參數(shù)資料
型號： MBM29F040C-55
廠商： Fujitsu Limited
英文描述： Replaced by TPS2041B : 0.7A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-PDIP -40 to 85
中文描述： 4分（為512k × 8）位
文件頁數(shù)： 15/40頁
文件大?。?/td> 424K
代理商： MBM29F040C-55
15
MBM29F040C
-55/-70/-90
Write Operation Status
Notes:
1.Performing successive read operations from any address will cause DQ
6
to toggle.
2.Reading the byte address being programmed while in the erase-suspend program mode will indicate logic
“1” at the DQ
2
bit. However, successive reads from the erase-suspended sector will cause DQ
2
to toggle.
3.DQ
0
and DQ
1
are reserve pins for future use. DQ
4
is for Fujitsu internal use only.
DQ
7
Data Polling
The MBM29F040C device features Data Polling as a method to indicate to the host that the Embedded Algorithms
are in progress or completed. During the Embedded Program Algorithm an attempt to read the device will produce
the compliment of the data last written to DQ
7
. Upon completion of the Embedded Program Algorithm, an attempt
to read the device will produce the true data last written to DQ
7
. During the Embedded Erase Algorithm, an
attempt to read the device will produce a “0” at the DQ
7
output. Upon completion of the Embedded Erase Algorithm
an attempt to read the device will produce a “1” at the DQ
7
output. The flowchart for Data Polling (DQ
7
) is shown
in Figure 15.
For chip erase, and sector erase the Data Polling is valid after the rising edge of the sixth WE pulse in the six
write pulse sequence. For sector erase, the Data Polling is valid after the last rising edge of the sector erase
WE pulse. Data Polling must be performed at sector address within any of the sectors being erased and not a
protected sector. Otherwise, the status may not be valid. Once the Embedded Algorithm operation is close to
being completed, the MBM29F040C data pins (DQ
7
) may change asynchronously while the output enable (OE)
is asserted low. This means that the device is driving status information on DQ
7
at one instant of time and then
that byte’s valid data at the next instant of time. Depending on when the system samples the DQ
7
output, it may
read the status or valid data. Even if the device has completed the Embedded Algorithm operation and DQ
7
has
a valid data, the data outputs on DQ
0
to DQ
6
may be still invalid. The valid data on DQ
0
to DQ
7
will be read on
the successive read attempts.
The Data Polling feature is only active during the Embedded Programming Algorithm, Embedded Erase
Algorithm, or sector erase time-out. (See Table 6.)
See Figure 9 for the Data Polling timing specifications and diagrams.
Table 6 Hardware Sequence Flags
Status
DQ
7
DQ
6
DQ
5
DQ
3
DQ
2
In Progress
Embedded Program Algorithm
DQ
7
Toggle
0
0
1
Embedded Erase Algorithm
0
Toggle
0
1
Toggle
Erase
Suspended
Mode
Erase Suspend Read
(Erase Suspended Sector)
1
1
0
0
Toggle
Erase Suspend Read
(Non-Erase Suspended Sector)
Data
Data
Data
Data
Data
Erase Suspend Program
Non-Erase Suspended Sector)
DQ
7
Toggle
(Note 1)
0
0
1
(Note 2)
Exceeded
Time Limits
Embedded Program Algorithm
DQ
7
Toggle
1
0
1
Program/Erase in Embedded Erase Algorithm
0
Toggle
1
1
N/A
Erase
Suspended
Mode
Erase Suspend Program
(Non-Erase Suspended Sector)
DQ
7
Toggle
1
0
N/A
相關PDF資料
PDF描述
MBM29F040C-55PD 4M (512K X 8) BIT
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
相關代理商/技術(shù)參數(shù)
參數(shù)描述
MBM29F040C-55PD 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C-55PFTN 制造商:SPANSION 制造商全稱:SPANSION 功能描述:FLASH MEMORY 4M (512K x 8) BIT
MBM29F040C-55PFTR 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C-70 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
MBM29F040C-70PD 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:4M (512K X 8) BIT
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*