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Integrated Device Technology - Differential Clock/Data Multiplexer

Numéro de référence ICS831724I
Description Differential Clock/Data Multiplexer
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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ICS831724I fiche technique
Differential Clock/Data Multiplexer
ICS831724I
DATA SHEET
General Description
The ICS831724I is a high-performance, differential HCSL clock/data
multiplexer and fanout buffer. The device is designed for the
multiplexing and fanout of high-frequency clock and data signals. The
device has two differential, selectable clock/data inputs. The selected
input signal is distributed to four low-skew differential HCSL outputs.
Each input pair accepts HCSL, LVDS and LVPECL levels. The
ICS831724I is characterized to operate from a 3.3V power supply.
Guaranteed input, output-to-output and part-to-part skew
characteristics make the ICS831724I ideal for those clock and data
distribution applications demanding well-defined performance and
repeatability. The ICS831724I supports the clock multiplexing and
distribution of PCI Express Generation 1, 2, and 3 clock signals.
Features
2:1 differential clock/data multiplexer with fanout
Two selectable, differential inputs
Each differential input pair can accept the following levels: HCSL,
LVDS, LVPECL.
Four differential HCSL outputs
Maximum input/output clock frequency: 350MHz
Maximum input/output data rate: 700Mb/s (NRZ)
LVCMOS interface levels for all control inputs
PCI Express Gen 1,2,3 jitter compliant
Input skew: 165ps (maximum)
Output skew: 175ps (maximum)
Part-to-part skew: 450ps (maximum)
Full 3.3V supply voltage
Available in lead-free (RoHS 6) package
-40°C to 85°C ambient operating temperature
Block Diagram
IREF
CLK0 Pulldown
nCLK0 Pullup/down
Pulldown
CLK1
nCLK1 Pullup/down
SEL Pulldown
nOEA
nOEB
nOEC
nOED
Pullup
Pullup
Pullup
Pullup
0
1
QA
nQA
QB
nQB
QC
nQC
QD
nQD
Pin Assignment
32 31 30 29 28 27 26 25
VDD 1
24 nc
nOED 2
23 nOEC
CLK0 3
22 nc
nCLK0 4
21 nc
CLK1 5
20 nc
nCLK1 6
19 nc
nOEA 7
18 SEL
VDD 8
17 nc
9 10 11 12 13 14 15 16
ICS831724I
32-Lead VFQFN
5mm x 5mm x 0.925mm package body
K Package
Top View
ICS831724AKI REVISION A MAY 16, 2013
1
©2013 Integrated Device Technology, Inc

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