14

ICS951412B

1232A—06/12/06

Electrical Characteristics - PCI33, HTT66 Clocks

TA = 0 - 70°C; VDD=3.3V +/-5%; CL = 30 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

66.67MHz output nominal

14.9955

15.0045

ns

2

66.67MHz output spread

14.9955

15.0799

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

-46

mA

1

VOH@ MAX = 3.135 V

-50

-80

mA

1

VOL @ MIN = 1.95 V

47

64

mA

1

VOL @ MAX = 0.4 V

58

91

mA

1

Edge Rate

δV/δt

Rising edge rate

1

4

V/ns

1

Edge Rate

δV/δt

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

Skew

tsk1

VT = 1.5 V

500

ps

1

Jitter, Cycle to cycle

tjcyc-cyc

VT = 1.5 V

180

ps

1

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

PCI33 Clock period

Tperiod

HTT66 Clock period

Tperiod

2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that REF

is at 14.31818MHz

Output High Current

IOH

Output Low Current

IOL