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參數(shù)資料
| 型號： | M29F400BT90M1F |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory |
| 中文描述： | 4兆位（512KB的x8或256Kb的x16插槽，引導(dǎo)塊）單電源閃存 |
| 文件頁數(shù)： | 18/40頁 |
| 文件大小： | 215K |
| 代理商： | M29F400BT90M1F |
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Command interface
M29F400BT, M29F400BB
18/40
4.7
Chip Erase command
The Chip Erase command can be used to erase the entire chip. Six Bus Write operations
are required to issue the Chip Erase Command and start the Program/Erase Controller.
If any blocks are protected then these are ignored and all the other blocks are erased. If all
of the blocks are protected the Chip Erase operation appears to start but will terminate
within about 100μs, leaving the data unchanged. No error condition is given when protected
blocks are ignored.
During the erase operation the memory will ignore all commands. It is not possible to issue
any command to abort the operation. Typical chip erase times are given in
Table 8.
. All Bus
Read operations during the Chip Erase operation will output the Status Register on the Data
Inputs/Outputs. See the section on the Status Register for more details.
After the Chip Erase operation has completed the memory will return to the Read Mode,
unless an error has occurred. When an error occurs the memory will continue to output the
Status Register. A Read/Reset command must be issued to reset the error condition and
return to Read Mode.
The Chip Erase Command sets all of the bits in unprotected blocks of the memory to ’1’. All
previous data is lost.
4.8
Block Erase command
The Block Erase command can be used to erase a list of one or more blocks. Six Bus Write
operations are required to select the first block in the list. Each additional block in the list can
be selected by repeating the sixth Bus Write operation using the address of the additional
block. The Block Erase operation starts the Program/Erase Controller about 50μs after the
last Bus Write operation. Once the Program/Erase Controller starts it is not possible to
select any more blocks. Each additional block must therefore be selected within 50μs of the
last block. The 50μs timer restarts when an additional block is selected. The Status Register
can be read after the sixth Bus Write operation. See the Status Register for details on how
to identify if the Program/Erase Controller has started the Block Erase operation.
If any selected blocks are protected then these are ignored and all the other selected blocks
are erased. If all of the selected blocks are protected the Block Erase operation appears to
start but will terminate within about 100μs, leaving the data unchanged. No error condition is
given when protected blocks are ignored.
During the Block Erase operation the memory will ignore all commands except the Erase
Suspend and Read/Reset commands. Typical block erase times are given in
Table 8.
. All
Bus Read operations during the Block Erase operation will output the Status Register on the
Data Inputs/Outputs. See the section on the Status Register for more details.
After the Block Erase operation has completed the memory will return to the Read Mode,
unless an error has occurred. When an error occurs the memory will continue to output the
Status Register. A Read/Reset command must be issued to reset the error condition and
return to Read mode.
The Block Erase Command sets all of the bits in the unprotected selected blocks to ’1’. All
previous data in the selected blocks is lost.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M29F400BT90N1 | 功能描述:閃存 512Kx8 or 256Kx16 90 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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M29F400BT90N1T | 功能描述:閃存 512Kx8 or 256Kx16 90 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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M29F400BT90N6 | 功能描述:閃存 512Kx8 or 256Kx16 90 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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M29F400BT90N6T | 功能描述:閃存 512Kx8 or 256Kx16 90 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(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| M29F400FB55D11 | 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE 5V - Gel-pak, waffle pack, wafer, diced wafer on film |
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