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参数资料
| 型号： | ICS9248-199 |
| 英文描述： | Frequency Generator for SIS 735/740 with AMD K7 Processor |
| 中文描述： | 频率发生器与AMD k7的处理器为SIS的740分之735 |
| 文件页数： | 12/21页 |
| 文件大小： | 181K |
| 代理商： | ICS9248-199 |
12
ICS9248-199
0376E—12/23/02
Electrical Characteristics - CPUCLK (Open Drain)
T
A
= 0 - 70°C; V
DD
=3.3V +/- 5%; C
L
= 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
Output Impedance
Z
O
Output High Voltage
V
OH2B
Output Low Voltage
V
OL2B
Output Low Current
I
OL2B
CONDITIONS
MIN
TYP
50
MAX
UNITS
V
V
mA
1
V
O
=V
X
Termination to Vpull-up(external)
Termination to Vpull-up(external)
V
OL
= 0.3 V
V
OH
= 1.1V, V
OL
= 2.0V
V
OH
= 80% V
DD
, V
OL
= 20% V
DD
Note 2
Note 2
Note 3
CPUT0,C0 between crossing poin
CPUT0,C0 V
T
= 50% V
DD
V
T
= 50%
1
V
T
= V
X
V
T
= 50%
1
1.2
0.4
18
1.7
1.1
2
1.2
Differential voltage-AC
1
Differential voltage-DC
1
Diff Crossover Voltage
1
V
DIF
V
DIF
V
X
0.4
0.2
1.2
45
44
Vpull-up(ext) + 0.6
Vpull-up(ext) + 0.6
1.6
55
55
175
250
250
V
V
V
1.45
53
47
40
105
Skew CPUCLK to CPUT0
1
Jitter, Cycle-to-cycle
1
Jitter, Absolute
1
Notes:
1 - Guaranteed by design, not 100% tested in production.
2 - V
DIF
specifies the minimum input differential voltages (V
TR
-V
CP
) required for switching, where V
TR
is the "true" input level
and V
CP
is the "complement" input level.
3 - Vpull-up(external) = 2.7V, Min=Vpull-up(external)/2-150mV; Max=Vpull-up(external)/2 +150mV
t
sk2B
1
ps
ps
ps
tjcyc-cyc
2B
tjabs
2B
1
-250
%
d
t2B
1
Duty Cycle
1
Fall Time
1
t
f2B
1
ns
Electrical Characteristics - 24MHz, 48MHz, AGP, REF
T
A
= 0 - 70°C; V
DD
= 3.3V +/-5%; C
L
= 20 pF (unless otherwise specified)
PARAMETER
SYMBOL
Output Impedance
1
R
DSP5B
Output Impedance
1
R
DSN5B
Output High Voltage
V
OH5
Output Low Voltage
V
OL5
Output High Current
I
OH5
Output Low Current
I
OL5
Rise Time
1
t
r5
Fall Time
1
t
f5
CONDITIONS
MIN
20
20
2.4
TYP
MAX
60
60
UNITS
V
V
mA
mA
ns
ns
V
O
=V
DD
*(0.5)
V
O
=V
DD
*(0.5)
I
OH
= -14 mA
I
OL
= 6 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 24_48 MHz, AGP
V
T
= 1.5 V REF
V
T
= 1.5 V AGP
V
T
= 1.5 V 24_48 MHz
V
T
= 1.5 V AGP
V
T
= 1.5 V REF
0.4
-20
10
1
1.3
1.3
52
55
100
110
220
375
2
2
1
45
45
55
56
175
500
Skew AGP to AGP
1
t
sk5
1
ps
500
1
Guaranteed by design, not 100% tested in production.
%
Duty Cycle
1
d
t5
1
ps
Jitter, Cycle-to-Cycle
1
t
jcyc-cyc5
1
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