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ICST - LVPECL/ECL CLOCK MULTIPLEXER

Numéro de référence ICS853058
Description LVPECL/ECL CLOCK MULTIPLEXER
Fabricant ICST 
Logo ICST 





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ICS853058 fiche technique
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Integrated
Circuit
Systems, Inc.
PRELIMINARY
ICS853058
8:1, DIFFERENTIAL-TO-
3.3V OR 2.5V LVPECL/ECL CLOCK MULTIPLEXER
GENERAL DESCRIPTION
The ICS853058 is an 8:1 Differential-to-3.3V or
ICS 2.5V LVPECL / ECL Clock Multiplexer which can
HiPerClockS™ operate up to 2.5GHz and is a member of the
HiPerClockS™ family of High Performance Clock
Solutions from ICS. The ICS853058 has 8 differ-
ential selectable clock inputs. The PCLK, nPCLK input pairs
can accept LVPECL, LVDS, CML or SSTL levels. The fully dif-
ferential architecture and low propagation delay make it ideal
for use in clock distribution circuits. The select pins have inter-
nal pulldown resistors. The SEL2 pin is the most significant bit
and the binary number applied to the select pins will select the
same numbered data input (i.e., 000 selects PCLK0, nPCLK0).
FEATURES
High speed 8:1 differential multiplexer
1 differential 3.3V or 2.5V LVPECL output
8 selectable differential PCLK, nPCLK inputs
PCLKx, nPCLKx pairs can accept the following
differential input levels: LVPECL, LVDS, CML, SSTL
Maximum output frequency: 2.5GHz
Translates any single ended input signal to
LVPECL levels with resistor bias on nPCLKx input
Part-to-part skew: TBD
Propagation delay: 620ps (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
BLOCK DIAGRAM
PCLK0
nPCLK0
PCLK1
nPCLK1
PCLK2
nPCLK2
PCLK3
nPCLK3
PCLK4
nPCLK4
PCLK5
nPCLK5
PCLK6
nPCLK6
PCLK7
nPCLK7
000
001
010
011
100
101
110
111
SEL2 SEL1 SEL0
PIN ASSIGNMENT
PCLK0 1
24 PCLK7
nPCLK0 2
23 nPCLK7
PCLK1 3
22 PLCK6
nPCLK1 4
21 nPCLK6
VCC 5
20 VCC
SEL0 6
19 Q0
SEL1 7
18 nQ0
SEL2 8
17 VEE
PCLK2 9
16 PCLK5
nPCLK2 10 15 nPCLK5
PCLK3 11 14 PCLK4
nPCLK3 12 13 nPCLK4
Q0
nQ0
ICS853058
24-Lead, 173-MIL TSSOP
4.4mm x 7.8mm x 0.92mm body package
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.
853058AG
www.icst.com/products/hiperclocks.html
REV. A APRIL 13, 2004
1

PagesPages 15
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