CDCLVC1102 datasheet(5/14 Pages) TI

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CDCLVC11xx

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SCAS895 – MAY 2010

DEVICE CHARACTERISTICS (continued)

over recommended operating free-air temperature range (unless otherwise noted)

PARAMETER

CONDITION

MIN TYP(1)

MAX

UNIT

OUTPUT PARAMETERS FOR VDD = 2.5 V ± 0.2 V

VDD = 2.3 V, IOH = –0.1 mA

2.2

VOH

High-level output voltage

VDD = 2.3 V, IOH = –8 mA

1.7

VDD = 2.3 V, IOL = 0.1 mA

0.1

VOL

Low-level output voltage

VDD = 2.3 V, IOL = 8 mA

0.5

tPLH,

Propagation delay

CLKIN to Yn

1.0

2.6

tPHL

tsk(o)

Output skew

Equal load of each output

tr/tf

Rise and fall time

20%–80% reference point

0.3

1.2

tDIS

Output disable time

1G to Yn

tEN

Output enable time

1G to Yn

Pulse skew ;

tsk(p)

To be measured with input duty cycle of 50%

220

tPLH(Yn) – tPHL(Yn)

(5)

tsk(pp) Part-to-part skew

Under equal operating conditions for two parts

1.2

tjitter

Additive jitter rms

12kHz…20 MHz, fOUT = 180 MHz

350

(5)

tsk(p) depends on output rise- and fall-time (tr/tf). The output duty-cycle can be calculated: odc = (tw(OUT) ± tsk(p))/tperiod; tw(OUT) is

pulse-width of output waveform and tperiod is 1/fOUT.

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