IDT
®
Programmable Timing Control Hub for Intel Based Systems 1602F—11/04/11
ICS9LRS3187B
Programmable Timing Control Hub for Intel Based Systems
17
Datasheet
Clock Periods Differential Outputs with Spread Spectrum Enabled
1 Clock 1us 0.1s 0.1s 0.1s 1us 1 Clock
- c-c jitter -SSC -ppm error 0ppm +
m error +SSC + c-c jitter
Absolute
Period
Short-term
Avera
e
Long-Term
Avera
e
Period
Long-Term
Avera
e
Short-term
Avera
e
Absolute
Period
Minimum Minimum Minimum Nominal Maximum Maximum Maximum
SRC 100
9.87400 9.99900 9.99900 10.00000 10.00100 10.05130 10.17630 ns 1,2
CPU 100
9.91400 9.99900 9.99900 10.00000 10.00100 10.05130 10.13630 ns 1,2
CPU 133
7.41425 7.49925 7.49925 7.50000 7.50075 7.53845 7.62345 ns 1,2
CPU 166
5.91440 5.99940 5.99940 6.00000 6.00060 6.03076 6.11576 ns 1,2
CPU 200
4.91450 4.99950 4.99950 5.00000 5.00050 5.02563 5.11063 ns 1,2
CPU 266
3.66463 3.74963 3.74963 3.75000 3.75038 3.76922 3.85422 ns 1,2
CPU 333
2.91470 2.99970 2.99970 3.00000 3.00030 3.01538 3.10038 ns 1,2
CPU 400
2.41475 2.49975 2.49975 2.50000 2.50025 2.51282 2.59782 ns 1,2
Clock Periods Differential Outputs with Spread Spectrum Disabled
1 Clock 1us 0.1s 0.1s 0.1s 1us 1 Clock
- c-c jitter -SSC -ppm error 0ppm +
m error +SSC + c-c jitter
Absolute
Period
Short-term
Avera
e
Long-Term
Avera
e
Period
Long-Term
Avera
e
Short-term
Avera
e
Absolute
Period
Minimum Minimum Minimum Nominal Maximum Maximum Maximum
SRC 100
9.87400 9.99900 10.00000 10.00100 10.17630 ns 1,2
CPU 100
9.91400 9.99900 10.00000 10.00100 10.13630 ns 1,2
CPU 133
7.41425 7.49925 7.50000 7.50075 7.62345 ns 1,2
CPU 166
5.91440 5.99940 6.00000 6.00060 6.11576 ns 1,2
CPU 200
4.91450 4.99950 5.00000 5.00050 5.11063 ns 1,2
CPU 266
3.66463 3.74963 3.75000 3.75038 3.85422 ns 1,2
CPU 333
2.91470 2.99970 3.00000 3.00030 3.10038 ns 1,2
CPU 400
2.41475 2.49975 2.50000 2.50025 2.59782 ns 1,2
DOT 96
10.16560 10.41560 10.41670 10.41770 10.66770 ns 1,2
Notes:
1
Guaranteed b
desi
n and characterization, not 100% tested in
roduction.
2
All Lon
Term Accurac
and Clock Period s
ecifications are
uaranteed assumin
that REFOUT is at 14.31818MHz
Signal Name Signal Name
Measurement Window
Units Notes
Symbol
Definition
Measurement Window
Units Notes
Symbol
Definition