ICS91718 datasheet(9/11 Pages) ICST

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ICS91718

0500D—07/15/04

Electrical Characteristics - CLOCK_OUT

TA = 0 - 85°C; VDD = 3.3V +/-5%; CL = 10-20 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Current Source

Output Impedance

VO = Vx

3000

Ω

Output High Voltage

VOH3

IOH = -1 mA

2.4

Output Low Voltage

VOL3

IOL = 1 mA

0.4

Rise Time

tr3

VOL = 0.41V, VOH = 0.86V

0.5

Fall Time

tf3

VOH = 0.86V VOL = 0.41V

0.5

Duty Cycle

dt3

VT = 50%

Jitter, Cycle to cycle

tjcyc-cyc

VT = 50%

250

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

2 I

OWT can be varied and is selectable thru the MULTSEL pin.

Electrical Characteristics - REF

TA = 0 - 85°C; VDD=3.3V +/-5%; CL = 10-20 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX UNITS

Output Frequency

FO1

MHz

Output Impedance

RDSP1

VO = VDD*(0.5)

Ω

Output High Voltage

VOH

IOH = -1 mA

2.4

Output Low Voltage

VOL

IOL = 1 mA

0.4

Output High Current

IOH

V OH@MIN = 1.0 V, V OH@MAX = 3.135 V

-29

-23

Output Low Current

IOL

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

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

0.5

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

0.5

Duty Cycle

dt1

VT = 1.5 V

Accumulated Jitter

tjlongterm

VT = 1.5 V 10us.

Jitter

tjcyc-cyc

VT = 1.5 V

500

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

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