AM29DL400BB-120SF AMD [Advanced Micro Devices], AM29DL400BB-120SF Datasheet - Page 24

• Manufacturer Part Number: AM29DL400BB-120SF
• Description: 4 Megabit (512 K x 8-Bit/256 K x 16-Bit) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

Notes:
1. DQ5 switches to ‘1’ when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
2. DQ7 and DQ2 require a valid address when reading
3. When reading write operation status bits, the system must always provide the bank address where the Embedded Algorithm is in
22
Standard
Suspend
Erase
Refer to the section on DQ5 for more information.
status information. Refer to the appropriate subsection
for further details.
progress. The device outputs array data if the system addresses a non-busy bank.
Mode
Mode
Embedded Program Algorithm
Erase-Suspend-
Embedded Erase Algorithm
Read
Erase-Suspend-Program
Status
Erase
Suspended Sector
Non-Erase
Suspended Sector
Table 6. Write Operation Status
(Note 2)
Am29DL400B
DQ7#
DQ7#
DQ7
Data
0
1
No toggle
Toggle
Toggle
Toggle
DQ6
Data
(Note 1)
DQ5
Data
0
0
0
0
DQ3
Data
N/A
N/A
N/A
1
(Note 2)
No toggle
Toggle
Toggle
DQ2
Data
N/A
RY/BY#
0
0
1
1
0