
IDTTM
Progammable Timing Control HubTM for Next Gen P4TM Processor
701J—01/25/10
ICS952601
Programmable Timing Control HubTM for Next Gen P4TM Processor
7
Electrical Characteristics - 3V66 Mode: 3V66 [4:0]
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppm
see Tperiod min-max values
-300
300
ppm1,2
66.66MHz output nominal
14.9955
15
15.0045
ns
2
66.66MHz output spread
14.9955
15.0799
ns
2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
V OH @ MIN = 1.0 V
-33
mA
VOH @ MAX = 3.135 V
-33
mA
VOL @ MIN = 1.95 V
30
mA
VOL @ MAX = 0.4 V
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
1.92
2
ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
1.97
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
53.1
55
%
1
Skew
tsk1
VT = 1.5 V
38
250
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V 3V66
139
250
ps
1
1Guaranteed by design, not 100% tested in production.
Clock period
Tperiod
2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at
14.31818MHz
Output High Current
IOH
Output Low Current
IOL
Electrical Characteristics - PCICLK/PCICLK_F
TA = 0 - 70°C; VDD = 3.3 V +/-5%; CL = 10-30 pF (unless otherwise specified)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Notes
Long Accuracy
ppmsee Tperiod min-max values
-300
300
ppm1,2
33.33MHz output nominal
29.9910
30
30.0090
ns
2
33.33MHz output spread
29.9910
30.1598
ns
2
Output High Voltage
VOH
IOH = -1 mA
2.4
V
Output Low Voltage
VOL
IOL = 1 mA
0.55
V
V OH @MIN = 1.0 V
-33
mA
VOH@ MAX = 3.135 V
-33
mA
VOL @ MIN = 1.95 V
30
mA
VOL @ MAX = 0.4 V
38
mA
Edge Rate
Rising edge rate
1
4
V/ns
1
Edge Rate
Falling edge rate
1
4
V/ns
1
Rise Time
tr1
VOL = 0.4 V, VOH = 2.4 V
0.5
1.92
2
ns
1
Fall Time
tf1
VOH = 2.4 V, VOL = 0.4 V
0.5
1.9
2
ns
1
Duty Cycle
dt1
VT = 1.5 V
45
51.4
55
%
1
Skew
tsk1
VT = 1.5 V
18
500
ps
1
Jitter
tjcyc-cyc
VT = 1.5 V 3V66
92
250
ps
1
1Guaranteed by design, not 100% tested in production.
Clock period
Tperiod
2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is
at 14.31818MHz
Output High Current
IOH
Output Low Current
IOL