參數(shù)資料
型號: NAND04GW3C2AN6F
廠商: NUMONYX
元件分類: PROM
英文描述: 512M X 8 FLASH 3V PROM, 45 ns, PDSO48
封裝: 12 X 20 MM, LEAD FREE, PLASTIC, TSOP-48
文件頁數(shù): 3/51頁
文件大?。?/td> 500K
代理商: NAND04GW3C2AN6F
NAND04GA3C2A, NAND04GW3C2A
2 Memory array organization
2
Memory array organization
The memory array is made up of NAND structures where 32 cells are connected in series.
The memory array is organized in blocks where each block contains 128 pages. The array is
split into two areas, the main area and the spare area. The main area of the array is used to
store data whereas the spare area is typically used to store software flags or Bad Block
identification.
The pages are split into a 2048 Byte main area and a spare area of 64 Bytes.Refer to
2.1
Bad blocks
The NAND04GA3C2A and NAND04GW3C2A devices may contain Bad Blocks, that is
blocks that contain one or more invalid bits whose reliability is not guaranteed. Additional
Bad Blocks may develop during the lifetime of the device.
The Bad Block Information is written prior to shipping (refer to Section 9.1: Bad block
management for more details).
Table 4: Valid Blocks shows the minimum number of valid blocks in each device. The values
shown include both the Bad Blocks that are present when the device is shipped and the Bad
Blocks that could develop later on.
These blocks need to be managed using Bad Blocks Management and Block Replacement
Table 4.
Valid Blocks
Density of Device
Min
Max
4 Gbits
2008
2048
相關(guān)PDF資料
PDF描述
NAND512R3A2CN6E 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
NAND512R3A2CN6F 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
NAND512R3A2C 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
NAND512R4A2CN6F 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
NAND512R4A2CZA6E 512 Mbit, 528 Byte/264 Word Page, 1.8V/3V, NAND Flash Memories
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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