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ICS9248-126
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Electrical Characteristics - SDRAM
T
A
= 0 - 70
o
C; V
DD
= 3.3 V +/-5%, V
DDL
= 2.5 V +/-5%; C
L
= 30 pF (unless otherwise stated)
PARAMETER
SYMBOL
Output Impedance
R
DSP2A
V
O
=V
DD
*(0.5)
Output Impedance
R
DSN2A
V
O
=V
DD
*(0.5)
Output High Voltage
V
OH3
I
OH
= -25 mA
Output Low Voltage
V
OL3
I
OL
= 20 mA
Output High Current
I
OH3
V
OH
= 2.0 V
Output Low Current
I
OL3
V
OL
= 0.8 V
Rise Time
T
r3
V
OL
= 0.4 V, V
OH
= 2.4 V
Fall Time
T
f3
V
OH
= 2.4 V, V
OL
= 0.4 V
Duty Cycle
D
t3
V
T
= 1.5 V
Skew
1
(0-1,2,4,5,7,10,11)
T
sk1
V
T
= 1.5 V
Skew
1
(0-6,6,8,9,12,13)
T
sk1
V
T
= 1.5 V
Jitter, Cycle-to-cycle
t
jcyc
V
T
= 1.5 V
1
Guarenteed by design, not 100% tested in production.
CONDITIONS
MIN
10
10
2.4
TYP
17
18
2.9
0.32
-73
50
1.14
1.38
51.8
155.5
298.5
369.17
MAX
20
20
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
ps
1
1
0.4
-40
41
0.4
0.4
47
1
2
2
1
1
57
250
500
650
Electrical Characteristics - PCI
T
A
= 0 - 70C; V
DD
= 3.3 V +/-5%; V
DDL
= 2.5 V +/-5%; C
L
= 30 pF
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
V
V
mA
mA
ns
ns
%
ps
ps
Output Impedance
Output Impedance
Output High Voltage
Output Low Voltage
Output High Current
Output Low Current
Rise Time
1
Fall Time
1
Duty Cycle
1
Skew
1
Jitter, Cycle-to-cycle
R
DSP1
R
DSP1
V
OH2
V
OL2
I
OH2
I
OL2
t
r2
t
f2
d
t2
t
sk2
t
jcyc2
1
V
O
=V
DD
*(0.5)
V
O
=V
DD
*(0.5)
I
OH
= -18 mA
I
OL
= 9.4 mA
V
OH
= 2.0 V
V
OL
= 0.8 V
V
OL
= 0.4 V, V
OH
= 2.4 V
V
OH
= 2.4 V, V
OL
= 0.4 V
V
T
= 1.5 V
V
T
= 1.5 V
V
T
= 1.5 V
12
12
2.4
21
21
3.3
0.17
-62
43
1.62
1.81
49.8
200
306
55
55
1
0.4
-33
38
2.2
2.2
55
500
350
45
-350
1
Guaranteed by design, not 100% tested in production.