SCG3043 datasheet(2/12 Pages) CONNOR-WINFIELD

tên linh kiện	SCG3043

Giải thích chi tiết về linh kiện	Synchronous Clock Generators

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2 / 12 page

Data Sheet #: SG094

Page 2 of 12

Rev: P00

Date: 11/17/04

Absolute Maximum Rating

Table 1

Symbol

Parameter

Minimum

Nominal

Maximum

Units

Notes

Power Supply Voltage

-0.5

Volts

Input Voltage

-0.5

5.5

Volts

Storage Temperature

-65

150

deg. C

General Description

The SCG3043 is a mixed signal phase locked loop

generating 155.52 MHz LVPECL outputs from an

intrinsically low jitter voltage controlled crystal oscillator.

The SCG3043 is phase locked to an external 77.76 MHz

reference input. The SCG3043 is ideal for applications

using multiplication to obtain higher SONET frequencies.

Functional Block Diagram

Figure 1

Filter

LVPECL

Driver

Low

Jitter

VCXO

Divider

REF

QN1

QN2

The package dimensions are 0.75" x 1.25" x .45" on

a 6 layer, designed impedance, FR4 board with

castellated pins. Parts are assembled using high

temperature solder to withstand surface mount reflow

processes. See Fig. 4 for the solder profile.

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