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參數資料
| 型號： | N643GT5KI |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| 中文描述： | 64兆位（4個M x 16位）的CMOS 1.8伏，只有同時讀/寫，突發模式閃存 |
| 文件頁數： | 31/49頁 |
| 文件大小： | 382K |
| 代理商： | N643GT5KI |
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May 8, 2006 25692A2
Am29BDS643G
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D A T A S H E E T
halts the operation, and when the timing limit has been
exceeded, DQ5 produces a “1.”
Under both these conditions, the system must write
the reset command to return to the read mode (or to
the erase-suspend-read mode if a bank was previ-
ously in the erase-suspend-program mode).
DQ3: Sector Erase Timer
After writing a sector erase command sequence, the
system may read DQ3 to determine whether or not
erasure has begun. (The sector erase timer does not
apply to the chip erase command.) If additional sectors
are selected for erasure, the entire time-out also
applies after each additional sector erase command.
When the time-out period is complete, DQ3 switches
from a “0” to a “1.” If the time between additional sector
erase commands from the system can be assumed to
be less than 50 μs, the system need not monitor DQ3.
See also the Sector Erase Command Sequence sec-
tion.
After the sector erase command is written, the system
should read the status of DQ7 (Data# Polling) or DQ6
(Toggle Bit I) to ensure that the device has accepted
the command sequence, and then read DQ3. If DQ3 is
“1,” the Embedded Erase algorithm has begun; all
further commands (except Erase Suspend) are ignored
until the erase operation is complete. If DQ3 is “0,” the
device will accept additional sector erase commands.
To ensure the command has been accepted, the
system software should check the status of DQ3 prior
to and following each subsequent sector erase com-
mand. If DQ3 is high on the second status check, the
last command might not have been accepted.
Table 12 shows the status of DQ3 relative to the other
status bits.
Table 12.
Write Operation Status
Notes:
1. DQ5 switches to ‘1’ when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
Refer to the section on DQ5 for more information.
2. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further details.
3. When reading write operation status bits, the system must always provide the bank address where the Embedded Algorithm
is in progress. The device outputs array data if the system addresses a non-busy bank.
4. The system may read either asynchronously or synchronously (burst) while in erase suspend. RDY will function exactly as in
non-erase-suspended mode.
Status
DQ7
(Note 2)
DQ7#
0
DQ6
Toggle
Toggle
DQ5
(Note 1)
0
0
DQ3
N/A
1
DQ2
(Note 2)
No toggle
Toggle
Standard
Mode
Embedded Program Algorithm
Embedded Erase Algorithm
Erase
Suspend
Mode
Erase-Suspend-
Read (Note 4)
Erase
Suspended Sector
Non-Erase Suspended
Sector
1
No toggle
0
N/A
Toggle
Data
Data
Data
Data
Data
Erase-Suspend-Program
DQ7#
Toggle
0
N/A
N/A
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相關代理商/技術參數 |
參數描述 |
|---|---|
| N643GT7GI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| N643GT7MI | 制造商:AMD 制造商全稱:Advanced Micro Devices 功能描述:64 Megabit (4 M x 16-Bit) CMOS 1.8 Volt-only Simultaneous Read/Write, Burst Mode Flash Memory |
| N6455A | 制造商:Agilent Technologies 功能描述:HARD COPY MANUAL, 4000X-SERIES OSCILLOSCOPE; Plug Type:-; Accessory Type:Hard Copy Manual; For Use With:InfiniiVision 4000 X-Series Oscilloscopes ;RoHS Compliant: NA |
| N6456A | 制造商:AGILENT TECHNOLOGIES, INC. 功能描述:Rackmount Kit for 2000 and 3000X Series Oscilloscopes 制造商:Agilent Technologies 功能描述:Bulk 制造商:Agilent Technologies 功能描述:OPTION RACK MOUNT KIT FOR X-SERIES 制造商:Agilent Technologies 功能描述:RACK MOUNT KIT; Accessory Type:Rackmount Kit; For Use With:Agilent InfiniiVision 2000X / 3000X Series Oscilloscopes ;RoHS Compliant: NA 制造商:Agilent Technologies 功能描述:Rack mount kit |
| N6457A | 制造商:AGILENT TECHNOLOGIES, INC. 功能描述:Soft Carrying Case and Front Panel Cover for 2000 and 3000X Series Scopes 制造商:Agilent Technologies 功能描述:Bulk 制造商:Agilent Technologies 功能描述:ACCESSORY SOFT CASE AND FRONT PANEL 制造商:Agilent Technologies 功能描述:ACCESSORY, SOFT CASE AND FRONT PANEL 制造商:Agilent Technologies 功能描述:SOFT CARRYING CASE AND FRONT PANEL COVER; Accessory Type:Case and Front Panel Cover; For Use With:Agilent InfiniiVision 2000X / 3000X Series Oscilloscopes ;RoHS Compliant: NA 制造商:Agilent Technologies 功能描述:Soft Carrying Case |
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