PLL701-31

Low EMI Spread Spectrum Multiplier Clock

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991

www.phaselink.com

Rev 11/28/05 Page 4

2. DC/AC Specifications

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Supply Voltage

2.7

3.0

3.3

V

Input High Voltage

V

Input Low Voltage

V

Input High Current

100

µA

Input Low Current

100

µA

Output High Voltage

2.4

Output Low Voltage

0.4

When using a crystal

10

30

MHz

Input Frequency

When using reference clock

10

30

MHz

When using reference clock

100

µs

Load Capacitance

Between Pin XIN and

XOUT*

18

pF

Pull-up Resistor

PIN 2

120

k

Ω

Pull-up Resistor

PIN 3, 4, 7

30

k

Ω

Short Circuit Current

50

mA

3.3V Dynamic Supply Current

No Load

18

mA

*Note: Pin XIN and XOUT each has a 36pF capacitance. When used with a XTAL, the two capacitors combined load the crystal with 18pF. If driving

XIN with a reference clock signal, the load capacitance will be 36pF (typical).

3. Timing Characteristics

PARAMETERS

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNITS

Rise Time

Measured at 0.8V ~ 2.0V @ 3.3V

0.8

0.95

1.1

ns

Fall Time

Measured at 2.0V ~ 0.8V @ 3.3V

0.78

0.85

0.9

ns

Output Duty Cycle

45

50

55

%

Cycle to Cycle Jitter

FOUT=48MHz @ 3.3V

100

ps

Cycle to Cycle Jitter

FOUT=72MHz @ 3.3V

100

ps