14

Integrated

Circuit

Systems, Inc.

ICS950508

0470E—04/06/05

Electrical Characteristics - PCI

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

1

RDSP1

Vo=VDD*(0.5)

12

55

Ω

Output Impedance

1

RDSN1

Vo=VDD*(0.5)

12

55

Ω

Output High Voltage

VOH1

IOH = -1 mA

2.4

V

Output Low Voltage

VOL1

IOL = 1 mA

0.55

V

VOH@MIN = 1 V

-33

VOH@MAX = 3.135V

-33

VOL@MIN = 1.95 V

30

VOL@MAX =0.4V

38

VOL = 0.4 V, VOH = 2.4 V, PCI0-2

1.2

2

PCI3-7

2.1

2.25

VOL = 2.4 V, VOH = 0.4 V, PCI0-2

1

2

PCI3-7

2

2.25

Duty Cycle

1

dt1

VT = 1.5 V

45

51

55

%

Skew

1

tsk1

VT = 1.5 V

480

500

ps

Jitter, cycle-to-cycle

1

tjcyc-cyc1

VT = 1.5 V

300

500

ps

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

Fall Time

1

tf1

0.5

ns

Rise Time

1

tr1

0.5

ns

Output High Current

IOH1

mA

Output Low Current

IOL1

mA

Electrical Characteristics - REF, 24_48MHz, 48MHz

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Impedance

1

RDSP5

VO = VDD*(0.5)

20

60

Ω

Output Impedance

1

RDSN5

VO = VDD*(0.5)

20

60

Ω

Output High Voltage

VOH5

IOH = -1 mA

2.4

V

Output Low Voltage

VOL5

IOL = 1 mA

0.4

V

VOH @ MIN = 1.0 V

-23

VOH @ MAX = 3.135 V

-29

VOL @ MIN = 1.95 V

29

VOL @ MAX = 0.4 V

27

Rise Time

1

tr5

VOL = 0.4 V, VOH = 2.4 V

0.4

1

4

ns

Fall Time

1

tf5

VOH = 2.4 V, VOL = 0.4 V

0.4

1

4

ns

Duty Cycle

1

dt5

VT = 1.5 V

45

53

55

%

VT = 1.5 V, 24, 48 MHz

250

500

VT = 1.5 V, Ref clocks

2000

3000

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

Jitter, cycle-to-cycle

1

tjcyc-cyc5

ps

Output High Current

IOH5

mA

Output Low Current

IOL5

mA