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84321AYLFT

Description
IC SYNTHESIZER 260MHZ 32-LQFP
Categorysemiconductor    Analog mixed-signal IC   
File Size294KB,19 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance
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84321AYLFT Overview

IC SYNTHESIZER 260MHZ 32-LQFP

84321AYLFT Parametric

Parameter NameAttribute value
typefrequency synthesizer
PLLWith bypass
entercrystal
outputLVPECL
Number of circuits1
Ratio - Input:Output1:2
Differential - Input:OutputNo/Yes
Frequency - maximum260MHz
Frequency divider/multiplieryes/no
Voltage - Power3.135 V ~ 3.465 V
Operating temperature0°C ~ 70°C
Installation typesurface mount
Package/casing32-LQFP
Supplier device packaging32-LQFP(7x7)
ICS84321
260MH
Z
, C
RYSTAL
-
TO
-3.3V D
IFFERENTIAL
LVPECL F
REQUENCY
S
YNTHESIZER
G
ENERAL
D
ESCRIPTION
The ICS84321 is a general purpose, dual output Crystal-to-
3.3V Differential LVPECL High Frequency Synthesizer. The
ICS84321 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 frequency can be programmed using the serial or
parallel interfaces to the configuration logic.
F
EATURES
Dual differential 3.3V LVPECL outputs
Selectable crystal oscillator interface
or LVCMOS/LVTTL TEST_CLK
Output frequency range: 103.3MHz to 260MHz
Crystal input frequency range: 14MHz to 40MHz
VCO range: 620MHz to 780MHz
Parallel or serial interface for programming counter
and output dividers
RMS period jitter: 3ps (typical)
RMS phase jitter at 155.52MHz, using a 38.88MHz crystal
(12kHz to 20MHz): 2.5ps (typical)
Phase noise: 155.52MHz
Offset
Noise Power
100Hz ..................-84.1 dBc/Hz
1kHz ................-109.8 dBc/Hz
10kHz ................-126.3 dBc/Hz
100kHz ................-128.7 dBc/Hz
3.3V supply voltage
0°C to 70°C ambient operating temperature
Lead-Free package RoHS compliant
Use replacement part 8T49N004-dddNLGI
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
84321AY
www.idt.com
1
REV. D 2/25/15

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