Datasheet > 843003BGI-09T

843003BGI-09T

更新时间： 2024-11-03 09:56:03

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
17页	696K
描述
Clock Generator, 170MHz, PDSO24, 4.40 X 7.80 MM, 0.925 MM PITCH, MO-153, TSSOP-24

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数据手册

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843003BGI-09T 数据手册

FEMTOCLOCKS™ CRYSTAL-TO-3.3V LVPECL

FREQUENCY SYNTHESIZER

ICS843003I-09

General Description

Features

The ICS843003I-09 is a 3 differential output

• Three 3.3Vdifferential LVPECL output pairs on two banks:

Bank B with two LVPECL output pairs

Bank A with one LVPECL output pair

LVPECL Synthesizer designed to generate Ethernet

reference clock frequencies and is a member of the

HiPerClocks™ family of high performance clock

solutions from IDT. Using a 25MHz, 18pF parallel

HiPerClockS™

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended reference clock input

resonant crystal, the following frequencies can be generated:

156.25MHz and 125MHz. The 843003I-09 has two output banks,

Bank A with one differential LVPECL output pair and Bank B with

two differential LVPECL output pairs.

• VCO range: 490MHz – 680MHz

• RMS phase jitter @ 156.25MHz (1.875MHz – 20MHz):

0.53ps (typical)

•

Full 3.3V supply mode

The ICS843003I-09 uses IDT’s 3 generation low phase noise

• -40°C to 85°C ambient operating temperature

VCO technology and can achieve 1ps or lower typical rms phase

jitter, easily meeting Ethernet jitter requirements. The

ICS843003I-09 is packaged in a small 24-pin TSSOP, EPad

package.

• Available in both standard (RoHS 5) and lead-free (RoHS 6)

packages

Block Diagram

Pin Assignment

Pullup

OEA

V^CCO_B

QB0

VCO_SEL

V_{CCO_A}

Pullup

VCO_SEL

QA0

nQB0

nQA0

Pulldown

QB1

nQB1

XTAL_SEL

QA0

nQA0

OEB

OEA

V_CCA

V_CC

REF_CLK

XTAL_IN

÷4

25MHz

REF_CLK

Phase

Detector

VCO

OSC

XTAL_IN

XTAL_OUT

V^EE

XTAL_OUT

XTAL_SEL

Pullup

QB0

nQB0

QB1

ICS843003I-09

÷5

÷25

24-Lead TSSOP, EPad

4.4mm x 7.8mm x 0.9mm

package body

nQB1

Pulldown

Pullup

G Package

Top View

OEB

IDT™ / ICS™ 3.3V LVPECL FREQUENCY SYNTHESIZER

ICS843003BGI-09 REV. A APRIL 17, 2008

12 3 4 5 6 7...17

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