參數(shù)資料
型號(hào)： K9F1608W0A-TIB0
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： TV 37C 37#16 PIN RECP
中文描述： 200萬(wàn)× 8位NAND閃存
文件頁(yè)數(shù)： 9/25頁(yè)
文件大?。?/td> 443K
代理商： K9F1608W0A-TIB0
K9F1608W0A-TCB0, K9F1608W0A-TIB0
FLASH MEMORY
9
Identifying Invalid Block(s)
All device locations are erased(FFh) except locations where the invalid block information is written prior to shipping.
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 1). Any intentional era-
sure 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. Typically,
an invalid block will contain a single bad bit. The information regarding the invalid block(s) is called as the invalid block information.
The invalid block information is written to the 1st or the 2nd page of the invalid block(s) with 00h data.
Devices with invalid block(s)
have the same quality level or as devices with all valid blocks and have the same AC and DC characteristics. An 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 tran-
sistor. The system design must be able to mask out the invalid block(s) via address mapping. The 1st block of the NAND Flash, how-
ever, is fully guaranteed to be a valid block.
NAND Flash Technical Notes
*
Check "FFH" on the 1st and 2nd page
Figure 1. Flow chart to create invalid block table.
Start
Set Block Address = 0
Check "FFH"
Increment Block Address
Last Block
End
No
Yes
Yes
Create (or update)
Invalid Block(s) Table
No
相關(guān)PDF資料
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K9F1G08Q0A FLASH MEMORY
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
K9F1G08B0C-PCB0T00 制造商:Samsung Semiconductor 功能描述:1GB SLC NORMAL X8 FBGA - Trays
K9F1G08D0M 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128M x 8 Bit / 64M x 16 Bit NAND Flash Memory
K9F1G08Q0A 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:FLASH MEMORY
K9F1G08Q0M 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:128M x 8 Bit / 64M x 16 Bit NAND Flash Memory
K9F1G08Q0M-PCB0 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:1Gb Gb 1.8V NAND Flash Errata
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