14

Integrated

Circuit

Systems, Inc.

ICS950208

0464B—08/04/03

Electrical Characteristics - CPUCLKT/C

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Current Source Output

Impedance

Zo

Vo = Vx

3000

Ω

Output High Voltage

1.08

1.2

V

Output High Current

-14.81

mA

Rise Time

1

175

328

700

ps

Fall Time

1

175

312

700

ns

Duty Cycle

1

45

50

55

%

Differential Crossover

Voltage

1

Vx

Note 3

280

290

430

mV

Skew

1

35

100

ps

Jitter, Cycle-to-cycle1

tjcyc-cyc

100

150

ps

Electrical Characteristics - PCICLK

TA = 0 - 70°C; VDD = 3.3V +/-5%; CL= 10- 30pF (unless otherwise stated)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

F01

33.33

MHz

Output Impedance

VO = VDD*(0.5)

12

55

Ω

Output High Voltage

2.4

V

Output Low Voltage

0.55

V

-33

-33

30

38

Rise Time

tr1

0.5

1.94

2

ns

Fall Time

tf1

0.5

1.78

2

ns

Duty Cycle

dt1

45

51.9

55

%

Skew

tsk1

133

500

ps

Jitter

tjcyc-cyc

225

250

ps

Output High Current

mA

Output Low Current

mA