AM29F040B-55EF Spansion Inc., AM29F040B-55EF Datasheet - Page 19

• Manufacturer Part Number: AM29F040B-55EF
• Description: IC, FLASH, 4MBIT, 55NS, TSOP-32
• Manufacturer: Spansion Inc.

Specifications of AM29F040B-55EF

• Memory Type: Flash
• Memory Size: 4Mbit
• Memory Configuration: 512K X 8
• Access Time: 55ns
• Supply Voltage Range: 4.75V To 5.25V
• Memory Case Style: TSOP
• No. Of Pins: 32
• Cell Type: NOR
• Density: 4Mb
• Access Time (max): 55ns
• Interface Type: Parallel
• Boot Type: Not Required
• Address Bus: 19b
• Operating Supply Voltage (typ): 5V
• Operating Temp Range: -40C to 85C
• Package Type: TSOP
• Program/erase Volt (typ): 5V
• Sync/async: Asynchronous
• Operating Temperature Classification: Industrial
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Word Size: 8b
• Number Of Words: 512K
• Supply Current: 30mA
• Mounting: Surface Mount
• Pin Count: 32
• 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.
August 3, 2009 21445E7
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