ICS810-06 datasheet(1/14 Pages) ICST

Part #	ICS810-06

Description	VCXO-TO-6 LVCMOS OUTPUTS

PDF	14 Pages

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Manufacturer	ICST [Integrated Circuit Systems]

Direct Link	http://www.icst.com

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1 / 14 page

81006AK

www.icst.com/products/hiperclocks.html

REV. A JANUARY 4, 2006

1

Integrated

Circuit

Systems, Inc.

ICS81006

VCXO-TO-6 LVCMOS OUTPUTS

VCXO

0: ÷1

1: ÷2

SYNC

LP Filter

GENERAL DESCRIPTION

The ICS81006 is a high performance, low

jitter/low phase noise VCXO and is a

member of the HiPerClockS™ family of high

performance clock solutions from ICS. The

ICS81006 works in conjunction with a

pullable crystal to generate an output clock over the

range of 12MHz - 40MHz and has 6 LVCMOS outputs,

effectively integrating a fanout buffer function.

The frequency of the VCXO is adjusted by the VC control

voltage input. The output range is ±100ppm around the

nominal crystal frequency. The VC control voltage range

is 0 - V

DD. The device is packaged in a small 4mm x 4mm

VFQFN package and is ideal for use on space

constrained boards typically encountered in ADSL/

VDSL applications.

FEATURES

• Six LVCMOS/LVTTL outputs, 20Ω nominal

output impedance

• Output Q5 can be selected for ÷1 or ÷2 frequency relative

to the crystal frequency

• Output frequency range: 12MHz to 40MHz

• Crystal pull range: ± 90ppm (typical)

• Synchronous output enable places outputs in High-Z state

• On-chip filter on VIN to suppress noise modulation of VCXO

• V

DD/VDDO combinations

3.3V/3.3V

3.3V/2.5V

3.3V/1.8V

2.5V/2.5V

2.5V/1.8V

• 4mm x 4mm 20 Lead VFQFN package is ideal for space

constrained designs

• 0°C to 70°C ambient operating temperature

• Available in both standard and lead-free RoHS compliant

packages

HiPerClockS™

ICS

BLOCK DIAGRAM

PIN ASSIGNMENT

OE0

VC

XTAL_IN

XTAL_OUT

DIV_SEL_Q5

OE1

Q0

Q1

Q2

Q3

Q4

Q5

(Pullup)

(Pulldown)

XTAL_IN

XTAL_OUT

VDD

VC

DIV_SEL_Q5

GND

Q2

VDDO

Q3

GND

1

2

3

4

5

20 19 18 17

16

ICS81006

20-Lead VFQFN

4mm x 4mm x 0.95 package body

K Package

Top View

6

7

8

9

10

15

14

13

12

11

(Pullup)

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ICS810-06 Datasheet(PDF) 1 Page - Integrated Circuit Systems

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