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8N3S271EC-0121CD

Description
LVPECL Output Clock Oscillator
CategoryPassive components    oscillator   
File Size483KB,19 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance  
Download Datasheet Parametric View All

8N3S271EC-0121CD Overview

LVPECL Output Clock Oscillator

8N3S271EC-0121CD Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
Objectid1327865683
Reach Compliance Codecompliant
Other featuresENABLE/DISABLE FUNCTION; DIFFERENTIAL OUTPUT; TR
maximum descent time0.45 ns
Frequency Adjustment - MechanicalNO
frequency stability50%
JESD-609 codee3
Installation featuresSURFACE MOUNT
Nominal operating frequency180 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeLVPECL
Output load50 OHM
physical size7.0mm x 5.0mm x 1.55mm
longest rise time0.45 ns
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry53/47 %
Terminal surfaceMatte Tin (Sn)
LVPECL Frequency-Programmable
Crystal Oscillator
IDT8N3S271
DATA SHEET
General Description
The IDT8N3S271 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.
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, 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 or 3.3V LVPECL clock output
Output enable control (positive polarity), LVCMOS/LVTTL
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
PFD
&
LPF
FemtoClock® NG
VCO
1950-2600MHz
Pin Assignment
DNU
1
2
3
6
5
4
V
CC
nQ
Q
OSC
f
XTAL
2
÷P
÷N
Q
nQ
OE
V
EE
÷MINT,
MFRAC
25
Configuration Register (ROM)
OE
Pullup
7
IDT8N3S271
6-lead ceramic 5mm x 7mm x 1.55mm
package body
CD Package
Top View
IDT8N3S271CCD
REVISION A DECEMBER 17, 2012
1
©2012 Integrated Device Technology, Inc.
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