AM29F040B-1 Advanced Micro Devices, AM29F040B-1 Datasheet - Page 16

• Manufacturer Part Number: AM29F040B-1
• Description: 4 Megabit (512 K x 8-Bit) CMOS 5.0 Volt-only/ Uniform Sector Flash Memory
• Manufacturer: Advanced Micro Devices

Notes:
1. DQ7 and DQ2 require a valid address when reading status information. Refer to the appropriate subsection for further details.
2. DQ5 switches to ‘1’ when an Embedded Program or Embedded Erase operation has exceeded the maximum timing limits.
16
Standard
Mode
Erase
Suspend
Mode
See “DQ5: Exceeded Timing Limits” for more information.
Embedded Program Algorithm
Embedded Erase Algorithm
Reading within Erase
Suspended Sector
Reading within Non-Erase
Suspended Sector
Erase-Suspend-Program
Operation
Table 5. Write Operation Status
P R E L I M I N A R Y
(Note 1)
DQ7#
DQ7#
DQ7
Data
Am29F040B
0
1
No toggle
Toggle
Toggle
Toggle
DQ6
Data
(Note 2)
Data
DQ5
0
0
0
0
Data
DQ3
N/A
N/A
N/A
1
No toggle
(Note 1)
Toggle
Toggle
Data
DQ2
N/A