參數(shù)資料
型號(hào)： M29W800FB9N3F
廠商： NUMONYX
元件分類： PROM
英文描述： 512K X 16 FLASH 3V PROM, 90 ns, PDSO48
封裝： 12 X 20 MM, ROHS COMPLIANT, PLASTIC, TSOP-48
文件頁(yè)數(shù)： 9/49頁(yè)
文件大?。?/td> 936K
代理商： M29W800FB9N3F
M29W800FT, M29W800FB
Command interface
4.3
Program command
The Program command can be used to program a value to one address in the memory array
at a time. The command requires four bus write operations, the final write operation latches
the address and data in the internal state machine and starts the program/erase controller.
If the address falls in a protected block then the Program command is ignored, the data
remains unchanged. The status register is never read and no error condition is given.
During the program operation the memory will ignore all commands. It is not possible to
issue any command to abort or pause the operation. Typical program times are given in
program operation will output the status register on the data inputs/outputs. See the
After the program 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.
Note that the Program command cannot change a bit set at ’0’ back to ’1’. One of the Erase
commands must be used to set all the bits in a block or in the whole memory from ’0’ to ’1’.
4.4
Unlock Bypass command
The Unlock Bypass command is used in conjunction with the Unlock Bypass Program
command to program the memory. When the access time to the device is long (as with
some EPROM programmers) considerable time saving can be made by using these
commands. Three bus write operations are required to issue the Unlock Bypass command.
Once the Unlock Bypass command has been issued the memory will only accept the Unlock
Bypass Program command and the Unlock Bypass Reset command. The memory can be
read as if in read mode.
4.5
Unlock Bypass Program command
The Unlock Bypass Program command can be used to program one address in memory at
a time. The command requires two bus write operations, the final write operation latches the
address and data in the internal state machine and starts the program/erase controller.
The program operation using the Unlock Bypass Program command behaves identically to
the program operation using the Program command. A protected block cannot be
programmed; the operation cannot be aborted and the status register is read. Errors must
be reset using the Read/Reset command, which leaves the device in unlock bypass mode.
See the Program command for details on the behavior.
4.6
Unlock Bypass Reset command
The Unlock Bypass Reset command can be used to return to read/reset mode from unlock
bypass mode. Two bus write operations are required to issue the Unlock Bypass Reset
command. Read/Reset command does not exit from unlock bypass mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M29W800FT70D11 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Gel-pak, waffle pack, wafer, diced wafer on film
M29W800FT70N3E 制造商:Micron Technology Inc 功能描述:IC FLASH 8MBIT 70NS 48TSOP
M29W800FT70N3F 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Tape and Reel
M29W800FT70N3F TR 制造商:Micron Technology Inc 功能描述:IC FLASH 8MBIT 70NS 48TSOP
M29W800FT70ZA3SE 制造商:Micron Technology Inc 功能描述:AUTOMOTIVE - Trays 制造商:Micron Technology Inc 功能描述:IC FLASH 8MBIT 70NS 48TFBGA
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