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參數資料
| 型號： | AM29LV641MH101FI |
| 廠商： | ADVANCED MICRO DEVICES INC |
| 元件分類： | PROM |
| 英文描述： | 64 Megabit (4 M x 16-Bit) MirrorBita?? 3.0 Volt-only Uniform Sector Flash Memory with VersatileI/Oa?? Control |
| 中文描述： | 4M X 16 FLASH 3V PROM, 100 ns, PDSO48 |
| 封裝： | REVERSE, MO-142BDD, TSOP-48 |
| 文件頁數： | 27/60頁 |
| 文件大?。?/td> | 640K |
| 代理商： | AM29LV641MH101FI |
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December 21, 2005
Am29LV641MH/L
25
D A T A S H E E T
The write-buffer programming operation can be sus-
pended using the standard program suspend/resume
commands. Upon successful completion of the Write
Buffer Programming operation, the device is ready to
execute the next command.
The Write Buffer Programming Sequence can be
aborted in the following ways:
■
Load a value that is greater than the page buffer
size during the Number of Locations to Program
step.
■
Write to an address in a sector different than the
one specified during the Write-Buffer-Load com-
mand.
■
Write an Address/Data pair to a different
write-buffer-page than the one selected by the
Starting Address during the write buffer data load-
ing stage of the operation.
■
Write data other than the Confirm Command after
the specified number of data load cycles.
The abort condition is indicated by DQ1 = 1, DQ7 =
DATA# (for the last address location loaded), DQ6 =
toggle, and DQ5=0. A Write-to-Buffer-Abort Reset
command sequence must be written to reset the de-
vice for the next operation. Note that the full 3-cycle
Write-to-Buffer-Abort Reset command sequence is re-
quired when using Write-Buffer-Programming features
in Unlock Bypass mode.
Accelerated Program
The device offers accelerated program operations
through the ACC pin. When the system asserts V
HH
on
the ACC pin, the device automatically enters the Un-
lock Bypass mode. The system may then write the
two-cycle Unlock Bypass program command se-
quence. The device uses the higher voltage on the
ACC pin to accelerate the operation.
Note that the
ACC pin must not be at V
HH
for operations other than
accelerated programming, or device damage may re-
sult.
Figure 5 illustrates the algorithm for the program oper-
ation. Refer to the
Erase and Program Operations
table in the AC Characteristics section for parameters,
and Figure 18 for timing diagrams.
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