W19B320STT9B
| Model | W19B320STT9B |
| Description | Flash, 2MX16, 90ns, PDSO48, TSOP-48 |
| PDF file | Total 52 pages (File size: 2M) |
| Chip Manufacturer | WINBOND |
W19B(L)320ST/B
7.11 Toggle Bit Algorithm
START
Read DQ7-DQ0
Read DQ7-DQ0
Toggle Bit
=Toggle?
No
Yes
No
DQ5=1?
Yes
Read DQ7-DQ0
Twice
Toggle Bit
=Toggle?
No
Yes
Program/Erase
Operation Not
Complete,Write
Reset Command
Program/Erase
Complete
Note:
The system should recheck the toggle bit even if DQ5 =”1” because the toggle bit may stop toggling as DQ5 changes to
“1”. See the subsections on DQ6 and DQ2 for more information
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Publication Release Date: March 23, 2004
Revision A2
