PL611-20

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

Rev 07/06/05 Page 2

KEY PROGRAMMING PARAMETERS

CLK[ 0:2 ]

Output Frequency

Output Drive

Strength

Crystal Load

Programmable

Input/Output (pin #7)

Charge-Pump

Current

Fout = FIN * M / (R * P) where

M=10 bit

R = 8 bit

P = 5 bit

1. CLK[0:1] = VCO / 2 * P

2. CLK0 = ~ CLK1

2. CLK[2]= FIN or FIN/2

Std: 10mA

(default)

High: 24mA

+/- 200ppm

tuning.

One output pin can be

configured as

1. CLK2 = FIN or FIN/2

2. FSEL - input

3. OE - input

4 levels of pump

current setting

PIN DESCRIPTION

Pin #

Name

(M)SOP-8

SOT-23

Type

Description

XIN/FIN

1

3

I

Crystal or Reference input pin

GND

2

2

P

GND connection

CLK[0:1]

3,4

1

O

Programmable Clock Output [note:CLK0=CLK1]

VDD

5

6

P

VDD connection (2.25~3.63V)

DNC

6

-

-

Do No Connect

CLK2, OE, FSEL

7

5

B

This programmable I/O pin can be configured as CLK2

(FIN or FIN/2) output, or OE input, or Frequency

Selection (FSEL) input pin. This pin has an internal 60KΩ

pull up resistor.

State

OE

FSEL

0

Tristate

CLK[0:1]

Select Freq. ‘1’

1 (default)

Normal

mode

Select Freq. ‘2’

XOUT

8

4

O

Crystal output pin