5

Integrated

Circuit

Systems, Inc.

ICS952621

0756A—09/10/04

Electrical Characteristics - CPU & SRC 0.7V Current Mode Differential Pair

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Current Source Output

Impedance

Zo

1

3000

Ω

1

Voltage High

VHigh

660

749

850

1

Voltage Low

VLow

-150

3

150

1

Max Voltage

Vovs

756

1150

1

Min Voltage

Vuds

-300

-7

1

Crossing Voltage (abs)

Vcross(abs)

250

350

550

mV

1

Crossing Voltage (var)

d-Vcross

Variation of crossing over all

edges

12

140

mV

1

Long Accuracy

ppm

see Tperiod min-max values

-300

0

300

ppm1,2

200MHz nominal

4.9985

5.0000

5.0015

ns

2

200MHz spread

4.9985

5.0266

ns

2

166.66MHz nominal

5.9982

6.0000

6.0018

ns

2

166.66MHz spread

5.9982

6.0320

ns

2

133.33MHz nominal

7.4978

7.5000

7.5023

ns

2

133.33MHz spread

7.4978

5.4000

ns

2

100.00MHz nominal

9.9970 10.0000 10.0030

ns

2

100.00MHz spread

9.9970

10.0533

ns

2

200MHz nominal

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

279

700

ps

1

Fall Time

175

280

700

ps

1

Rise Time Variation

30

125

ps

1

Fall Time Variation

30

125

ps

1

Duty Cycle

Measurement from differential

wavefrom

45

50.9

55

%

1

Skew

8

100

ps

1

Jitter, Cycle to cycle

Measurement from differential

wavefrom

40

125

ps

1

SRC clock outputs run at only 100MHz or 200MHz, specs for 133.33 and 166.66 do not apply to SRC clock pair.

14.31818MHz

Tperiod

Average period

Absolute min period

Statistical measurement on single

ended signal using oscilloscope

math function.

mV

Measurement on single ended

signal using absolute value.

mV