(Preliminary)

PL580-30

38MHz-640MHz Low Phase Noise VCXO

47745 Fremont Blvd., Fremont, California 94538 Tel (510) 492-0990 Fax (510) 492-0991 www.phaselink.com Rev 11/30/05 Page 3

PAD ASSIGNMENT

Pad #

Name

X (

µm)

Y (

µm)

Description

1

GNDOSC

248

109

Ground, Oscillator circuitry.

2

GNDANA

361

109

Ground, Analog circuitry.

3

LP

473

109

Performance/Frequency tuning Inductor.

4

LM

587

109

Performance/Frequency tuning Inductor.

5

DNC

702

109

Do No Connect.

6

DNC

874

109

Do No Connect.

7

GNDDIG

1042

109

Ground, Digital circuitry.

8

GNDBUF

1171

109

Ground, buffer circuitry.

9

OE_SELECT

1400

125

Used to select between PECL or CMOS logic states for OE.

Incorporates internal pull up.

10

LVDS

1400

259

LVDS Output.

11

PECL

1400

476

PECL Output.

12

VDDBUF

1400

616

3.3V power supply, Buffer circuitry.

13

VDDBUF

1400

716

3.3V power supply, Buffer circuitry.

14

PECLB

1400

871

Complementary PECL Output.

15

LVDSB

1400

1089

Complementary LVDS Output.

16

CMOS

1400

1227

Single ended CMOS output.

17

GNDBUF

1389

1365

Ground, buffer circuitry.

18

OUTSEL1

1232

1365

Used to select CMOS, PECL or LVDS output type. Incorporates

internal pull up.

19

SEL1

1042

1365

20

SEL0

854

1365

Used to select multiplication factor. Incorporates internal pull up.

21

VDDDIG

659

1365

3.3V power supply, Digital circuitry.

22

VDDANA

559

1365

3.3V power supply, Analog circuitry.

23

VDDANA

459

1365

3.3V power supply, Analog circuitry.

24

VDDOSC

358

1365

3.3V power supply, Oscillator circuitry.

25

OUTSEL0B

194

1365

Used to select CMOS, PECL or LVDS output type. Incorporates

internal pull down.

26

XIN

109

1223

Crystal input. See crystal specification for details.

27

XOUT

109

1017

Crystal output. See crystal specification for details.

28

SEL2

109

858

Used to select multiplication factor. Incorporates internal pull up.

29

DNC

109

646

Do Not Connect

30

OE_CTRL

109

397

Used to enable/disable the output(s). See Output Selection and

Enable table.

31

VCON

109

181

Voltage Control Input. 0V to 3.3V.