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8402010AKI

Description
FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR
File Size308KB,16 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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8402010AKI Overview

FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR

FEMTOCLOCK™ CRYSTAL-TO-
LVDS/LVCMOS CLOCK GENERATOR
ICS8402010I
G
ENERAL
D
ESCRIPTION
ICS8402010I is a low phase noise Clock Generator
and is a member of the HiperClockS™ family of high
HiPerClockS™
performance clock solutions from IDT. The device
provides three banks of outputs and a reference
clock. Each bank can be independently enabled by
using output enable pins. A 25MHz, 18pF parallel resonant
crystal is used to generate the 16.66MHz, 62.5MHz and 25MHz
frequencies. The typical RMS phase jitter for this device is less
than 1ps.
F
EATURES
Three banks of outputs:
Bank A/B: three single-ended LVCMOS outputs at 16.66MHz
Bank C: three differential LVDS outputs at 62.5MHz
One single-ended reference clock output at 25MHz
Crystal input frequency: 25MHz
Maximum output frequency: 62.5MHz
RMS phase jitter @ 62.5MHz, using a 25MHz crystal,
Integration Range (1.875MHz - 20MHz): 0.375ps (typical)
Full 3.3V operating supply
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS6)
packages
IC
S
B
LOCK
D
IAGRAM
OE[2:0]
Pullup
3
LVCMOS - 16.66MHz
QA0
QA1
QA2
25MHz
÷30
P
IN
A
SSIGNMENT
XTAL_OUT
XTAL_IN
XTAL_IN
LVCMOS - 16.66MHz
OSC
V
DDA
OE2
OE1
OE0
GND
GND
XTAL_OUT
Phase
Detector
VCO
500MHz
QB0
QB1
QB2
÷30
32 31 30 29 28 27 26 25
V
DDO
_
REF
REF_OUT
GND
GND
QA0
QA1
QA2
V
DDO
_
A
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
24
23
V
DDO
_
C
nQC2
QC2
nQC1
QC1
nQC0
QC0
V
DDO
_
C
÷20
ICS8402010I
32-Lead VFQFN
5mm x 5mm x 0.925mm
package body
K Package
Top View
LVDS 62.5MHz
22
21
20
19
18
17
QC0
nQC0
÷8
QC1
nQC1
QC2
nQC2
LVCMOS - 25MHz
QB0
QB1
QB2
GND
MR
V
DDO
_
B
GND
V
DD
REF_OUT
IDT
/ ICS
LVDS/LVCMOS CLOCK GENERATOR
1
ICS8402010AKI REV. A AUGUST 28, 2008

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Description FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR FEMTOCLOCK™ CRYSTAL-TOLVDS/LVCMOS CLOCK GENERATOR
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