AT49LV321-90CI Atmel, AT49LV321-90CI Datasheet - Page 20
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AT49LV321-90CI
Manufacturer Part Number
AT49LV321-90CI
Description
IC FLASH 32MBIT 90NS 48CBGA
Manufacturer
Atmel
Datasheet
1.AT49BV320-11TI.pdf
(30 pages)
Specifications of AT49LV321-90CI
Format - Memory
FLASH
Memory Type
FLASH
Memory Size
32M (4Mx8, 2Mx16)
Speed
90ns
Interface
Parallel
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
48-CBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AC Read Characteristics
AC Read Waveforms
Notes:
20
Symbol
t
t
t
t
t
t
t
RC
ACC
CE
OE
DF
OH
RO
(3)(4)
(1)
(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.
AT49BV/LV320(T)/321(T)
without impact on t
Parameter
Read Cycle Time
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
RESET to Output Delay
DF
is specified from OE or CE, whichever occurs first (CL = 5 pF).
RESET
ACC
OUTPUT
ADDRESS
(1)(2)(3)(4)
OE
CE
.
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
AT49BV/LV32X(T)-85
Min
0
0
0
tACC
tRO
ADDRESS VALID
tCE
tOE
tRC
Max
100
85
85
85
40
25
AT49BV/LV32X(T)-90
OUTPUT
VALID
Min
0
0
0
tOH
tDF
Max
100
90
90
90
40
25
CE
ACC
or by t
.
AT49BV/LV32X(T)-11
ACC
Min
0
0
0
- t
OE
after an address change
Max
110
110
110
100
45
30
1494H–FLASH–01/03
Units
ns
ns
ns
ns
ns
ns
ns