650GI-44LFT IDT, 650GI-44LFT Datasheet

650GI-44LFT

Manufacturer Part Number

650GI-44LFT

Description

Clock Drivers & Distribution SYSTEM PERIPHERAL CLOCK SOURCE

Manufacturer

IDT

Datasheet

1.650GI-44LFT.pdf (11 pages)

Specifications of 650GI-44LFT

Rohs

yes

Part # Aliases

ICS650GI-44LFT

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SPREAD SPECTRUM CLOCK SYNTHESIZER

Description

The ICS650-44 is a spread spectrum clock synthesizer

intended for video projector and digital TV applications. It

generates three copies of an EMI optimized 50 MHz clock

signal (EMI peak reduction of 7 to 14 dB on 3rd through

19th harmonics) through the use of Spread Spectrum

techniques from a 25 MHz crystal or clock input. The

modulation rate is 50 kHz.

Block Diagram

IDT™ / ICS™ SPREAD SPECTRUM CLOCK SYNTHESIZER

External capacitors are

required with a crystal

input.

25 MHz crystal

or clock input

X1/CLKIN

FS3:0

Control

Crystal

Logic

OSC

GND

Features

•

Spectrum

PLL with

Packaged in 16-pin TSSOP (173 mil)

Supply voltages: VDD = 3.3 V, VDDO = 2.5 V

Peak-to-peak jitter: ±125 ps typ

Output duty cycle 45/55% (worst case)

25 MHz crystal or reference clock input

Zero (0) ppm frequency error on all output clocks

Advanced, low-power CMOS process

Industrial temperature range (-40 to +85°C)

Pb (lead) free package

VDD

Spread

PDTS

VDDO

50M

ICS650-44

DATASHEET

ICS650-44

REV E 051310

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