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84321AYILF

Description
Clock Synthesizer / Jitter Cleaner 260MHz, Crystal-to-3.3V Differential LVPECL Frequency Synthesizer
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size264KB,18 Pages
ManufacturerIDT (Integrated Device Technology)
Environmental Compliance
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84321AYILF Overview

Clock Synthesizer / Jitter Cleaner 260MHz, Crystal-to-3.3V Differential LVPECL Frequency Synthesizer

84321AYILF Parametric

Parameter NameAttribute value
Brand NameIntegrated Device Technology
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerIDT (Integrated Device Technology)
Parts packaging codeTQFP
package instructionLQFP-32
Contacts32
Manufacturer packaging codePRG32
Reach Compliance Codecompliant
ECCN codeEAR99
JESD-30 codeS-PQFP-G32
JESD-609 codee3
length7 mm
Humidity sensitivity level3
Number of terminals32
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Maximum output clock frequency260 MHz
Package body materialPLASTIC/EPOXY
encapsulated codeLQFP
Encapsulate equivalent codeQFP32,.35SQ,32
Package shapeSQUARE
Package formFLATPACK, LOW PROFILE
Peak Reflow Temperature (Celsius)260
power supply3.3 V
Master clock/crystal nominal frequency40 MHz
Certification statusNot Qualified
Maximum seat height1.6 mm
Maximum slew rate180 mA
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch0.8 mm
Terminal locationQUAD
Maximum time at peak reflow temperatureNOT SPECIFIED
width7 mm
uPs/uCs/peripheral integrated circuit typeCLOCK GENERATOR, OTHER
Base Number Matches1
260MHz, Crystal-to-3.3V Differential
LVPECL Clock Synthesizer
PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES NOVEMBER 2, 2016
84321I
DATA SHEET
G
ENERAL
D
ESCRIPTION
The 84321I is a general purpose, dual output Crystal-to-3.3V
Differential LVPECL High Frequency Synthesizer The 84321I
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. The low phase noise
characteristics of the 84321I make it an ideal clock source for
Fibre Channel 1, Fibre Channel 2, 10 Gigabit
Fibre Channel, Gigabit Ethernet and 10 Gigabit Ethernet
applications.
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
-40°C to 85°C ambient operating temperature
Available in lead-free (RoHS 6) package
For functional replacement part use 8T49N241
B
LOCK
D
IAGRAM
P
IN
A
SSIGNMENT
VCO_SEL
nP_LOAD
XTAL1
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
ICS84321I
21
20
19
18
17
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
84321I REVISION B 11/5/15
1
©2015 Integrated Device Technology, Inc.
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