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參數(shù)資料
| 型號(hào)： | K9K2G08U0A |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | TV 8C 8#16 PIN WALL RECP |
| 中文描述： | 256M × 8位NAND閃存 |
| 文件頁數(shù)： | 10/34頁 |
| 文件大?。?/td> | 850K |
| 代理商： | K9K2G08U0A |
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FLASH MEMORY
10
K9K2G08U0A
Preliminary
NAND Flash Technical Notes
Identifying Initial Invalid Block(s)
All device locations are erased except locations where the initial invalid block(s) information is written prior to shipping. The initial
invalid block(s) status is defined by the 1st byte in the spare area. Samsung makes sure that either the 1st or 2nd page of every initial
invalid block has non-FFh data at the column address of 2048. Since the initial 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 initial
invalid block(s) based on the initial invalid block information and create the initial invalid block table via the following suggested flow
chart(Figure 3). Any intentional erasure of the initial invalid block information is prohibited.
Initial Invalid Block(s)
Initial invalid blocks are defined as blocks that contain one or more initial invalid bits whose reliability is not guaranteed by Samsung.
The information regarding the initial invalid block(s) is so called as the initial invalid block information. Devices with initial invalid
block(s) have the same quality level as devices with all valid blocks and have the same AC and DC characteristics. An initial invalid
block(s) does not affect the performance 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 initial invalid block(s) via address mapping. The 1st block, which is
placed on 00h block address, is fully guaranteed to be a valid block, does not require Error Correction up to 1K Program/Erase
cycles.
*
Check "FFh" at the column address
2048 of the 1st and 2nd page in the block
Figure 3. Flow chart to create initial invalid block table.
Start
Set Block Address = 0
Check "FFh
Increment Block Address
Last Block
End
No
Yes
Yes
Create (or update)
Initial Invalid Block(s) Table
No
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| K9K2G08U0M | 256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
| K9XXG08UXM-E | SSR H/S ZS 600V 50A 4-32VDC |
| K9XXG08UXM-K | 256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
| K9XXG08UXM-P | SSR H/S ZS 600V 70A 4-32VDC |
| K9XXG08UXM-Y | 256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| K9K2G08U0A-F | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FLASH MEMORY |
| K9K2G08U0M | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
| K9K2G08U0M-F | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
| K9K2G08U0M-FCB0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
| K9K2G08U0M-FIB0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:256M x 8 Bit / 128M x 16 Bit NAND Flash Memory |
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