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8N3DV85FC-0077CDI

Description
IC osc vcxo dual freq 6-clcc
Categorysemiconductor    Analog mixed-signal IC   
File Size169KB,20 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance  
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8N3DV85FC-0077CDI Overview

IC osc vcxo dual freq 6-clcc

LVPECL Dual-Frequency
Programmable VCXO
General Description
The IDT8N3DV85 is a LVPECL Dual-Frequency Programmable
VCXO with very flexible frequency and pull-range 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 two frequencies in the
range of 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz
to the very high degree of frequency precision of 218Hz or better.
The output frequency is selected by the FSEL pin. The extended
temperature range supports wireless infrastructure, telecommuni-
cation and networking end equipment requirements.
IDT8N3DV85
DATASHEET
Features
Fourth Generation FemtoClock
®
NG technology
Programmable clock output frequency from 15.476MHz to
866.67MHz and from 975MHz to 1,300MHz
Two factory-programmed output frequencies
VCO frequency programming resolution is 218Hz and better
Factory-programmable VCXO pull range and control voltage
polarity
VCXO pull range programmable from typical ±12.5 to ±787.5ppm
One 2.5V or 3.3V LVPECL clock output
FSEL control input for frequency selection, LVCMOS/LVTTL
compatible
RMS phase jitter @ 622.08MHz (12kHz - 20MHz):0.46ps (typical)
RMS phase jitter @ 622.08MHz (50kHz - 80MHz): 0.47ps (typical)
2.5V or 3.3V supply voltage
-40°C to 85°C ambient operating temperature
Lead-free (RoHS 6) 6-lead ceramic 5mm x 7mm x 1.55mm
package
Block Diagram
OSC
114.285 MHz
2
Pin Assignment
÷P
PFD
&
LPF
FemtoClock
®
NG
VCO
1950-2600MHz
VC
1
2
3
6
5
4
V
CC
nQ
Q
÷N
Q
nQ
FSEL
V
EE
÷MINT,
MFRAC
9
VC
Pulldown
A/D
23
Configuration Register (ROM)
(Frequency, Pull range, Polarity)
7
IDT8N3DV85
6-lead ceramic 5mm x 7mm x 1.55mm
package body
CD Package
Top View
FSEL
IDT8N3DV85CCD REVISION A OCTOBER 30, 2013
1
©2013 Integrated Device Technology, Inc.
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