參數(shù)資料
型號(hào)： MBM29F016-90
廠商： Fujitsu Limited
英文描述： CMOS 16M (2M x 8) Bit Flash Memory(CMOS 16M (2M x 8)位閃速存儲(chǔ)器)
中文描述： 的CMOS 1,600（2米× 8）位閃存（1,600的CMOS（200萬(wàn)× 8）位閃速存儲(chǔ)器）
文件頁(yè)數(shù)： 16/46頁(yè)
文件大?。?/td> 520K
代理商： MBM29F016-90
16
MBM29F016
-90/-12
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 MBM29F016 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 group. Otherwise, the status may not be valid.
Just prior to the completion of Embedded Algorithm operation 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
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
MBM29F016A 16M (2M X 8) BIT
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MBM29F016A-12PFTN 16M (2M X 8) BIT
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MBM29F016A 制造商:SPANSION 制造商全稱:SPANSION 功能描述:FLASH MEMORY CMOS 16M (2M x 8) BIT
MBM29F016A-12 制造商:SPANSION 制造商全稱:SPANSION 功能描述:FLASH MEMORY CMOS 16M (2M x 8) BIT
MBM29F016A-12PFTN 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8) BIT
MBM29F016A-12PFTN-X# 制造商:FUJITSU 功能描述:
MBM29F016A-12PFTR 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16M (2M X 8) BIT
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