參數(shù)資料
型號(hào)： MBM29F002BC
廠商： Fujitsu Limited
英文描述： 2M (256K X 8) BIT
中文描述： 200萬(wàn)（256K × 8）位
文件頁(yè)數(shù)： 16/46頁(yè)
文件大?。?/td> 461K
代理商： MBM29F002BC
16
MBM29F002TC
-55/-70/-90
/MBM29F002BC
-55/-70/-90
Write Operation Status
Notes:
1.Performing successive read operations from the erase-suspended sector will cause DQ
2
to toggle.
2.Performing successive read operations from any address will cause DQ
6
to toggle.
3.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.
DQ
7
Data Polling
The MBM29F002TC/BC 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 complement 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 18.
Data polling will also flag the entry into Erase Suspend. DQ
7
will switch “0” to “1” at the start of the Erase Suspend
mode. Please note that the address of an erasing sector must be applied in order to observe DQ
7
in the Erase
Suspend Mode.
During Program in Erase Suspend, Data polling will perform the same as in regular program execution outside
of the suspend mode.
For chip 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 sector that is within a
protected sector. Otherwise, the status may not be valid.
Table 7 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
(Note 1)
Erase Suspend Read
(Non-Erase Suspended Sector)
Data
Data
Data
Data
Data
Erase Suspend Program
(Non-Erase Suspended Sector)
DQ
7
Toggle
(Note 2)
0
0
1
(Note 3)
Exceeded
Time Limits
Embedded Program Algorithm
DQ
7
Toggle
1
0
1
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(guān)PDF資料
PDF描述
MBM29F002BC-55 2M (256K X 8) BIT
MBM29F002BC-70 2M (256K X 8) BIT
MBM29F002BC-90 2M (256K X 8) BIT
MBM29F002TC-55 2M (256K X 8) BIT
MBM29F002TC 2M (256K X 8) BIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MBM29F002BC-55 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2M (256K X 8) BIT
MBM29F002BC-70 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2M (256K X 8) BIT
MBM29F002BC-90 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2M (256K X 8) BIT
MBM29F002T-90PD# 制造商:FUJITSU 功能描述:
MBM29F002TC 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:2M (256K X 8) BIT
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