參數(shù)資料
型號： AM29LV640MT100EF
廠商： Advanced Micro Devices, Inc.
英文描述： 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
中文描述： 64兆位（4個M x 16位/八米× 8位）的MirrorBit⑩3.0伏，只引導(dǎo)扇區(qū)閃存
文件頁數(shù)： 36/66頁
文件大?。?/td> 836K
代理商： AM29LV640MT100EF
34
Am29LV640MT/B
26190C8 February1,2007
D A T A S H E E T
The system can monitor DQ3 to determine if the sec-
tor erase timer has timed out. See
DQ3: Sector Erase
Timer on page 41
. The time-out begins from the rising
edge of the final WE# pulse in the command
sequence.
When the Embedded Erase algorithm is complete, the
device returns to reading array data and addresses
are no longer latched. The system can determine the
status of the erase operation by reading DQ7, DQ6, or
DQ2 in the erasing sector. See
Write Operation Status
on page 38
for information on these status bits.
Once the sector erase operation has begun, only the
Erase Suspend command is valid. All other com-
mands are ignored. However, note that a
hardware
reset
immediately
terminates the erase operation. If
that occurs, the sector erase command sequence
should be reinitiated once the device has returned to
reading array data, to ensure data integrity.
Figure 7
illustrates the algorithm for the erase opera-
tion. See the table,
Erase and Program Operations on
page 48
in
AC Characteristics
for parameters, and
Fig-
ure 19
for timing diagrams.
Figure 7.
Erase Operation
START
Write Erase
Command Sequence
(Notes 1, 2)
Data Poll to Erasing
Bank from System
Data = FFh
No
Yes
Erasure Completed
Embedded
Erase
algorithm
in progress
Notes:
1. See
Table 12
and
Table 13
for erase command
sequence.
2. See
DQ3: Sector Erase Timer on page 41
for
information on the sector erase timer.
相關(guān)PDF資料
PDF描述
AM29LV640MT100EI 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
AM29LV640MT100PCF 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
AM29LV640MT100PCI 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
AM29LV640MT100REF 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
AM29LV640MT100REI 64 Megabit (4 M x 16-Bit/8 M x 8-Bit) MirrorBit⑩ 3.0 Volt-only Boot Sector Flash Memory
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