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ICST - LVPECL/ECL CLOCK MULTIPLEXER

Numéro de référence ICS853054
Description LVPECL/ECL CLOCK MULTIPLEXER
Fabricant ICST 
Logo ICST 





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ICS853054 fiche technique
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Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS853054
4:1, DIFFERENTIAL-TO-3.3V OR 2.5V
LVPECL/ECL CLOCK MULTIPLEXER
GENERAL DESCRIPTION
The ICS853054 is an 4:1 Differential-to-3.3V or
ICS 2.5V LVPECL/ECL Clock Multiplexer which
HiPerClockS™ can operate up to 2.5GHz and is a member of
the HiPerClockS™ family of High Performance
Clock Solutions from ICS. The ICS853054 has 4
selectable differential clock inputs. The PCLKx, nPCLKx in-
put pairs can accept LVPECL, LVDS, CML or SSTL levels.
The fully differential architecture and low propagation
delay make it ideal for use in clock distribution circuits. The
select pins have internal pulldown resistors. The SEL1 pin is
the most significant bit and the binary number applied to the
select pins will select the same numbered data input (i.e., 00
selects PCLK0, nPCLK0).
FEATURES
High speed 4:1 differential multiplexer
One differential 3.3V or 2.5V LVPECL output
Four selectable differential PCLK, nPCLK inputs
PCLKx, nPCLKx pairs can accept the following
differential input levels: LVPECL, LVDS, CML, SSTL
Maximum output frequency: 3.2GHz
Translates any single ended input signal to
LVPECL levels with resistor bias on nPCLKx input
Part-to-part skew: TBD
Propagation delay: 465ps (typical)
Additive phase jitter, RMS: 0.238ps (typical)
LVPECL mode operating voltage supply range:
VCC = 2.375V to 3.465V, VEE = 0V
ECL mode operating voltage supply range:
V = 0V, V = -3.465V to -2.375V
CC EE
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
BLOCK DIAGRAM
PCLK0
nPCLK0
PCLK1
nPCLK1
PCLK2
nPCLK2
PCLK3
nPCLK3
00
01
10
11
SEL1 SEL0
Q
nQ
PIN ASSIGNMENT
PCLK0
nPCLK0
PCLK1
nPCLK1
VCC
SEL0
SEL1
VEE
1
2
3
4
5
6
7
8
16 VCC
15 Q
14 nQ
13 VEE
12 nPCLK3
11 PCLK3
10 nPCLK2
9 PCLK2
ICS853054
16-Lead TSSOP
4.4mm x 5.0mm x 0.92mm package body
G Package
Top View
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
853054AG
www.icst.com/products/hiperclocks.html
REV. A JANUARY 5, 2006
1

PagesPages 15
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