7

Integrated

Circuit

Systems, Inc.

ICS954101

0815D—06/21/04

Electrical Characteristics - CPU 0.7V Current Mode Differential Pair

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Current Source Output

Impedance

Zo

3000

1

Voltage High

VHigh

660

850

1

Voltage Low

VLow

-150

150

1

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

-300

300

ppm1,2

400MHz nominal

2.4993

2.5008

ns

2

400MHz spread

2.4993

2.5133

ns

2

333.33MHz nominal

2.9991

3.0009

ns

2

333.33MHz spread

2.9991

3.016

ns

2

266.66MHz nominal

3.7489

3.7511

ns

2

266.66MHz spread

3.7489

3.77

ns

2

200MHz nominal

4.9985

5.0015

ns

2

200MHz spread

4.9985

5.0266

ns

2

166.66MHz nominal

5.9982

6.0018

ns

2

166.66MHz spread

5.9982

6.0320

ns

2

133.33MHz nominal

7.4978

7.5023

ns

2

133.33MHz spread

7.4978

5.4000

ns

2

100.00MHz nominal

9.9970

10.0030

ns

2

100.00MHz spread

9.9970

10.0533

ns

2

400MHz nominal/spread

2.4143

ns

1,2

333.33MHz nominal/spread

2.9141

ns

1,2

266.66MHz nominal/spread

3.6639

ns

1,2

200MHz nominal/spread

4.8735

ns

1,2

166.66MHz nominal/spread

5.8732

ns

1,2

133.33MHz nominal/spread

7.3728

ns

1,2

100.00MHz nominal/spread

9.8720

ns

1,2

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

100

ps

1

Skew

150

ps

1

Jitter, Cycle to cycle

Measurement from differential

wavefrom

85

ps

1

Absolute min period

Statistical measurement on single

ended signal using oscilloscope

math function.

mV

Measurement on single ended

signal using absolute value.

mV

Average period

Tperiod