8N4S272BC-1027CDI8 datasheet, PDF

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8N4S272BC-1027CDI8: DescriptionLVDS Output Clock Oscillator; CategoryPassive components oscillator; File Size599KB，18 Pages; ManufacturerIDT (Integrated Device Technology); Environmental Compliance

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8N4S272BC-1027CDI8 Overview

LVDS Output Clock Oscillator

8N4S272BC-1027CDI8 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	1308557882
Reach Compliance Code	compliant
Other features	ENABLE/DISABLE FUNCTION; DIFFERENTIAL OUTPUT; TR
maximum descent time	0.45 ns
Frequency Adjustment - Mechanical	NO
frequency stability	100%
Installation features	SURFACE MOUNT
Nominal operating frequency	400 MHz
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Oscillator type	LVDS
physical size	7.0mm x 5.0mm x 1.55mm
longest rise time	0.45 ns
Maximum supply voltage	2.625 V
Minimum supply voltage	2.375 V
Nominal supply voltage	2.5 V
surface mount	YES
maximum symmetry	53/47 %

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LVDS Frequency-Programmable

Crystal Oscillator

IDT8N4S272

DATA SHEET

General Description

The IDT8N4S272 is a Factory 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.

The device can be factory programmed to any 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, telecommunication and networking end equipment

requirements.

Features

•

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, 3.3V LVDS clock output

Output enable control (positive polarity), LVCMOS/LVTTL

compatible

RMS phase jitter @ 231.25MHz (12kHz - 20MHz):



0.48ps (typical), integer PLL feedback configuration

RMS phase jitter @ 231.25MHz (1kHz - 40MHz):



0.50ps (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

PFD

LPF

FemtoClock

VCO

1950-2600MHz

Pin Assignment

DNU 1

6 V

5 nQ

4 Q

OSC

XTAL

÷P

÷N

Q

nOE 2

GND 3

÷MINT,

MFRAC

Configuration Register (ROM)

nOE

Pulldown

IDT8N4S272

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

package body

CD Package

Top View

IDT8N4S272CCD

REVISION A OCTOBER 3, 2012

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