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ICS9LPRS464 Datasheet, PDF (8/23 Pages) Integrated Device Technology – System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs
ICS9LPRS464
System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUss
Electrical Characteristics - REF-14.318MHz
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
Long Accuracy
ppm
see Tperiod min-max values
-100
0
100
Clock period
Tperiod
14.318MHz output nominal 69.8270 69.84
69.8550
Clock Low Time
Tlow
Measure from < 0.6V
30.9290
37.9130
Clock High Time
Thigh
Measure from > 2.0V
30.9290
37.9130
Output High Voltage
VOH
IOH = -1 mA
2.4
Output Low Voltage
VOL
IOL = 1 mA
0.4
Output High Current
IOH
VOH @MIN = 1.0 V,
-29
VOH@MAX = 3.135 V
-23
Output Low Current
IOL
VOL @MIN = 1.95 V,
VOL @MAX = 0.4 V
29
27
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
1
1.5
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
1
1.5
Skew
tsk1
VT = 1.5 V
100
Duty Cycle
dt1
VT = 1.5 V
45
55
Jitter
tjcyc-cyc
VT = 1.5 V
300
*TA = 0 - 70°C; Supply Voltage VDD = 3.3 V +/-5%, CL = 5 pF with Rs = 33Ω (unless otherwise specified)
1Guaranteed by design and characterization, not 100% tested in production.
2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz
UNITS
ppm
ns
ns
ns
V
V
mA
Notes
1,2
2
2
2
1
1
1
mA
1
ns
1
ns
1
ps
1
%
1
ps
1
IDTTM/ICSTM System Clock Chip for ATI RS/RD600 series chipsets using AMD CPUs
8
1377A—04/07/08