AM29F040B-90ED Spansion Inc., AM29F040B-90ED Datasheet - Page 19

• Manufacturer Part Number: AM29F040B-90ED
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of AM29F040B-90ED

• Memory Size: 4Mbit
• Memory Configuration: 512K X 8
• Ic Interface Type: Parallel
• Access Time: 90ns
• Memory Case Style: TSOP
• No. Of Pins: 32
• Operating Temperature Range: 0°C To +70°C
• Termination Type: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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.
November 1, 2006 21445E5
Standard
Mode
Erase
Suspend
Mode
See
“DQ5: Exceeded Timing Limits”
Embedded Program Algorithm
Embedded Erase Algorithm
Reading within Erase
Suspended Sector
Reading within Non-Erase
Suspended Sector
Erase-Suspend-Program
Operation
for more information.
Table 5. Write Operation Status
D A T A
(Note
DQ7#
DQ7#
DQ7
Data
0
1
Am29F040B
1)
S H E E T
No toggle
Toggle
Toggle
Toggle
DQ6
Data
(Note
Data
DQ5
0
0
0
0
2)
DQ3
Data
N/A
N/A
N/A
1
No toggle
(Note
Toggle
Toggle
DQ2
Data
N/A
1)
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