ICS950902 datasheet(17/20 Pages) ICST

17 / 20 page

Integrated

Circuit

Systems, Inc.

ICS950902

0475G—03/23/04

Electrical Characteristics - 48MHz, 24MHz

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

FO1

VO = VDD*(0.5)

MHz

Output Impedance

RDSN1

VO = VDD*(0.5)

Ω

Output High Voltage

VOH1

IOH = -1 mA

2.4

Output Low Voltage

VOL1

IOL = 1 mA

0.55

Output High Current

IOH1

VOH@ MIN = 1.0 V, VOH@ MAX =

3.135 V

-29

-23

Output Low Current

IOL1

VOL@ MIN = 1.95 V, VOL@ MAX=

0.4

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

1.29

USB Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

1.32

Duty Cycle

dt1

VT = 1.5 V

52.3

Jitter

tjcyc-cyc1

VT = 1.5 V

149

350

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

Electrical Characteristics - REF

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

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Frequency

FO1

14.32

MHz

Output Impedance

RDSP1

VO = VDD*(0.5)

Ω

Output High Voltage

VOH1

IOH = -1 mA

2.4

Output Low Voltage

VOL1

IOL = 1 mA

0.4

Output High Current

IOH1

VOH@ MIN = 1.0 V, VOH@ MAX = 3.1

-29

-23

Output Low Current

IOL1

VOL@ MIN = 1.95 V, VOL@ MAX= 0.4

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

1.93

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

1.97

Duty Cycle

dt1

VT = 1.5 V

Jitter

tjcyc-cyc

VT = 1.5 V

186

500

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

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