MBM29F040C-55/-70/-90
Start
Read Byte
(DQ0 to DQ7)
Addr. = VA
VA = Byte address for programming
= Any of the sector addresses within
the sector being erased during
sector erase or multiple sector
erases operation.
Yes
DQ7 = Data
?
= Any of the sector addresses within
the sector not being protected
during sector erase or multiple
sector erases operation.
No
No
DQ5 = 1?
Yes
Read Byte
(DQ0 to DQ7)
Addr. = VA
Yes
DQ7 = Data
?
No
Fail
Pass
Note: DQ7 is rechecked even if DQ5 = “1” because DQ7 may change simultaneously with DQ5.
Figure 5 Data Polling Algorithm
33