PLL620-80

Low Phase Noise XO (9.5-65MHz Output)

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

www.phaselink.com Rev 11/09/04 Page 6

PAD DESCRIPTIONS

Pad #

Name

X (µ

µµµm)

Y (µ

µµµm)

Description

1

GND

248

109

Ground.

2

GND

361

109

Ground.

3

Optional GND

473

109

Optional Ground.

4

GND

587

109

Ground.

5

GND

702

109

Ground.

6

Reserved

874

109

Reserved for future use.

7

GNDBUF

1042

109

Ground, buffer circuitry.

8

GNDBUF

1171

109

Ground, buffer circuitry.

9

OE_SEL

1400

125

This is the selector input to choose the OE control

logic. See the OE SELECTION AND ENABLE table

on page 1. Internal pull up.

10

LVDS

1400

259

LVDS output.

11

PECL

1400

476

PECL output.

12

VDDBUF

1400

616

Power supply, buffer circuitry.

13

VDDBUF

1400

716

Power supply, buffer circuitry.

14

PECLB

1400

871

Complementary PECL output.

15

LVDSB

1400

1089

Complementary LVDS output.

16

CMOS

1400

1227

CMOS output.

17

GNDBUF

1389

1365

Ground, buffer circuitry.

18

OUTSEL1

1232

1365

Selector input to choose the selected output type

(PECL, LVDS, CMOS). See the OUTPUT SELECTION

AND ENABLE table on page 1. Internal pull up.

19

Reserved

1042

1365

Reserved for future use.

20

Not connected

854

1365

Not Connected.

21

VDD

659

1365

Power supply.

22

Optional VDD

559

1365

Optional Power supply.

23

VDD

459

1365

Power supply.

24

VDD

358

1365

Power supply.

25

OUTSEL0

194

1365

Selector input to choose the selected output type

(PECL, LVDS, CMOS). See the OUTPUT SELECTION

AND ENABLE table on page 1. Internal pull up.

26

XIN

109

1223

Crystal input. See Crystal Specifications on page 3.

27

XOUT

109

1017

Crystal output. See Crystal Specifications on page 3.

28

Not connected

109

858

Not Connected.

29

S2

109

646

Output Divide by Two selector pin, as presented on

the OUTPUT FREQUENCY SELECTOR Table on

page 1. Internal pull up.

30

OE_CTRL

109

397

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

Selection and Enable table on page 1.

31

Not connected

109

181

Not connected.

Note: for optimal Phase Noise performance, it is recommended to bond all optional VDD and GND pads.