18

Integrated

Circuit

Systems, Inc.

ICS951413

0929D—10/30/06

Electrical Characteristics - PCICLK/PCICLK_F

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS Notes

Long Accuracy

ppm

see Tperiod min-max values

-300

300

ppm1,2

33.33MHz output nominal

29.9910

30.0090

ns

2

33.33MHz output spread

29.9910

30.1598

ns

2

Output High Voltage

VOH

IOH = -1 mA

2.4

V

1

Output Low Voltage

VOL

IOL = 1 mA

0.55

V

1

V OH @MIN = 1.0 V

-33

mA

1

VOH@ MAX = 3.135 V

-33

mA

1

VOL @ MIN = 1.95 V

30

mA

1

VOL @ MAX = 0.4 V

38

mA

1

Edge Rate

Rising edge rate

1

4

V/ns

1

Edge Rate

Falling edge rate

1

4

V/ns

1

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

0.5

2

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

0.5

2

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

55

%

1

Jitter

tjcyc-cyc

VT = 1.5 V

250

ps

1

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

2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz

Output Low Current

IOL

Clock period

Tperiod

Output High Current

IOH

Electrical Characteristics - 48MHz, USB

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS Notes

Long Accuracy

ppmsee Tperiod min-max values

-100

100

ppm1,2

Clock period

Tperiod

48.00MHz output nominal

20.8313

20.8354

ns

2

Output High Voltage

VOH

IOH = -1 mA

2.4

V

1

Output Low Voltage

VOL

IOL = 1 mA

0.55

V

1

V OH @ MIN = 1.0 V

-33

mA

1

VOH@ MAX = 3.135 V

-33

mA

1

VOL @MIN = 1.95 V

30

mA

1

VOL @ MAX = 0.4 V

38

mA

1

Edge Rate

Rising edge rate

1

2

V/ns

1

Edge Rate

Falling edge rate

1

2

V/ns

1

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

12

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

12

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

55

%

1

Jitter, Cycle to cycle

tjcyc-cyc

VT = 1.5 V

175

ps

1

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

2 All Long Term Accuracy and Clock Period specifications are guaranteed assuming that REFOUT is at 14.31818MHz

Output Low Current

IOL

Output High Current

IOH