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参数资料
| 型号： | AT45DB041B-TU |
| 厂商： | ATMEL CORP |
| 元件分类： | DRAM |
| 英文描述： | 4-megabit 2.5-volt or 2.7-volt DataFlash |
| 中文描述： | 4M X 1 FLASH 2.7V PROM, PDSO28 |
| 封装： | 8 X 13.40 MM, GREEN, PLASTIC, MO-183, TSOP1-28 |
| 文件页数： | 3/35页 |
| 文件大小： | 321K |
| 代理商： | AT45DB041B-TU |
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3
3443C–DFLSH–5/05
AT45DB041B
3.
Block Diagram
4.
Memory Array
To provide optimal flexibility, the memory array of the AT45DB041B is divided into three levels of
granularity comprising of sectors, blocks, and pages. The Memory Architecture Diagram illus-
trates the breakdown of each level and details the number of pages per sector and block. All
program operations to the DataFlash occur on a page-by-page basis; however, the optional
erase operations can be performed at the block or page level.
Figure 4-1.
Memory Architecture Diagram
FLASH MEMORY ARRAY
PAGE (264 BYTES)
BUFFER 2 (264 BYTES)
BUFFER 1 (264 BYTES)
I/O INTERFACE
SCK
CS
RESET
VCC
GND
RDY/BUSY
WP
SO
SI
SECTOR 0 = 8 Pages
2112 bytes (2K + 64)
SECTOR 1 = 248 Pages
65,472 bytes (62K + 1984)
Block = 2112 bytes
(2K + 64)
8 Pages
SECTOR 0
S
Page = 264 bytes
(256 + 8)
PAGE 0
PAGE 1
PAGE 6
PAGE 7
PAGE 8
PAGE 9
PAGE 2046
PAGE 2047
B
PAGE 14
PAGE 15
PAGE 16
PAGE 17
PAGE 18
PAGE 2045
B
SECTOR ARCHITECTURE
BLOCK ARCHITECTURE
PAGE ARCHITECTURE
BLOCK 0
BLOCK 1
BLOCK 30
BLOCK 31
BLOCK 32
BLOCK 33
BLOCK 254
BLOCK 255
BLOCK 62
BLOCK 63
BLOCK 64
BLOCK 65
S
SECTOR 5 = 512 Pages
135,168 bytes (128K + 4K)
BLOCK 2
SECTOR 2 = 256 Pages
67,584 bytes (64K + 2K)
SECTOR 3 = 512 Pages
135,168 bytes (128K + 4K)
SECTOR 4 = 512 Pages
135,168 bytes (128K + 4K)
相关PDF资料 |
PDF描述 |
|---|---|
| AT45DB041B-SC | 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash |
| AT45DB041B-SC-2.5 | 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash |
| AT45DB041B-SI | 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash |
| AT45DB041B-TC | 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash |
| AT45DB041B-TC-2.5 | 4-megabit 2.5-volt Only or 2.7-volt Only DataFlash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB041-CC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB041-CI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB041D | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-megabit 2.5-volt or 2.7-volt DataFlash |
| AT45DB041D_07 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-megabit 2.5-volt or 2.7-volt DataFlash |
| AT45DB041D_08 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-megabit 2.5-volt or 2.7-volt DataFlash |
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