AM29F400BB-90SE Spansion Inc., AM29F400BB-90SE Datasheet - Page 23

• Manufacturer Part Number: AM29F400BB-90SE
• Description: Flash Mem Parallel 5V 4M-Bit 512K x 8/256K x 16 90ns 44-Pin SO
• Manufacturer: Spansion Inc.

Specifications of AM29F400BB-90SE

• Package: 44SO
• Cell Type: NOR
• Density: 4 Mb
• Architecture: Sectored
• Block Organization: Asymmetrical
• Location Of Boot Block: Bottom
• Typical Operating Supply Voltage: 5 V
• Sector Size: 8KByte x 2|16KByte x 1|32KByte x 1|64KByte x 7
• Timing Type: Asynchronous
• Operating Temperature: -55 to 125 °C
• Interface Type: Parallel

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 status information. Refer to the appropriate subsection for further details.
November 11, 2009 21505E8
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 6. Write Operation Status
(Note 2)
D A T A
DQ7#
DQ7#
Data
DQ7
0
1
Am29F400B
No toggle
Toggle
Toggle
Toggle
Data
DQ6
S H E E T
(Note 1)
DQ5
Data
0
0
0
0
DQ3
Data
N/A
N/A
N/A
1
No toggle
(Note 2)
Toggle
Toggle
DQ2
Data
N/A
RY/BY#
0
0
1
1
0
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