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参数资料
| 型号： | AT45DB041D-SSU |
| 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, PDSO8 |
| 封装： | 0.150 INCH, GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 9/53页 |
| 文件大小： | 1085K |
| 代理商： | AT45DB041D-SSU |
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9
3595H–DFLASH–03/07
AT45DB041D
7.6
Sector Erase
The Sector Erase command can be used to individually erase any sector in the main memory.
There are 8 sectors and only one sector can be erased at one time. To perform sector 0a or sec-
tor 0b erase for the DataFlash standard page size (264 bytes), an opcode of 7CH must be
loaded into the device, followed by three address bytes comprised of 4 don’t care bits, 8 page
address bits (PA10 - PA3) and 12 don’t care bits. To perform a sector 1-7 erase, the opcode
7CH must be loaded into the device, followed by three address bytes comprised of 4 don’t care
bits, 3 page address bits (PA10 - PA8) and 17 don’t care bits. To perform sector 0a or sector 0b
erase for the binary page size (256 bytes), an opcode of 7CH must be loaded into the device,
followed by three address bytes comprised of 5 don’t care bit and 8 page address bits (A18 -
A11) and 11 don’t care bits. To perform a sector 1-15 erase, the opcode 7CH must be loaded
into the device, followed by three address bytes comprised of 5 don’t care bit and 3 page
address bits (A18 - A16) and 17 don’t care bits. The page address bits are used to specify any
valid address location within the sector which is to be erased. When a low-to-high transition
occurs on the CS pin, the part will erase the selected sector. The erase operation is internally
self-timed and should take place in a maximum time of t
SE
. During this time, the status register
will indicate that the part is busy.
Table 7-1.
Block Erase Addressing
PA10/
A18
PA9/
A17
PA8/
A16
PA7/
A15
PA6/
A14
PA5/
A13
PA4/
A12
PA3/
A11
PA2/
A10
PA1/
A9
PA0/
A8
Block
0
0
0
0
0
0
0
0
X
X
X
0
0
0
0
0
0
0
0
1
X
X
X
1
0
0
0
0
0
0
1
0
X
X
X
2
0
0
0
0
0
0
1
1
X
X
X
3
1
1
1
1
1
1
0
0
X
X
X
252
1
1
1
1
1
1
0
1
X
X
X
253
1
1
1
1
1
1
1
0
X
X
X
254
1
1
1
1
1
1
1
1
X
X
X
255
相关PDF资料 |
PDF描述 |
|---|---|
| AT45DB041D-SSU-2.5 | 4-megabit 2.5-volt or 2.7-volt DataFlash |
| AT45DB041D-SU | 4-megabit 2.5-volt or 2.7-volt DataFlash |
| AT45DB041D-SU-2.5 | 4-megabit 2.5-volt or 2.7-volt DataFlash |
| AT45DB080 | KJL SERIES I |
| AT45DB080-RC | 8-Megabit 2.7-volt Only Sequential Access Parallel I/O DataFlash |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT45DB041D-SSU SL300 | 制造商:Atmel Corporation 功能描述:Flash Serial-SPI 3V/3.3V 4Mbit 6ns 8-Pin SOIC T/R |
| AT45DB041D-SSU SL383 | 制造商:Adesto Technologies 功能描述:Flash Serial-SPI 3V/3.3V 4Mbit 6ns 8-Pin SOIC T/R |
| AT45DB041D-SSU SL954 | 制造商:Adesto Technologies Corporation 功能描述: |
| AT45DB041D-SSU SL955 | 制造商:Adesto Technologies Corporation 功能描述: |
| AT45DB041D-SSU-2.5 | 功能描述:闪存 4MB SERIAL 2.5V - IND TEMP 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 |
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