6

Integrated

Circuit

Systems, Inc.

ICS9DB401

1014B—09/07/06

Electrical Characteristics - DIF 0.7V Current Mode Differential Pair

Ω, R

Ω, Ι

REF

= 475Ω

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Current Source Output

Impedance

Zo

1

3000

Ω

1

Voltage High

VHigh

660

850

1,3

Voltage Low

VLow

-150

150

1,3

Max VoltageVovs

1150

1

Min Voltage

Vuds

-300

1

Crossing Voltage (abs)

Vcross(abs)

250

550

mV

1

Crossing Voltage (var)

d-Vcross

Variation of crossing over all

edges

140

mV

1

Long Accuracy

ppmsee Tperiod min-max values

0

ppm1,2

Rise Time

175

700

ps

1

Fall Time

175

700

ps

1

Rise Time Variation

125

ps

1

Fall Time Variation

125

ps

1

Duty Cycle

Measurement from differential

wavefrom

45

55

%

1

Skew

50

ps

1

PLL mode,

Measurement from differential

wavefrom

50

ps

1

BYPASS mode as additive jitter

50

ps

1

Ω (1%), I

Ω.

Statistical measurement on single

ended signal using oscilloscope

math function.

mV

Measurement on single ended

signal using absolute value.

mV

complies with CK409/CK410 accuracy requirements

Jitter, Cycle to cycle