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参数资料
| 型号： | NAND02GR4B2BZB1 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | PROM |
| 英文描述： | 128M X 16 FLASH 1.8V PROM, 35 ns, PBGA63 |
| 封装： | 9.50 X 12 MM, 1.20 MM HEIGHT, 0.80 MM PITCH, TFBGA-63 |
| 文件页数： | 17/57页 |
| 文件大小： | 887K |
| 代理商： | NAND02GR4B2BZB1 |
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NAND01G-B, NAND02G-B, NAND04G-B, NAND08G-B
24/57
Copy Back Program
The Copy Back Program operation is used to copy
the data stored in one page and reprogram it in an-
other page.
The Copy Back Program operation does not re-
quire external memory and so the operation is
faster and more efficient because the reading and
loading cycles are not required. The operation is
particularly useful when a portion of a block is up-
dated and the rest of the block needs to be copied
to the newly assigned block.
If the Copy Back Program operation fails an error
is signalled in the Status Register. However as the
standard external ECC cannot be used with the
Copy Back Program operation bit error due to
charge loss cannot be detected. For this reason it
is recommended to limit the number of Copy Back
Program operations on the same data and or to
improve the performance of the ECC.
The Copy Back Program operation requires four
steps:
1.
The first step reads the source page. The
operation copies all 1056 Words/ 2112 Bytes
from the page into the Data Buffer. It requires:
–
one bus write cycle to setup the command
–
4 bus write cycles to input the source page
address
–
one bus write cycle to issue the confirm
command code
2.
When the device returns to the ready state
(Ready/Busy High), the next bus write cycle of
the command is given with the 4 bus cycles to
input the target page address. Refer to Table
11. for the addresses that must be the same
for the Source and Target pages.
3.
Then the confirm command is issued to start
the P/E/R Controller.
To see the Data Input cycle for modifying the
source page and an example of the Copy Back
Program operation refer to Figure 13. .
A data input cycle to modify a portion or a multiple
distant portion of the source page, is shown in Fig-
Table 11. Copy Back Program x8 Addresses
Note: 1. DD = Dual Die
Table 12. Copy Back Program x16 Addresses
Note: 1. DD = Dual Die
Density
Same Address for Source and
Target Pages
1 Gbit
no constraint
2 Gbit
no constraint
2 Gbit DD(1)
A28
4 Gbit
no constraint
Density
Same Address for Source and
Target Pages
1 Gbit
no constraint
2 Gbit
A28
2 Gbit DD(1)
A27
4 Gbit
no constrain
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相关代理商/技术参数 |
参数描述 |
|---|---|
| NAND02GR4B2CDI6 | 功能描述:闪存 NAND & S.MEDIA FLASH RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel |
| NAND02GR4B2CZA6E | 制造商:Micron Technology Inc 功能描述:NAND - Trays |
| NAND02GR4B2DDD6 | 制造商:Micron Technology Inc 功能描述:NAND - Gel-pak, waffle pack, wafer, diced wafer on film |
| NAND02GR4B2DE06 | 制造商:Micron Technology Inc 功能描述:NAND - Gel-pak, waffle pack, wafer, diced wafer on film |
| NAND02GR4B2DWFD | 制造商:Micron Technology Inc 功能描述:NAND - Gel-pak, waffle pack, wafer, diced wafer on film |
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