AM29LV160BT-120EI AMD (ADVANCED MICRO DEVICES), AM29LV160BT-120EI Datasheet - Page 30
AM29LV160BT-120EI
Manufacturer Part Number
AM29LV160BT-120EI
Description
IC 16MX16, 3V 100K FLSH, TOP B
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.AM29LV160BT-90SC.pdf
(54 pages)
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toggling, the device has successfully completed the
program or erase operation. If it is still toggling, the de-
vice did not complete the operation successfully, and
the system must write the reset command to return to
reading array data.
The remaining scenario is that the system initially de-
termines that the toggle bit is toggling and DQ5 has
not gone high. The system may continue to monitor
the toggle bit and DQ5 through successive read cy-
cles, determining the status as described in the
previous paragraph. Alternatively, it may choose to
perform other system tasks. In this case, the system
must start at the beginning of the algorithm when it re-
turns to determine the status of the operation (top of
Figure 6).
28
Am29LV160B
Notes:
1. Read toggle bit twice to determine whether or not it is
2. Recheck toggle bit because it may stop toggling as DQ5
toggling. See text.
changes to “1”. See text.
No
Figure 6. Toggle Bit Algorithm
Complete, Write
Reset Command
Read DQ7–DQ0
Read DQ7–DQ0
Read DQ7–DQ0
Program/Erase
Operation Not
Toggle Bit
Toggle Bit
DQ5 = 1?
= Toggle?
= Toggle?
START
Twice
Yes
Yes
Yes
(Notes
1, 2)
(Note 1)
Operation Complete
No
No
Program/Erase
21358H-9
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