AM29F040B-90JF Spansion Inc., AM29F040B-90JF Datasheet - Page 25
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AM29F040B-90JF
Manufacturer Part Number
AM29F040B-90JF
Description
IC, FLASH, 4MBIT, 90NS, LCC-32
Manufacturer
Spansion Inc.
Specifications of AM29F040B-90JF
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
Cell Type
NOR
Density
4Mb
Access Time (max)
90ns
Interface Type
Parallel
Boot Type
Not Required
Address Bus
19b
Operating Supply Voltage (typ)
5V
Operating Temp Range
-40C to 85C
Package Type
PLCC
Program/erase Volt (typ)
4.5 to 5.5V
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
4.5V
Operating Supply Voltage (max)
5.5V
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.
August 3, 2009 21445E7
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
Progress
In
D
OUT
PA
VA
Complete
23