PL611-01

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

Rev 09/27/05 Page 2

KEY PROGRAMMING PARAMETERS

CLK[ 0:2 ]

Output Frequency

Output Drive Strength

Crystal Load

Programmable

Input/Output

Charge-Pump

Current

Fout = FIN * M / (R * P)

where M=10 bit

R= 8 bit

P= 5 bit

1. CLK[0:2]= Fout/[1,2,4,8]

2. CLK[0:2]= FIN or FIN/2

Std: 10mA (default)

High: 24mA

+/- 200ppm

tuning.

One output pin can be

configured as

1. CLK2 - output

2. FSEL - input

3. OE - input

4. PDB - input

4 levels of

pump current

settings

PIN DESCRIPTION

Pin #

Name

MSOP-8

SOIC-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

VDD

5

6

P

VDD connection (2.25~3.63V)

NC

6

No Connect

CLK2, OE, PDB, FSEL

7

5

B

This programmable I/O pin can be configured as a

programmable clock output (CLK2), or Output Enable

(OE) input, or Power Down input (PDB), or Frequency

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

60KΩ pull up resistor.

State

OE

PDB

FSEL

0

Tristate

CLK[0:1]

Power

Down

Mode

Select

Freq. ‘1’

1

(default)

Normal

mode

Normal

mode

Select

Freq. ‘2’

XOUT

8

4

O

Crystal output pin