MBM29F400TC-55/-70/-90/MBM29F400BC-55/-70/-90
VA = Byte address for programming
= Any of the sector addresses
Start
within the sector being erased
during sector erase operation
= Any of the sector addresses
Read Byte
(DQ0 to DQ7)
Addr. = VA
within the sector not being
protected during chip erase
operation
Yes
DQ7 = Data?
No
No
DQ5 = 1?
Yes
Read Byte
(DQ0 to DQ7)
Addr. = VA
Yes
DQ7 = Data?
No
Pass
Fail
Note: DQ7 is rechecked even if DQ5 = “1” because DQ7 may change simultaneously with DQ5.
Figure 21 Data Polling Algorithm
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