S29GL064M90TFIR40 Spansion Inc., S29GL064M90TFIR40 Datasheet - Page 55
S29GL064M90TFIR40
Manufacturer Part Number
S29GL064M90TFIR40
Description
Flash Memory IC
Manufacturer
Spansion Inc.
Series
S29GLr
Datasheet
1.S29GL064M90TFIR40.pdf
(116 pages)
Specifications of S29GL064M90TFIR40
Memory Size
64Mbit
Package/case
48-TSOP
Supply Voltage Max
3V
Leaded Process Compatible
Yes
Peak Reflow Compatible (260 C)
Yes
Access Time, Tacc
90nS
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S29GL064M90TFIR40
Manufacturer:
SPANSION
Quantity:
660
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Temporary Sector Group Unprotect
February 7, 2007 S29GL-M_00_B8
This feature allows temporary unprotection of previously protected sector groups to change data
in-system. The Sector Group Unprotect mode is activated by setting the RESET# pin to
ing this mode, formerly protected sector groups can be programmed or erased by selecting the
sector group addresses. Once V
sector groups are protected again. For this feature,
shows the timing diagrams.
Notes:
1.
2.
All protected sector groups unprotected (If WP# = V
remains protected for uniform sector devices, the top or bottom two address sectors remains
protected for boot sector devices).
All previously protected sector groups are protected once again.
Figure 1. Temporary Sector Group Unprotect Operation
D a t a
S29GL-M MirrorBit
Group Unprotect Completed
S h e e t
ID
Program Operations
Temporary Sector
Perform Erase or
RESET# = V
RESET# = V
is removed from the RESET# pin, all the previously protected
(Note 1)
(Note 2)
START
TM
Flash Family
IL
ID
IH
, the highest or lowest address sector
Figure 1
shows the algorithm, and
Figure 23
V
ID
. Dur-
53
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