o

o

o

o

o

CLKn

Q0

Q1

Q2

Q9

CLKn

Q0

Q1

Q2

Q9

CDCLVP111

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SCAS859D – JANUARY 2009 – REVISED MARCH 2010

LVPECL DC ELECTRICAL CHARACTERISTICS (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

-40°C

Low-level output

25°C

V

voltage

85°C

Differential output

Terminated with 50

Ω to

-40°C, 25°C, 85°C

600

mV

voltage swing

AC ELECTRICAL CHARACTERISTICS

free-air temperature range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Differential propagation delay CLKn,

See

200

350

ps

CLKn to all Q0, Q0… Q9, Q9

Output-to-output skew

See , and Figure 1

15

30

ps

Part-to-part skew

See , and Figure 1

70

ps

Integration bandwidth of 20 kHz to 20 MHz,

Additive phase jitter

0.04

< 0.8

ps

fout = 125 MHz at 25°C

Maximum frequency

Functional up to 3.5 GHz, see Figure 3

3500

MHz

Output rise and fall time (20%, 80%)

See

90

200

ps

A.

B.

multiple devices.

C.

Typical value measured at ambient when clock input is 155.52MHz for an integration bandwidth of 20 kHz to 5 MHz.

D.

Figure 1. Waveform for Calculating Both Output and Part-to-Part Skew

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