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

• Manufacturer Part Number: AM29F040B-90JI
• Description: IC, FLASH, 4MBIT, 90NS, LCC-32
• Manufacturer: Spansion Inc.

Specifications of AM29F040B-90JI

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8
• Access Time: 90ns
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: PLCC
• No. Of Pins: 32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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 11, 2009 21445E8
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)
17