AM41DL3244GT70I Spansion Inc., AM41DL3244GT70I Datasheet - Page 23
AM41DL3244GT70I
Manufacturer Part Number
AM41DL3244GT70I
Description
Manufacturer
Spansion Inc.
Datasheet
1.AM41DL3244GT70I.pdf
(65 pages)
Specifications of AM41DL3244GT70I
Operating Supply Voltage (max)
3.3V
Operating Temperature (max)
85C
Mounting
Surface Mount
Lead Free Status / RoHS Status
Not Compliant
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Note that the WP#/ACC pin must not be left floating or
unconnected; inconsistent behavior of the device may
result.
Temporary Sector/Sector Block Unprotect
(Note: For the following discussion, the term “sector”
applies to both sectors and sector blocks. A sector
block consists of two or more adjacent sectors that are
protected or unprotected at the same time (see Table
10).
This feature allows temporary unprotection of previ-
ously protected sectors to change data in-system. The
Sector Unprotect mode is activated by setting the RE-
SET# pin to V
formerly protected sectors can be programmed or
erased by selecting the sector addresses. Once V
removed from the RESET# pin, all the previously pro-
tected sectors are protected again. Figure 1 shows the
algorithm, and Figure 25 shows the timing diagrams,
for this feature.
22
ID
(11.5 V – 12.5 V). During this mode,
P R E L I M I N A R Y
Am41DL32x4G
ID
is
Notes:
1. All protected sectors unprotected (If WP#/ACC = V
2. All previously protected sectors are protected once
Figure 1. Temporary Sector Unprotect Operation
outermost boot sectors will remain protected).
again.
Unprotect Completed
Program Operations
Temporary Sector
Perform Erase or
RESET# = V
RESET# = V
(Note 1)
(Note 2)
START
November 12, 2001
ID
IH
IL
,
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