Datasheet > 8N3S270

8N3S270

更新时间： 2024-11-28 14:58:23

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
20页	1420K
描述
LVPECL Frequency-Programmable Crystal Oscillator

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数据手册

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8N3S270 数据手册

LVPECL Frequency-Programmable

Crystal Oscillator

IDT8N3S270

DATA SHEET

General Description

Features

The ICS8N3S270 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

V^EE

V_CC

PFD

LPF

FemtoClock® NG

VCO

1950-2600MHz

÷P

OSC

÷N

f_XTAL

IDT8N3S270

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

package body

÷MINT, MFRAC

CD Package

Top View

Configuration Register (ROM)

Pullup

IDT8N3S270CCD REVISION A MAY 15, 2012

12 3 4 5 6 7...20

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