S29GL064M90TFIR40 Spansion Inc., S29GL064M90TFIR40 Datasheet - Page 75
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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D a t a
S h e e t
After an erase command sequence is written, if all sectors selected for erasing are protected, DQ6
toggles for approximately 100 µs, then returns to reading array data. If not all selected sectors
are protected, the Embedded Erase algorithm erases the unprotected sectors, and ignores the
selected sectors that are protected.
The system can use DQ6 and DQ2 together to determine whether a sector is actively erasing or
is erase-suspended. When the device is actively erasing (that is, the Embedded Erase algorithm
is in progress), DQ6 toggles. When the device enters the Erase Suspend mode, DQ6 stops tog-
gling. However, the system must also use DQ2 to determine which sectors are erasing or erase-
suspended. Alternatively, the system can use DQ7 (see the subsection on DQ7: Data# Polling).
If a program address falls within a protected sector, DQ6 toggles for approximately 1 µs after the
program command sequence is written, then returns to reading array data.
DQ6 also toggles during the erase-suspend-program mode, and stops toggling once the Embed-
ded Program algorithm is complete.
Table 36
shows the outputs for Toggle Bit I on DQ6.
Figure 8
shows the toggle bit algorithm.
Figure 20
shows the toggle bit timing diagrams.
Figure 21
shows the differences between DQ2
and DQ6 in graphical form. Also, see
DQ2: Toggle Bit
II.
February 7, 2007 S29GL-M_00_B8
S29GL-M MirrorBit
Flash Family
73
TM
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