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參數(shù)資料
| 型號： | MBM29F800TA-90PFTN |
| 廠商： | FUJITSU LTD |
| 元件分類： | DRAM |
| 英文描述： | 8M (1M X 8/512K X 16) BIT |
| 中文描述： | 512K X 16 FLASH 5V PROM, 90 ns, PDSO48 |
| 封裝： | PLASTIC, TSOP1-48 |
| 文件頁數(shù)： | 20/48頁 |
| 文件大?。?/td> | 537K |
| 代理商： | MBM29F800TA-90PFTN |
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20
MBM29F800TA
-55/-70/-90
/MBM29F800BA
-55/-70/-90
The DQ
5
failure condition may also appear if a user tries to program a non blank location without erasing. In this
case the device locks out and never complete the Embedded Algorithm operation. Hence, the system never
reads a valid data on DQ
7
bit and DQ
6
never stops toggling. Once the device has exceeded timing limits, the
DQ
5
bit will indicate a “1.” Please note that this is not a device failure condition since the device was incorrectly
used. If this occurs, rest the device with command sequence.
DQ
3
Sector Erase Timer
After the completion of the initial sector erase command sequence the sector erase time-out will begin. DQ
3
will
remain low until the time-out is complete. Data Polling and Toggle Bit are valid after the initial sector erase
command sequence.
If Data Polling or the Toggle Bit I indicates the device has been written with a valid erase command, DQ
3
may
be used to determine if the sector erase timer window is still open. If DQ
3
is high (“1”) the internally controlled
erase cycle has begun; attempts to write subsequent commands to the device will be ignored until the erase
operation is completed as indicated by Data Polling or Toggle Bit I. If DQ
3
is low (“0”), the device will accept
additional sector erase commands. To insure the command has been accepted, the system software should
check the status of DQ
3
prior to and following each subsequent sector erase command. If DQ
3
were high on the
second status check, the command may not have been accepted.
Refer to Table 8: Hardware Sequence Flags.
DQ
2
Toggle Bit II
This toggle bit II, along with DQ
6
, can be used to determine whether the device is in the Embedded Erase
Algorithm or in Erase Suspend.
Successive reads from the erasing sector will cause DQ
2
to toggle during the Embedded Erase Algorithm. If the
device is in the erase-suspended-read mode, successive reads from the erase-suspended sector will cause DQ
2
to toggle. When the device is in the erase-suspended-program mode, successive reads from the byte address
of the non-erase suspended sector will indicate a logic “1” at the DQ
2
bit.
DQ
6
is different from DQ
2
in that DQ
6
toggles only when the standard program or Erase, or Erase Suspend
Program operation is in progress. The behavior of these two status bits, along with that of DQ
7
, is summarized
as follows:
Notes:
1. These status flags apply when outputs are read from a sector that has been erase-suspended.
2. These status flags apply when outputs are read from the byte address of the non-erase suspended sector.
For example, DQ
2
and DQ
6
can be used together to determine the erase-suspend-read mode (DQ
2
toggles while
DQ
6
does not). See also Table 8 and Figure 22.
Furthermore, DQ
2
can also be used to determine which sector is being erased. When the device is in the erase
mode, DQ
2
toggles if this bit is read from the erasing sector.
Mode
DQ
7
DQ
6
DQ
2
Program
DQ
7
toggles
1
Erase
0
toggles
toggles
Erase Suspend Read
(Erase-Suspended Sector)
(Note 1)
1
1
toggles
Erase Suspend Program
DQ
7
(Note 2)
toggles
1 (Note 2)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MBM29F800TA-90PFTR | 0.345A, 2.7-5.5V Single Hi-Side MOSFET, Fault Report, Act-Low Enable 8-SOIC 0 to 85 |
| MBM29F800BA-55 | LED Lamp; Bulb Size:T-1; LED Color:Red; Luminous Intensity:12ucd; Viewing Angle:50 ; Forward Current:20mA; Forward Voltage:2V; Operating Temperature Range:-40 C to +85 C; Color:Red; Leaded Process Compatible:Yes; Lens Color:Clear RoHS Compliant: Yes |
| MBM29F800BA-55PF | LED Lamp; Bulb Size:T-1; LED Color:Yellow; Luminous Intensity:45ucd; Viewing Angle:50 ; Forward Current:20mA; Forward Voltage:2.1V; Operating Temperature Range:-40 C to C; Color:Yellow; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| MBM29F800BA-55PFTN | LED Lamp; Bulb Size:T-1; LED Color:Red; Luminous Intensity:3ucd; Viewing Angle:60 ; Forward Current:20mA; Forward Voltage:2V; Operating Temperature Range:-40 C to +85 C; Color:Red; Leaded Process Compatible:Yes; Lens Color:Red RoHS Compliant: Yes |
| MBM29F800BA-55PFTR | LED Lamp; Bulb Size:T-1; LED Color:Yellow; Luminous Intensity:20ucd; Viewing Angle:60 ; Forward Current:20mA; Forward Voltage:2.1V; Operating Temperature Range:-40 C to +85 C; Color:Yellow; Leaded Process Compatible:Yes RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MBM29F800TA90PFTNSFLE1 | 制造商:Fujitsu 功能描述: |
| MBM29F800TA-90PFTR | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:FLASH MEMORY |
| MBM29FS12DH15PBT | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:BURST MODE FLASH MEMORY CMOS 128M (8M X 16) BIT |
| MBM29LV001BC | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:1M (128K x 8) BIT |
| MBM29LV001BC-55 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:1M (128K x 8) BIT |
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