AM29F040 AMD [Advanced Micro Devices], AM29F040 Datasheet - Page 15

• Manufacturer Part Number: AM29F040
• Description: 4 Megabit (524,288 x 8-Bit) CMOS 5.0 Volt-only, Sector Erase Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

EMBEDDED ALGORITHMS
Chip Erase Command Sequence
(Address/Command):
2AAAH/55H
2AAAH/55H
5555H/AAH
5555H/AAH
5555H/80H
5555H/10H
Figure 2. Embedded Erase Algorithm
Write Erase Command Sequence
Data Polling or Toggle Bit
Successfully Completed
Erasure Completed
(see below)
Am29F040
Start
Individual Sector/Multiple Sector
Erase Command Sequence
(Address/Command):
Sector Address/30H
Sector Address/30H
Sector Address/30H
2AAAH/55H
2AAAH/55H
5555H/AAH
5555H/AAH
5555H/80H
Additional sector
erase commands
are optional
17113E-8
15