VDD datasheet(6/9 Pages) PERICOM

6 / 9 page

PI6C3622-1

Low Power Spread Spectrum Frequency Multiplier

SSCG-GP Family

PS8944A

01/30/08

DC Characteristics

VDD = 3.3V ±10%, Ambient Temperature 0 to +70°C

Symbol

Parameter

Conditions

Min.

Typ.

Max

Unit

VDD

Operating voltage

3.0

3.3

3.6

VIH

Input high voltage

2.0

–

VIL

Input low voltage

–

0.8

VOH

Output high voltage

IOH=-8 mA

2.5

–

VOL

Output low voltage

IOL = 8mA

–

0.5

IDD

Supply current

27MHz input and no load

–

5.3

ZOUT_DOWN

Nominal output impedance Down side buffer

–

ZOUT_UP

Nominal output impedance Up side buffer

–

CIN

Input capacitance

X1 input pins

–

AC Characteristics

VDD = 3.3V ±10%, Ambient Temperature 0 to +70°C , Fin=27MHz

Symbol

Parameter

Conditions

Min.

Typ.

Max

Unit

CLKIN

Input Frequency

20 MHz≤ Fin ≤40

MHz

CLKOUT

Output Frequency (1X)

20 MHz≤ Fin ≤40

MHz

SRatio

Spreading Ratio (SSON=1) (S1,S0)=(0,1)

±0.30

(S1,S0)=(1,0)

±0.50

(S1,S0)=(1,1)

±0.70

Spreading Ratio (SSON=0) (S1,S0)=(0/1, 0/1)

tRise

Output rise time

Measured from 20% to

80% VDD, 15pF load.

–

1.7

–

tFall

Output fall time

Measured from 80% to

20% VDD, 15pF load

–

1.7

–

tJ_Short

Short term cycle to cycle

jitter

–

180

250

TSSON

Spreading on/off settle time

–

μs

TDCIN

Input duty cycle

TDCOUT

Output duty cycle

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