參數(shù)資料
型號(hào)： MBM29F040C-55PD
廠(chǎng)商： FUJITSU LTD
元件分類(lèi)： DRAM
英文描述： 4M (512K X 8) BIT
中文描述： 512K X 8 FLASH 5V PROM, 55 ns, PQCC32
封裝： PLASTIC, LCC-32
文件頁(yè)數(shù)： 14/40頁(yè)
文件大?。?/td> 424K
代理商： MBM29F040C-55PD
14
MBM29F040C
-55/-70/-90
Erase Suspend
The Erase Suspend command allows the user to interrupt a Sector Erase operation and then perform data reads
from or programs to a sector not being erased. This command is applicable ONLY during the Sector Erase
operation which include the time-out period for sector erase. The Erase Suspend command will be ignored if
written during the Chip Erase operation or Embedded Program Algorithm. Writting the Erase Suspend command
during the Sector Erase time-out results in immediate termination of the time-out period and suspension of the
erase operation.
Any other command written during the Erase Suspend mode will be ignored except the Erase Resume command.
Writing the Erase Resume command resumes the erase operation. The addresses are “DON’T CARES” when
writing the Erase Suspend or Erase Resume command.
When the Erase Suspend command is written during the Sector Erase operation, the device will take a maximum
of 10
μ
s to suspend the erase operation. When the devices have entered the erase-suspended mode, the DQ
7
bit will be at logic “1”, and DQ
6
will stop toggling. The user must use the address of the erasing sector for reading
DQ
6
and DQ
7
to determine if the erase operation has been suspended. Further writes of the Erase Suspend
command are ignored.
When the erase operation has been suspended, the devices default to the erase-suspend-read mode. Reading
data in this mode is the same as reading from the standard read mode except that the data must be read from
sectors that have not been erase-suspended. Successively reading from the erase-suspended sector while the
device is in the erase-suspend-read mode will cause DQ
2
to toggle. (See the section on DQ
2
.)
After entering the erase-suspend-read mode, the user can program the device by writing the appropriate
command sequence for Program. This Program mode is known as the erase-suspend-program mode. Again,
programming in this mode is the same as programming in the regular Program mode except that the data must
be programmed to sectors that are not erase-suspended. Successively reading from the erase-suspended sector
while the devices are in the erase-suspend-program mode will cause DQ
2
to toggle. The end of the erase-
suspended Program operation is detected by Data polling of DQ
7
, or by the Toggle Bit I (DQ
6
) which is the same
as the regular Program operation. Note that DQ
7
must be read from the Program address while DQ
6
can be read
from any address.
To resume the operation of Sector Erase, the Resume command (30H) should be written. Any further writes of
the Resume command at this point will be ignored. Another Erase Suspend command can be written after the
chip has resumed erasing.
相關(guān)PDF資料
PDF描述
MBM29F040C-55PFTN Replaced by TPS2041B : 0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC 0 to 85
MBM29F040C-55PFTR Replaced by TPS2041B : 0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC 0 to 85
MBM29F040C-70 Replaced by TPS2041B : 0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC 0 to 85
MBM29F040C-70PD Replaced by TPS2041B : 0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC 0 to 85
MBM29F040C-70PFTN Single-Channel Current-Limited Power Distribution Switch 8-SOIC -40 to 85
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MBM29F040C-55PFTN 制造商:SPANSION 制造商全稱(chēng):SPANSION 功能描述:FLASH MEMORY 4M (512K x 8) BIT
MBM29F040C-55PFTR 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C-70 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C-70PD 制造商:FUJITSU 制造商全稱(chēng):Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C70PDER 制造商:FUJITSU 功能描述:
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