M29W320DB STMICROELECTRONICS [STMicroelectronics], M29W320DB Datasheet - Page 27

• Manufacturer Part Number: M29W320DB
• Description: 32 Mbit 4Mb x8 or 2Mb x16, Boot Block 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

M29W320DT, M29W320DB
Table 7.
1. Unspecified data bits should be ignored.
Program
Program During Erase
Suspend
Program Error
Chip Erase
Block Erase before
timeout
Block Erase
Erase Suspend
Erase Error
Operation
Status Register Bits
Figure 6.
Faulty Block Address
Good Block Address
Non-Erasing Block
Non-Erasing Block
Non-Erasing Block
Data Polling Flowchart
Erasing Block
Erasing Block
Erasing Block
Any Address
Any Address
Any Address
Any Address
Address
(1)
DQ7
DQ7
DQ7
DQ7
0
0
0
0
0
1
0
0
at VALID ADDRESS
at VALID ADDRESS
NO
READ DQ5 & DQ7
READ DQ7
START
DATA
DATA
FAIL
DQ7
DQ5
DQ7
No Toggle
= 1
=
=
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
YES
NO
NO
Data read as normal
YES
YES
DQ5
0
0
1
0
0
0
0
0
0
1
1
PASS
AI90194
DQ3
–
–
–
1
0
0
1
1
–
1
1
No Toggle
No Toggle
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ2
Status Register
–
–
–
RB
0
0
0
0
0
0
0
0
1
1
0
0
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