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AM29LV200 View Datasheet(PDF) - Advanced Micro Devices

Part NameDescriptionManufacturer
AM29LV200 2 Megabit (256 K x 8-Bit/128 K x 16-Bit) CMOS 3.0 volt-only boot sector flash memory AMD
Advanced Micro Devices AMD
AM29LV200 Datasheet PDF : 37 Pages
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PRELIMINARY
status bits, just as in the standard program operation.
See “Write Operation Status” for more information.
The system may also write the autoselect command
sequence when the device is in the Erase Suspend
mode. The device allows reading autoselect codes
even at addresses within erasing sectors, since the
codes are not stored in the memory array. When the
device exits the autoselect mode, the device reverts to
the Erase Suspend mode, and is ready for another
valid operation. See “Autoselect Command Sequence”
for more information.
The system must write the Erase Resume command
(address bits are “don’t care”) to exit the erase suspend
mode and continue the sector erase operation. Further
writes of the Resume command are ignored. Another
Erase Suspend command can be written after the de-
vice has resumed erasing.
START
Write Erase
Command Sequence
Data Poll
from System
No
Data = FFh?
Embedded
Erase
algorithm
in progress
Yes
Erasure Completed
20513D-6
Notes:
1. See Table 5 for erase command sequence.
2. See “DQ3: Sector Erase Timer” for more information.
Figure 3. Erase Operation
Am29LV200
14
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