9DB1233 datasheet(8/15 Pages) ICST

8 / 15 page

IDT® Twelve Output Differential Buffer for PCIe Gen3

9DB1233

Twelve Output Differential Buffer for PCIe Gen3

1675B—11/08/10

Clock Periods Differential Outputs with Spread Spectrum Enabled

1 Clock

1us

0.1s

1us

1 Clock

Lg-

-SSC

-ppm error

0ppm

+ ppm error

+SSC

Lg+

Absolute

Period

Short-term

Average

Long-Term

Average

Period

Long-Term

Average

Short-term

Average

Period

Minimum

Absolute

Period

Minimum

Absolute

Period

Minimum

Absolute

Period

Nominal

Maximum

DIF

DIF 100

9.87400

9.99900

10.00000

10.00100

10.05130

10.17630

1,2,3

Clock Periods Differential Outputs with Spread Spectrum Disabled

1 Clock

1us

0.1s

1us

1 Clock

Lg-

-SSC

-ppm error

0ppm

+ ppm error

+SSC

Lg+

Absolute

Period

Short-term

Average

Long-Term

Average

Period

Long-Term

Average

Short-term

Average

Period

Minimum

Absolute

Period

Minimum

Absolute

Period

Minimum

Absolute

Period

Nominal

Maximum

DIF

DIF 100

9.87400

9.99900

10.00000

10.00100

10.17630

1,2,3

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

3 Driven by SRC output of main clock, PLL or Bypass mode

Measurement

Window

Symbol

2 All Long Term Accuracy specifications are guaranteed with the assumption that the input clock complies with

CK410B+/CK420BQ accuracy requirements. The 9DB1233 itself does not contribute to ppm error.

Notes

Definition

Measurement

Window

Units

Symbol

Definition

Units

9DB1233 Datasheet(PDF) 8 Page - Integrated Circuit Systems

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