AM29F016 Advanced Micro Devices, AM29F016 Datasheet - Page 19

• Manufacturer Part Number: AM29F016
• Description: 16-Megabit (2/097/152 x 8-Bit) CMOS 5.0 Volt-only/ Sector Erase Flash Memory
• Manufacturer: Advanced Micro Devices

EMBEDDED ALGORITHMS
To insure the command has been accepted, the system software should check the status of DQ3 prior to and following
each subsequent sector erase command. If DQ3 were high on the second status check, the command may not have
been accepted.
Chip Erase Command Sequence
(Address/Command):
2AAAH/55H
2AAAH/55H
5555H/AAH
5555H/80H
5555H/AAH
5555H/10H
Figure 2. Embedded Erase Algorithm
Write Erase Command Sequence
Data Polling or Toggle Bit I
Successfully Completed
Erasure Completed
(see below)
Am29F016
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
18805C-7
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