September 2006

PCS1P2857A/B

rev 0.1

Multi-Output Clock Generator

3 of 8

Notice: The information in this document is subject to change without notice.

DC Electrical Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

Input low voltage

GND - 0.3

-

0.8

V

Input high voltage

2.0

-

VDD + 0.3

V

Input low current

-

-

-35

µA

Input high current

-

-

35

µA

-

-

0.4

V

2.4

-

-

V

Static supply current

-

TBD

-

mA

Dynamic supply current ( VDD =3.3V )

-

TBD

-

mA

VDD

Operating Voltage

3.135

3.3

3.465

V

Output Impedance

-

20

-

Ω

Input Capacitance

-

5

-

pF

CLK outputs Internal resistor

-

360

-

kΩ

AC Electrical Characteristics

Symbol

Parameter

Min

Typ

Max

Unit

CLKIN

Input frequency

-

27

-

MHz

-

27

-

MHz

-

24

-

MHz

PCS1P2857A

-

14.31818

-

MHz

-

27

-

MHz

-

24

-

MHz

CLK OUT

Output frequency

PCS1P2857B

-

28.322

-

MHz

Output rise time (Measured from 0.8V to 2.0V)

0.8

1.4

2.0

nS

Output fall time ( Measured from 2.0V to 0.8V)

0.8

1.4

2.0

nS

Jitter (Cycle to cycle)

-

TBD

-

pS

14.31818MHz

-

-0.13

-

ppm

PCS1P2857A

Other outputs

-

0

-

ppm

28.322MHz

-

5.68

-

ppm

Synthesis Error

(Output Frequency)

PCS1P2857B

Other outputs

-

0

-

ppm

Output duty cycle

40

50

60

%

Power up Time (first locked cycle after power-up)

-

3

5

mS