AT49F040A-55JI Atmel, AT49F040A-55JI Datasheet - Page 8
![IC FLASH 4MBIT 55NS 32PLCC](/photos/7/21/72190/453-32-plcc_sml.jpg)
AT49F040A-55JI
Manufacturer Part Number
AT49F040A-55JI
Description
IC FLASH 4MBIT 55NS 32PLCC
Manufacturer
Atmel
Datasheet
1.AT49F040A-55JI.pdf
(17 pages)
Specifications of AT49F040A-55JI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
4M (512K x 8)
Speed
55ns
Interface
Parallel
Voltage - Supply
4.5 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Package / Case
32-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
12. AC Read Characteristics
13. AC Read Waveforms
Notes:
8
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
(1)
(3)(4)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
AT49F040A
without impact on t
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or Address,
whichever occurred first
is specified from OE or CE whichever occurs first (CL = 5 pF).
ACC
.
ACC
CE
ADDRESS
(1)(2)(3)(4)
- t
OUTPUT
- t
OE
CE
after the falling edge of CE without impact on t
OE
CE
after the address transition without impact on t
HIGH Z
ADDRESS
t
ACC
Min
t
0
0
0
CE
AT49F040A-55
t
OE
VALID
OUTPUT
VALID
Max
55
55
30
25
t
OH
t
DF
CE
ACC
Min
or by t
0
0
0
AT49F040A-70
.
ACC
- t
OE
Max
after an address change
70
70
35
25
3359D–FLASH–3/05
Units
ns
ns
ns
ns
ns