參數(shù)資料
型號: ICS950602yGT
英文描述: Programmable Timing Control Hub for PII/III
中文描述: 可編程定時控制中心,為PII /三
文件頁數(shù): 12/16頁
文件大?。?/td> 147K
代理商: ICS950602YGT
12
Integrated
Circuit
Systems, Inc.
ICS950602
0469B—12/18/02
Electrical Characteristics - SDRAM
T
A
= 0 - 70°C; V
DD
=3.3V +/-5%; C
L
= 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
Output Impedance
1
R
DSP5
Vo=V
DD
*(0.5)
Output Impedance
1
R
DSN5
Vo=V
DD
*(0.5)
Output High Voltage
V
OH5
I
OH
= -1 mA
Output Low Voltage
V
OL5
I
OL
= 1 mA
V
OH@MIN
= 2 V
V
OH@MAX
= 3.135V
V
OL@MIN
= 1 V
V
OL@MAX
=0.4V
Rise Time
t
r5
V
OL
= 0.4 V, V
OH
= 2.4 V
Fall Time
t
f5
V
OH
= 2.4 V, V
OL
= 0.4 V
Duty Cycle
d
t5
V
T
= 1.5 V
Skew
t
sk5
V
T
= 1.5 V
Propagation delay
SDRAM_IN to
SDRAM
1
Guaranteed by design, not 100% tested in production.
CONDITIONS
MIN
10
10
2.4
TYP
MAX
24
24
UNITS
V
V
0.4
-46
-54
54
53
1.6
1.6
55
250
1
0.4
0.4
45
1.1
0.75
50
30
ns
ns
%
ps
1
1
1
t
pdel5
1
V
T
= 1.5 V
2.95
4
ns
Output High Current
I
OH5
mA
Output Low Current
I
OL5
mA
Electrical Characteristics - REF
T
A
= 0 - 70°C; V
DD
=3.3V +/-5%; C
L
= 10-20 pF (unless otherwise specified)
PARAMETER
SYMBOL
Output Frequency
F
O4
Output Impedance
R
DSP4
V
O
= V
DD
*(0.5)
Output High Voltage
V
OH4
I
OH
= -1 mA
Output Low Voltage
V
OL4
I
OL
= 1 mA
Output High Current
I
OH4
V
OH@MIN
= 1.0 V, V
OH@MAX
= 3.135 V
Output Low Current
I
OL4
V
OL @MIN
= 1.95 V, V
OL @MAX
= 0.4 V
Rise Time
t
r4
V
OL
= 0.4 V, V
OH
= 2.4 V
Fall Time
t
f4
V
OH
= 2.4 V, V
OL
= 0.4 V
Duty Cycle
d
t1
V
T
= 1.5 V
Jitter, cycle-to-cycle
t
jcyc-cyc4
V
T
= 1.5 V
1
Guaranteed by design, not 100% tested in production.
CONDITIONS
MIN
TYP
14.318
MAX
UNITS
MHz
V
V
mA
mA
ns
ns
%
ps
1
1
20
2.4
60
1
1
0.4
-23
27
4
4
56
550
1
-29
29
1
1
45
1
1
1.85
1.95
55.7
365
1
1
1
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