IDTTM

Progammable Timing Control HubTM for Next Gen P4TM Processor

701J—01/25/10

ICS952601

Programmable Timing Control HubTM for Next Gen P4TM Processor

7

Electrical Characteristics - 3V66 Mode: 3V66 [4:0]

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Notes

Long Accuracy

ppm

see Tperiod min-max values

-300

300

ppm1,2

66.66MHz output nominal

14.9955

15

15.0045

ns

2

66.66MHz output spread

14.9955

15.0799

ns

2

Output High Voltage

VOH

IOH = -1 mA

2.4

V

Output Low Voltage

VOL

IOL = 1 mA

0.55

V

V OH @ MIN = 1.0 V

-33

mA

VOH @ MAX = 3.135 V

-33

mA

VOL @ MIN = 1.95 V

30

mA

VOL @ MAX = 0.4 V

38

mA

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

1.92

2

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

0.5

1.97

2

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

53.1

55

%

1

Skew

tsk1

VT = 1.5 V

38

250

ps

1

Jitter

tjcyc-cyc

VT = 1.5 V 3V66

139

250

ps

1

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

Clock period

Tperiod

2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is at

14.31818MHz

Output High Current

IOH

Output Low Current

IOL

Electrical Characteristics - PCICLK/PCICLK_F

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Notes

Long Accuracy

ppmsee Tperiod min-max values

-300

300

ppm1,2

33.33MHz output nominal

29.9910

30

30.0090

ns

2

33.33MHz output spread

29.9910

30.1598

ns

2

Output High Voltage

VOH

IOH = -1 mA

2.4

V

Output Low Voltage

VOL

IOL = 1 mA

0.55

V

V OH @MIN = 1.0 V

-33

mA

VOH@ MAX = 3.135 V

-33

mA

VOL @ MIN = 1.95 V

30

mA

VOL @ MAX = 0.4 V

38

mA

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

1.92

2

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

0.5

1.9

2

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

51.4

55

%

1

Skew

tsk1

VT = 1.5 V

18

500

ps

1

Jitter

tjcyc-cyc

VT = 1.5 V 3V66

92

250

ps

1

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

Clock period

Tperiod

2 All Long Term Accuracy and Clock Period specifications are guaranteed with the assumption that Ref output is

at 14.31818MHz

Output High Current

IOH

Output Low Current

IOL