IDTTM

Progammable Timing Control HubTM for Next Gen P4TM Processor

701J—01/25/10

ICS952601

Programmable Timing Control HubTM for Next Gen P4TM Processor

8

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Notes

Long Accuracy

ppm

see Tperiod min-max

values

-200

200

ppm

1,2

Clock period

Tperiod

66.66MHz output nominal 20.8257

20.8340

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

2

4

V/ns

1

Edge Rate

Falling edge rate

2

4

V/ns

1

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

0.5

0.71

1

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

0.5

0.77

1

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

49

55

%

1

Long Term Jitter

125us period jitter

(8kHz frequency

modulation amplitude)

0.7

2

ns

1

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

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

Electrical Characteristics - 48MHz DOT Clock

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 - VCH, 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

ppm

see Tperiod min-max values

-200

200

ppm1,2

Clock period

Tperiod

66.66MHz output nominal

20.8257

20.8340

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

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

11.43

2

ns

1

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

11.33

2

ns

1

Duty Cycle

dt1

VT = 1.5 V

45

48

55

%

1

Long Term Jitter

125us period jitter

(8kHz frequency modulation

amplitude)

0.7

6

ns

1

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

Output Low Current

IOL

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