh(X8) or non-FFFFh(X16) data at the column address of
2048(X8 device) or 1024(X16 device). Since the invalid block information is also erasable in most cases, it is impossible to recover
the information once it has been erased. Therefore, the system must be able to recognize the invalid block(s) based on the original
invalid block information and create the invalid block table via the following suggested flow chart(Figure 3). Any intentional erasure of
the original invalid block information is prohibited.
Invalid Block(s)
Invalid blocks are defined as blocks that contain one or more invalid bits whose reliability is not guaranteed by Samsung. The infor-
mation regarding the invalid block(s) is so called as the invalid block information. Devices with invalid block(s) have the same quality
level as devices with all valid blocks and have the same AC and DC characteristics. An invalid block(s) does not affect the perfor-
mance of valid block(s) because it is isolated from the bit line and the common source line by a select transistor. The system design
must be able to mask out the invalid block(s) via address mapping. The 1st block, which is placed on 00h block address, is fully guar-
anteed to be a valid block, does not require Error Correction.
*
Check "FFh( or FFFFh)" at the column address
2048(X8 device) or 1024(X16 device)
Figure 3. Flow chart to create invalid block table.
Start
Set Block Address = 0
Check "FFh
or FFFFh"
Increment Block Address
Last Block
End
No
Yes
Yes
Create (or update)
Invalid Block(s) Table
No
of the 1st and 2nd page in the block
相關PDF資料 |
PDF描述 |
|---|---|
| K9F2808Q0B-DCB0 | 16M x 8 Bit NAND Flash Memory |
| K9F2808Q0B-DIB0 | 16M x 8 Bit NAND Flash Memory |
| K9F2808U0B-DCB0 | 16M x 8 Bit NAND Flash Memory |
| K9F2808U0B-DIB0 | 16M x 8 Bit NAND Flash Memory |
| K9F2808U0M-YIB0 | 16M x 8 Bit NAND Flash Memory |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| K9F1G08Q0M-YIB0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb Gb 1.8V NAND Flash Errata |
| K9F1G08R0A | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128M x 8 Bit / 256M x 8 Bit NAND Flash Memory |
| K9F1G08R0B-JIB0000 | 制造商:Samsung SDI 功能描述:PN may be NE SE |
| K9F1G08U0A | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128M x 8 Bit / 256M x 8 Bit NAND Flash Memory |
| K9F1G08U0B-PCB0000 | 制造商:Samsung SDI 功能描述: 制造商:Samsung Semiconductor 功能描述:1GB SLC NORMAL X8 TSOP1 - Trays |
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