IDT®

PC MAIN CLOCK

1484F—08/10/12

ICS9LPRS525

PC MAIN CLOCK

7

CPU

SRC/SATA

DOT96

BMC133

100

100

100

100

ppm

85

85

250

125

ps

-0.50%

-0.50%

0

-0.50%

%

Clock Periods - Differential Outputs with Spread Spectrum Disabled

1 Clock

1us

0.1s

0.1s

0.1s

1us

1 C lock

-c2c jitter

AbsPer

Min

-SSC

Short-

Term

Average

Min

- ppm

Long-

Term

Average

Min

0 ppm

Period

Nominal

+ ppm

Long-

Term

Average

Max

+SSC

Short-

Term

Average

Max

+c2c jitter

AbsPer

Max

100.00

9.91400

9.99900

10.00000 10.00100

10.08600

ns

1,2

133.33

7.41425

7.49925

7.50000

7.50075

7.58575

ns

1,2

166.67

5.91440

5.99940

6.00000

6.00060

6.08560

ns

1,2

200.00

4.91450

4.99950

5.00000

5.00050

5.08550

ns

1,2

266.67

3.66462

3.74962

3.75000

3.75037

3.83537

ns

1,2

333.33

2.91470

2.99970

3.00000

3.00030

3.08530

ns

1,2

400.00

2.41475

2.49975

2.50000

2.50025

2.58525

ns

1,2

SRC/SATA

100.00

9.91400

9.99900

10.00000 10.00100

10.08600

ns

1,2

DOT96

96.00

10.16563

10.41563 10.41667 10.41771

10.66771

ns

1,2

Clock Periods - Differential Outputs with Spread Spectrum Enabled

1 Clock

1us

0.1s

0.1s

0.1s

1us

1 C lock

-c2c jitter

AbsPer

Min

-SSC

Short-

Term

Average

Min

- ppm

Long-

Term

Average

Min

0 ppm

Period

Nominal

+ ppm

Long-

Term

Average

Max

+SSC

Short-

Term

Average

Max

+c2c jitter

AbsPer

Max

99.75

9.91406

9.99906

10.02406 10.02506 10.02607

10.05107

10.13607

ns

1,2

133.00

7.41430

7.49930

7.51805

7.51880

7.51955

7.53830

7.62330

ns

1,2

166.25

5.91444

5.99944

6.01444

6.01504

6.01564

6.03064

6.11564

ns

1,2

199.50

4.91453

4.99953

5.01203

5.01253

5.01303

5.02553

5.11053

ns

1,2

266.00

3.66465

3.74965

3.75902

3.75940

3.75977

3.76915

3.85415

ns

1,2

332.50

2.91472

2.99972

3.00722

3.00752

3.00782

3.01532

3.10032

ns

1,2

399.00

2.41477

2.49977

2.50602

2.50627

2.50652

2.51277

2.59777

ns

1,2

SRC

99.75

9.91406

9.99906

10.02406 10.02506 10.02607

10.05107

10.13607

ns

1,2

1Guaranteed by design and characterization, not 100% tested in production.

Cycle to Cycle Jitter

Differential Clock Tolerances - SPEC

PPM tolerance

Spread

SSC OFF

Center

Freq.

MHz

Measurement Window

Units Notes

Center

Freq.

MHz

Measurement Window

Units Notes

CPU

2

All Long Term Accuracy specifications are guaranteed with the assumption that the crystal input is tuned to exactly

14.31818MHz.

CPU

SSC ON