ICS9LRS3187B Datasheet, PDF (17/20 Pages) Integrated Device Technology – PROGRAMMABLE TIMING CONTROL HUB FOR INTEL BASED SYSTEMS

ICS9LRS3187B
Programmable Timing Control Hub for Intel Based Systems
Datasheet
Clock Periods Differential Outputs with Spread Spectrum Enabled
Measurement Window
Symbol
Definition
SRC 100
CPU 100
CPU 133
CPU 166
CPU 200
CPU 266
CPU 333
CPU 400
1 Clock
- c-c jitter
Absolute
Period
Minimum
9.87400
9.91400
7.41425
5.91440
4.91450
3.66463
2.91470
2.41475
1us
0.1s
-SSC -ppm error
Short-term Long-Term
Average Average
Minimum Minimum
9.99900 9.99900
9.99900 9.99900
7.49925 7.49925
5.99940 5.99940
4.99950 4.99950
3.74963 3.74963
2.99970 2.99970
2.49975 2.49975
0.1s
0.1s
1us
1 Clock
0ppm
Period
+ ppm error +SSC + c-c jitter
Long-Term Short-term Absolute
Average Average Period
Nominal Maximum Maximum Maximum _{Units Notes}
10.00000 10.00100 10.05130 10.17630 ns 1,2
10.00000 10.00100 10.05130 10.13630 ns 1,2
7.50000 7.50075 7.53845 7.62345 ns 1,2
6.00000 6.00060 6.03076 6.11576 ns 1,2
5.00000 5.00050 5.02563 5.11063 ns 1,2
3.75000 3.75038 3.76922 3.85422 ns 1,2
3.00000 3.00030 3.01538 3.10038 ns 1,2
2.50000 2.50025 2.51282 2.59782 ns 1,2
Clock Periods Differential Outputs with Spread Spectrum Disabled
Measurement Window
1 Clock
1us
0.1s
0.1s
0.1s
1us
1 Clock
Symbol
Definition
- c-c jitter -SSC -ppm error
Absolute Short-term Long-Term
Period Average Average
0ppm
Period
+ ppm error +SSC + c-c jitter
Long-Term Short-term Absolute
Average Average Period
Minimum Minimum Minimum Nominal Maximum Maximum Maximum _{Units Notes}
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 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}
IDT^® Programmable Timing Control Hub for Intel Based Systems
17
1602F—11/04/11