8

ICS950805

0649H—02/25/05

Electrical Characteristics - CPU

TA = 0 - 70C; VDD=3.3V +/-5%; CL = 10-20 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Current Source

Output Impedance

Zo

1

VO = Vx

3000

W

Output High Voltage

VOH3

IOH = -1 mA

2.4

V

Output Low Voltage

VOL3

IOL = 1 mA

0.4

Rise Time

tr3

VOL = 0.41V, VOH = 0.86V

175

240

700

ps

Fall Time

tf3

VOH = 0.86V VOL = 0.41V

175

242

700

ps

Duty Cycle

dt3

measurement from differential wavefrom -

0.35V to +035V

45

51

55

%

Skew

tsk3

VT = 50%

50

100

ps

Jitter, Cycle to cycle

tjcyc-cyc

1

VT = 50%

76

150

ps

1Guaranteed by design, not 100% tested in production.

2 I

OWT can be varied and is selectable thru the MULTSEL pin.

Electrical Characteristics - PCICLK Buffered Mode

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

FO1

MHz

Output Impedance

RDSP1

1

VO = VDD*(0.5)

12

33

55

W

Output High Voltage

VOH

1

IOH = -1 mA

2.4

V

Output Low Voltage

VOL

1

IOL = 1 mA

0.55

V

Output High Current

IOH

1

V OH@MIN = 1.0 V, V OH@MAX = 3.135 V

-33

-33

mA

Output Low Current

IOL

1

VOL @MIN = 1.95 V, VOL @MAX = 0.4 V

30

38

mA

Rise Time

tr1

1

VOL = 0.4 V, VOH = 2.4 V

0.5

1.29

0.5to 2

ns

Fall Time

tf1

1

VOH = 2.4 V, VOL = 0.4 V

0.5

1.32

0.5 to 2

ns

Duty Cycle

dt1

1

VT = 1.5 V

45

51.9

55

%

Skew

tsk1

1

VT = 1.5 V

209

500

ps

Jitter,cycle to cyc

tjcyc-cyc

1 V

T = 1.5 V (Additive)

60

100

ps

1Guaranteed by design, not 100% tested in production.