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874003BG-05LF

Description
Clock Synthesizer / Jitter Cleaner PCI EXPRESS JITTER ATTENUATOR
Categorysemiconductor    Analog mixed-signal IC   
File Size402KB,18 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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874003BG-05LF Overview

Clock Synthesizer / Jitter Cleaner PCI EXPRESS JITTER ATTENUATOR

874003BG-05LF Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerIDT (Integrated Device Technology, Inc.)
Product CategoryClock Synthesizer / Jitter Cleaner
RoHSDetails
Number of Outputs3 Output
Output LevelLVDS
Max Output Freq320 MHz
Input LevelHCSL, LVDS, LVHSTL, LVPACL, SSTL
Maximum Input Frequency128 MHz
Supply Voltage - Max3.465 V
Supply Voltage - Min3.135 V
Minimum Operating Temperature0 C
Maximum Operating Temperature+ 70 C
Mounting StyleSMD/SMT
Package / CaseTSSOP-20
PackagingTube
Height1 mm
Length6.5 mm
Width4.4 mm
Operating Supply Current75 mA
Pd - Power Dissipation575.2 mW
Factory Pack Quantity74
Unit Weight0.006737 oz
PCI Express™ Jitter Attenuator
ICS874003-05
DATASHEET
General Description
The ICS874003-05 is a high performance Differential-to-LVDS Jitter
Attenuator designed for use in PCI Express systems. In some PCI
Express systems, such as those found in desktop PCs, the PCI
Express clocks are generated from a low bandwidth, high phase
noise PLL frequency synthesizer. In these systems, a jitter
attenuator may be required to attenuate high frequency random and
deterministic jitter components from the PLL synthesizer and from
the system board. The ICS874003-05 has a bandwidth of 6.2MHz
with <1dB peaking, easily meeting PCI Express Gen2 PLL
requirements.
The ICS874003-05 uses IDT’s 3 Generation FemtoClock™ PLL
technology to achieve the lowest possible phase noise. The device is
packaged in a 20-Lead TSSOP package, making it ideal for use in
space constrained applications such as PCI Express add-in cards.
rd
Features
Three differential LVDS output pairs
One differential clock input
CLK/nCLK can accept the following differential input levels:
LVPECL, LVDS, LVHSTL, HCSL, SSTL
Input frequency range: 98MHz to 128MHz
Output frequency range: 98MHz to 320MHz
VCO range: 490MHz - 640MHz
Supports PCI-Express Spread-Spectrum Clocking
High PLL bandwidth allows for better input tracking
PCI Express (2.5 Gb/s) and Gen 2 (5 Gb/S) jitter compliant
0°C to 70°C ambient operating temperature
Full 3.3V operating supply
Available in lead-free (RoHS 6) packages
F_SEL[2:0] Function Table
Inputs
F_SEL2
0
(default)
1
0
1
0
1
0
1
F_SEL1
0
(default)
0
1
1
0
0
1
1
F_SEL0
0
(default)
0
0
0
1
1
1
1
Outputs
QA[0:1],
nQA[0:1]
÷2
÷5
÷4
÷2
÷2
÷5
÷4
÷4
QB0, nQB0
÷2
÷2
÷2
÷4
÷5
÷4
÷5
÷4
Pin Assignment
QA1
V
DDO
QA0
nQA0
MR
F_SEL0
nc
V
DDA
F_SEL1
V
DD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
nQA1
V
DDO
QB0
nQB0
F_SEL2
OEB
GND
nCLK
CLK
OEA
ICS874003-05
20-Lead TSSOP
6.5mm x 4.4mm x 0.925mm package body
G Package
Top View
ICS874003BG-05 REVISION B MARCH 21, 2014
1
©2014 Integrated Device Technology, Inc.
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