m29w400f Numonyx, m29w400f Datasheet - Page 28

• Manufacturer Part Number: m29w400f
• Description: 8-mbit 1 Mbit?8 / 512 Kbit?16 ; 4-mbit 512 Kbit?8 / 256 Kbit?16 Boot Block 3 V Supply Flash Memory
• Manufacturer: Numonyx

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Table 7.
1. Unspecified data bits should be ignored.
Figure 10. Data polling flowchart
Program
Program during
erase suspend
Program error
Chip erase
Block erase before
timeout
Block erase
Erase suspend
Erase error
Operation
Status register bits
Faulty block address
Good block address
Non-erasing block
Non-erasing block
Non-erasing block
Erasing block
Erasing block
Erasing block
Any address
Any address
Any address
Any address
Address
(1)
at VALID ADDRESS
at VALID ADDRESS
NO
READ DQ5 & DQ7
READ DQ7
START
DATA
DATA
DQ7
DQ5
DQ7
FAIL
= 1
DQ7
DQ7
DQ7
DQ7
=
=
0
0
0
0
0
1
0
0
YES
NO
NO
YES
YES
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
Data read as normal
PASS
AI03598
DQ5
0
0
1
0
0
0
0
0
0
1
1
DQ3
–
–
–
1
0
0
1
1
–
1
1
No Toggle
No Toggle
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ2
–
–
–
RB
0
0
0
0
0
0
0
0
1
1
0
0