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84320AY-01LNT

Description
Clock Synthesizer / Jitter Cleaner 2 LVPECL OUT SYNTHESIZER
Categorysemiconductor    Analog mixed-signal IC   
File Size370KB,22 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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84320AY-01LNT Overview

Clock Synthesizer / Jitter Cleaner 2 LVPECL OUT SYNTHESIZER

84320AY-01LNT Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerIDT (Integrated Device Technology, Inc.)
Product CategoryClock Synthesizer / Jitter Cleaner
RoHSDetails
Package / CaseTQFP-32
PackagingCut Tape
PackagingReel
Height1.4 mm
Length7 mm
Width7 mm
Moisture SensitiveYes
NumOfPackaging2
Factory Pack Quantity2000
780MHZ, Crystal-to-3.3V Differential
LVPECL Frequency Synthesizer
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES MAY 6, 2017
84320-01
DATASHEET
G
ENERAL
D
ESCRIPTION
The 84320-01 is a general purpose, dual output Crystal-
to-3.3V Differential LVPECL High Frequency Synthesiz-
er. The 84320-01 has a selectable TEST_CLK or crystal
inputs. The VCO operates at a frequency range of 620MHz
to 780MHz. The VCO frequency is programmed in steps
equal to the value of the input reference or crystal frequency.
The VCO and output frequencycan be programmed using
the serial or parallel interfaces tothe configuration logic.
The low phase noise characteristicsof the 84320-01 make it
an ideal clock source for 10 Gigabit Ethernet, SONET, and
Serial Attached SCSI applications.
F
EATURES
Dual differential 3.3V LVPECL outputs
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK
Output frequency range: 77.5MHz to 780MHz
Crystal input frequency range: 14MHz to 40MHz
VCO range: 620MHz to 780MHz
Parallel or serial interface for programming counter
and output dividers
Duty cycle: 49% - 51% (N > 1)
RMS period jitter: 2ps (typical)
RMS phase jitter at 155.52MHz, using a 38.88MHz crystal
(12kHz to 20MHz): 2.5ps (typical)
Offset
Noise Power
100Hz ..................-90.5 dBc/Hz
1kHz ................-114.2 dBc/Hz
10kHz ................-123.6 dBc/Hz
100kHz ................-128.1 dBc/Hz
3.3V supply voltage
0°C to 70°C ambient operating temperature
Available in RoHS (6) package
For functional replacement part use 8T49N242
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
M4
M3
M2
M1
M0
32 31 30 29 28 27 26 25
M5
M6
M7
M8
N0
N1
nc
V
EE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
TEST
V
CC
FOUT1
nFOUT1
V
CCO
FOUT0
nFOUT0
V
EE
24
23
22
XTAL2
TEST_CLK
XTAL_SEL
V
CCA
S_LOAD
S_DATA
S_CLOCK
MR
84320-01
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
VCO_SEL
nP_LOAD
XTAL1
21
20
19
18
17
84320-01 REVISION D 5/26/16
1
©2016 Integrated Device Technology, Inc.
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