MBM29F400BC-55PF SPANSION [SPANSION], MBM29F400BC-55PF Datasheet - Page 39

• Manufacturer Part Number: MBM29F400BC-55PF
• Description: FLASH MEMORY CMOS 4M (512K x 8/256K x 16) BIT
• Manufacturer: SPANSION [SPANSION]

38
MBM29F400TC
Note: DQ
7
is rechecked even if DQ
-55/-70-90
No
5
= “1” because DQ
Data Polling Algorithm
(DQ
(DQ
DQ
DQ
Addr. = VA
Read Byte
Read Byte
Addr. = VA
DQ
7
7
7
Start
7
Fail
= Data?
= Data?
5
to DQ
/MBM29F400BC
to DQ
= 1?
No
Yes
No
0
0
)
)
Yes
Yes
7
may change simultaneously with DQ
Pass
VA = Byte address for programming
= Any of the sector addresses
= Any of the sector addresses
within the sector being erased
during sector erase operation
within the sector not being
protected during chip erase
operation
-55/-70-90
5
.