P2082A

October 2003

P2084A

rev 0.4

Low Cost Frequency Multiplier

2 of 9

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

Pin Configuration

Pin Description

Pin#

Pin Name

Type

Description

1

XIN/CLKIN

I

Connect to crystal or clock input.

2

XOUT

I

Crystal output.

3

FS1

I

Digital logic input used to select input frequency range. (See Input

Frequency Selection.) This pin has an internal pull-up resistor.

4

LF

I

External loop filter for the PLL. (See Loop Filter Selection Table for value.)

5

VSS

P

Ground connection. Connect to system ground.

6

CLKOUT

O

Clock output.

7

FS0

I

Digital logic input used to select input frequency range. (See Input

Frequency Selection.) This pin has an internal pull-up resistor.

8

VDD

P

Connect to +3.3 V.

Input Frequency Selection

Output Frequency Scaling

FS1

FS0

Input (MHz)

P2082A

P2084A

0

0

3 to 9

6 to 18

12 to 36

0

1

10 to 19

20 to 38

40 to 76

1

0

20 to 38

40 to 76

80 to 152

1

1

39 to 78

78 to 156

156 to 312