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W29GL256SH9T-TR Datasheet, PDF (46/88 Pages) Winbond – 256M-BIT 3.0-VOLT PARALLEL FLASH MEMORY WITH PAGE MODE
Figure 8-7 Toggle Bit Program
W29GL256S
Notes:
1. Read toggle bit twice to determine whether or not it is toggling. See text.
2. Recheck toggle bit because it may stop toggling as DQ5 changes to 1. See text.
8.13.2.6 DQ5: Exceeded Timing Limits
There is in place a specified internal pulse count for program or erase operations that when
exceeded, DQ5 value will be equal to ‘1’. This is considered a fail for a program or erase operation
that has not completed successfully. In this situation, a reset command must be executed to return
back to a read array mode. It is possible that the device will continue to indicate busy for up to 2 μs
following the reset command.
Publication Release Date: Jul 02, 2014
Revision C
46