Datasheet > 8N3S272AC-0042CD

8N3S272AC-0042CD

更新时间： 2024-11-25 08:50:19

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
18页	473K
描述
LVPECL Output Clock Oscillator

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数据手册

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8N3S272AC-0042CD 数据手册

LVPECL Frequency-Programmable

Crystal Oscillator

IDT8N3S272

DATA SHEET

General Description

Features

The IDT8N3S272 is a Frequency-Programmable Crystal Oscillator

with very flexible frequency programming capabilities. The device

uses IDT’s fourth generation FemtoClock® NG technology for an

optimum of high clock frequency and low phase noise performance.

The device accepts 2.5V or 3.3V supply and is packaged in a small,

lead-free (RoHS 6) 6-lead ceramic 5mm x 7mm x 1.55mm package.

• Fourth generation FemtoClock® NG technology

• Factory-programmable clock output frequency from 15.476MHz to

866.67MHz and from 975MHz to 1,300MHz

• Frequency programming resolution is 218Hz and better

• One 2.5V or 3.3V LVPECL clock output

• Output enable control (positive polarity), LVCMOS/LVTTL

The device can be factory programmed to any frequency in the range

from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz and

supports a very high degree of frequency precision of 218Hz or

better. The extended temperature range supports wireless

infrastructure, telecommun- ication and networking end equipment

requirements.

compatible

• RMS phase jitter @ 156.25MHz (12kHz - 20MHz): 0.24ps

(typical), integer PLL feedback configuration

• RMS phase jitter @ 156.25MHz (1kHz - 40MHz): 0.27ps (typical),

integer PLL feedback configuration

• 2.5V or 3.3V supply

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

• Available in a lead-free (RoHS 6) 6-pin ceramic package

Block Diagram

Pin Assignment

DNU

nOE

V^EE

V_CC

PFD

LPF

FemtoClock® NG

VCO

1950-2600MHz

Q

÷P

OSC

÷N

f_XTAL

IDT8N3S272

6-lead ceramic 5mm x 7mm x 1.55mm

package body

÷MINT, MFRAC

CD Package

Top View

Configuration Register (ROM)

Pulldown

nOE

IDT8N3S272CCD REVISION A NOVEMBER 28, 2012

12 3 4 5 6 7...18

中文翻译

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