AM29F040B-55EF Spansion Inc., AM29F040B-55EF Datasheet - Page 26

• 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

AC CHARACTERISTICS
Note:
SA = Sector Address. VA = Valid Address for reading status data.
24
Note: PA = program address, PD = program data, D
Addresses
Addresses
WE#
Data
OE#
CE#
V
WE#
Data
OE#
CE#
CC
V
CC
t
t
VCS
VCS
Program Command Sequence (last two cycles)
t
Erase Command Sequence (last two cycles)
555h
CS
t
CS
t
2AAh
WC
t
WC
Figure 10. Chip/Sector Erase Operation Timings
t
WP
t
DS
t
t
WP
55h
Figure 9. Program Operation Timings
DS
A0h
t
t
DH
CH
t
DH
t
CH
555h for chip erase
D A T A
t
WPH
t
WPH
OUT
t
AS
PA
t
AS
Am29F040B
SA
is the true data at the program address.
10 for Chip Erase
t
S H E E T
AH
PD
t
AH
30h
t
WHWH1
Read Status Data (last two cycles)
t
PA
WHWH2
Read Status Data
Status
VA
21445E8 November 11, 2009
Progress
In
D
OUT
PA
VA
Complete