MBM29DL640E Fujitsu Microelectronics, Inc., MBM29DL640E Datasheet - Page 62
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MBM29DL640E
Manufacturer Part Number
MBM29DL640E
Description
Flash Memory 64 M 8 M X 8/4 M X 16 Bit Dual Operation
Manufacturer
Fujitsu Microelectronics, Inc.
Datasheet
1.MBM29DL640E.pdf
(71 pages)
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62
MBM29DL640E
*1 : Read toggle bit twice to determine whether or not it is toggling.
*2 : Recheck toggle bit because it may stop toggling as DQ
80/90/12
No
Figure 25 Toggle Bit Algorithm
Read DQ
Read DQ
Read DQ
Reset Command
Complete.Write
Program/Erase
Operation Not
Addr.
Addr.
Addr.
Toggle Bit
Toggle Bit
DQ
Toggle?
Twice
Toggle?
Start
5
7
7
7
Yes
to DQ
to DQ
1?
to DQ
Yes
VA
VA
VA
Yes
0
0
0
No
No
*1
*1, 2
Program/Erase
Operation
Complete
5
changes to “1”.
VA
Bank address being executed
Embedded Algorithm.