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參數(shù)資料
| 型號： | AT45DB011D-SU |
| 廠商： | ATMEL CORP |
| 元件分類： | DRAM |
| 英文描述： | 1-megabit 2.7-volt DataFlash |
| 中文描述： | 1M X 1 FLASH 2.7V PROM, PDSO8 |
| 封裝： | 0.209 INCH, GREEN, PLASTIC, EIAJ, SOIC-8 |
| 文件頁數(shù)： | 10/52頁 |
| 文件大?。?/td> | 1107K |
| 代理商： | AT45DB011D-SU |
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10
3639B–DFLASH–02/07
AT45DB011D [Preliminary]
7.7
Chip Erase
The entire main memory can be erased at one time by using the Chip Erase command.
To execute the Chip Erase command, a 4-byte command sequence C7H, 94H, 80H and 9AH
must be clocked into the device. Since the entire memory array is to be erased, no address
bytes need to be clocked into the device, and any data clocked in after the opcode will be
ignored. After the last bit of the opcode sequence has been clocked in, the CS pin can be deas-
serted to start the erase process. The erase operation is internally self-timed and should take
place in a time of t
CE
. During this time, the Status Register will indicate that the device is busy.
The Chip Erase command will not affect sectors that are protected or locked down; the contents
of those sectors will remain unchanged. Only those sectors that are not protected or locked
down will be erased.
The WP pin can be asserted while the device is erasing, but protection will not be activated until
the internal erase cycle completes.
Figure 7-1.
Chip Erase
Table 7-2.
Sector Erase Addressing
PA8/
A16
PA7/
A15
PA6/
A14
PA5/
A13
PA4/
A12
PA3/
A11
PA2/
A10
PA1/
A9
PA0/
A8
Sector
0
0
0
0
0
0
X
X
X
0a
0
0
0
0
0
1
X
X
X
0b
0
1
0
0
0
0
0
0
0
1
1
0
X
X
X
X
X
X
X
2
1
1
X
X
X
X
X
X
X
3
Command
Byte 1
Byte 2
Byte 3
Byte 4
Chip Erase
C7H
94H
80H
9AH
Opcode
Byte 1
Opcode
Byte 2
Opcode
Byte 3
Opcode
Byte 4
CS
Each transition
represents 8 bits
SI
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AT45DB011 | 1-megabit 2.7-volt Only Serial DataFlash(1M位 2.7V串行數(shù)據(jù)閃速存儲器) |
| AT45DB021B-CU | 2-megabit 2.7-volt Only DataFlash |
| AT45DB021B-RU | 2-megabit 2.7-volt Only DataFlash |
| AT45DB021B-SU | 2-megabit 2.7-volt Only DataFlash |
| AT45DB021B-TU | 2-megabit 2.7-volt Only DataFlash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT45DB011-JC | 制造商:Atmel Corporation 功能描述:1M X 1 FLASH 2.7V PROM, PQCC32 |
| AT45DB011-JI | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1-Megabit 2.7-volt Only Serial DataFlash |
| AT45DB011-SC | 功能描述:閃存 1M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45DB011-SI | 功能描述:閃存 1M bit RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| AT45DB011-XC | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:1-megabit 2.7-volt Only Serial DataFlash |
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