m29w400b-100za6tr STMicroelectronics, m29w400b-100za6tr Datasheet - Page 34

• Manufacturer Part Number: m29w400b-100za6tr
• Description: 64 Mbit 8mb X8 Or 4mb X16, Multiple Bank, Boot Block 3v Supply Flash Memory
• Manufacturer: STMicroelectronics

Status register
Table 9.
1. Unspecified data bits should be ignored.
1.
Figure 6.
34/74
Program
Program During Erase
Suspend
Program Error
Chip Erase
Block Erase before
timeout
Block Erase
Erase Suspend
Erase Error
Figure 14
Operation
and
Status Register Bits
Data Polling flowchart
Figure 15
describe Toggle and Alternative Toggle Bits timing waveforms.
Faulty Block address
Good Block address
Non-Erasing block
Non-Erasing block
Non-Erasing block
Bank address
Bank address
Bank address
Erasing block
Erasing block
Erasing block
Any address
Address
NO
at VALID ADDRESS
READ DQ5 & DQ7
at VALID ADDRESS
READ DQ7
DQ7
DQ7
DQ7
DQ7
DQ5 = 1
START
DATA
DATA
0
0
0
0
0
1
0
0
DQ7
DQ7
FAIL
=
=
YES
NO
NO
No Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
Toggle
DQ6
YES
YES
Data read as normal
PASS
AI07760
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
–
–
–
M29DW640F
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
RB
0
0
0
0
0
0
0