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8N4S270LC-1020CDI

Description
programmable oscillators prog. femtoclock
CategoryPassive components   
File Size574KB,18 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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8N4S270LC-1020CDI Overview

programmable oscillators prog. femtoclock

8N4S270LC-1020CDI Parametric

Parameter NameAttribute value
ManufactureIDT (Integrated Device Technology)
Product CategoryProgrammable Oscillators
Package / CaseCDIP-6
Frequency15.48 MHz to 866.67 MHz, 975 MHz to 1300 MHz
Frequency Stability+/- 20 PPM
Supply Voltage2.5 V
Termination StyleSMD/SMT
Output FormLVDS
Minimum Operating Temperature- 40 C
Maximum Operating Temperature+ 85 C
Dimensions5 mm W x 7 mm L x 1.5 mm H
PackagingTube
ProducXO
Factory Pack Quantity364
Supply Voltage - Max2.625 V
Supply Voltage - Mi2.375 V
LVDS Frequency-Programmable
Crystal Oscillator
IDT8N4S270
DATASHEET
General Description
The IDT8N4S270 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
®
NG
VCO
Pin Assignment
OE 1
6 V
DD
5 nQ
4 Q
OSC
f
XTAL
2
÷P
÷N
Q
nQ
DNU 2
GND 3
÷MINT,
MFRAC
25
Configuration Register (ROM)
OE
Pullup
7
IDT8N4S270
6-lead ceramic 5mm x 7mm x 1.55mm
package body
CD Package
Top View
IDT8N4S270CCD REVISION A
AUGUST 31, 2012
1
©2012 Integrated Device Technology, Inc.
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