DATA SHEET

ICS84330CVI REVISION A JANUARY 7, 2011

1

©2011 Integrated Device Technology, Inc.

720MHz, Low Jitter, Crystal-to-LVPECL

Frequency Synthesizer

ICS84330CI

FOUT

nFOUT

OSC

S_LOAD

OE

XTAL1

XTAL2

FREF_EXT

XTAL_SEL

S_DATA

S_CLOCK

nP_LOAD

M0:M8

N0:N1

VCO

PLL

TEST

CONFIGURATION

INTERFACE

LOGIC

÷M

÷16

PHASE DETECTOR

÷2

÷4

÷8

÷1

1

0

1

0

÷2

Pullup

Pulldown

Pulldown

Pulldown

Pulldown

Pullup

Pullup

Pullup

Pullup

General Description

The ICS84330CI is a general purpose, single output high frequency

synthesizer. The VCO operates at a frequency range of 250MHz to

720MHz. The VCO and output frequency can be programmed using

the serial or parallel interfaces to the configuration logic. The output

can be configured to divide the VCO frequency by 1, 2, 4, and 8.

Output frequency steps as small as 250kHz to 2MHz can be

achieved using a 16MHz crystal depending on the output divider

settings.

Features

during power-up

packages

Block Diagram

9

10 11 12 13 14 15 16

32 31 30

29 28

27 26 25

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

S_CLOCK

S_DATA

S_LOAD

FREF_EXT

XTAL_SEL

XTAL1

nc

N1

N0

M8

M7

M6

M5

M4

5

6

7

8

9

10 11

25 24 23

22 21

20 19

26

27

28

1

2

3

4

18

17

16

15

14

13

12

S_CLOCK

S_DATA

S_LOAD

FREF_EXT

XTAL_SEL

XTAL1

N1

N0

M8

M7

M6

M5

M4

Pin Assignments

ICS84330CI

32 Lead LQFP

Y Package

7mm x 7mm x 1.4mm

package body

Top View

ICS84330CI

28 Lead PLCC

V Package

11.6mm x 11.4mm x 4.1mm

package body

Top View