ICS85401AK Ver la hoja de datos (PDF) - Integrated Circuit Systems
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ICS85401AK Datasheet PDF : 11 Pages
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Integrated
Circuit
Systems, Inc.
ICS85401
2:1
DIFFERENTIAL-TO-LVDS MULTIPLEXER
GENERAL DESCRIPTION
ICS
The ICS85401 is a high performance 2:1 Differ-
ential-to-LVDS Multiplexer and a member of the
HiPerClockS™ HiPerClockS™family of High Performance Clock
Solutions from ICS. The ICS85401 can also per-
form differential translation because the differ-
ential inputs accept LVPECL, CML as well as LVDS levels.
The ICS85401 is packaged in a small 3mm x 3mm
16 VFQFN package, making it ideal for use on space con-
strained boards.
FEATURES
• 2:1 LVDS MUX
• 1 LVDS output
• 2 differential clock inputs can accept: LVPECL, LVDS, CML
• Maximum input/output frequency: >2.5GHz
• Translates LVCMOS/LVTTL input signals to LVDS levels by
using a resistor bias network on nCLK0, nCLK1
• Propagation delay: 460ps (maximum)
• Part-to-part skew: 100ps (maximum)
• 3.3V operating supply
• -40°C to 85°C ambient operating temperature
BLOCK DIAGRAM
CLK0
nCLK0
CLK1
nCLK1
CLK_SEL
85401AK
0
Q
nQ
1
PIN ASSIGNMENT
16 15 14 13
CLK0 1
12 GND
nCLK0 2
11 Q
CLK1 3
10 nQ
nCLK1 4
9 GND
5678
ICS85401
16-Lead VFQFN
3mm x 3mm x 0.95 package body
K Package
Top View
www.icst.com/products/hiperclocks.html
1
REV. A FEBRUARY 22, 2005
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