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PDF HMC855LC5 Data sheet ( Hoja de datos )
| Número de pieza | HMC855LC5 | |
| Descripción | 1:4 DEMUX | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HMC855LC5 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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v02.0614
HMC855LC5
28 Gbps, 1:4 DEMUX
w/ PROGRAMMABLE OUTPUT VOLTAGE
Typical Applications
The HMC855LC5 is ideal for:
• SONET OC-192
• Broadband Test & Measurement
• Serial Data Transmission up to 28 Gbps
• FPGA Interfacing
Features
Differential & Singe-Ended Operation
Half Rate Clock Input
Quarter Rate Reference Clock Output
Fast Rise and Fall Times: 22 ps
Low Power Consumption: 644 mW typ.
Programmable Differential
Output Voltage Swing: 450 - 1144 mV
Single Supply: -3.3V
32 Lead Ceramic 5x5 mm SMT Package: 25 mm2
Functional Diagram
General Description
The HMC855LC5 is a 1:4 demultiplexer designed for
data deserialization up to 28 Gbps. The device uses
both rising and falling edges of the half-rate clock to
sample the input data in sequence, D0-D3 and latches
the data onto the differential outputs. A quarter-rate
clock output generated on chip can be used to clock
the data into other devices. The demux is DC coupled
supporting broadband operation.
All clock and data inputs to the HMC855LC5 are CML
and terminated on-chip with 50 Ohms to the positive
supply, GND, and may be DC or AC coupled. The
differential outputs are source terminated to 50 Ohms
and may also be AC or DC coupled. Outputs can be
connected directly to a 50 Ohm ground terminated
system, or drive devices with CML logic input. The
HMC855LC5 also features an output level control
pin, VR, which allows for loss compensation or signal
level optimization. The HMC855LC5 operates from a
single -3.3V supply and is available in RoHS compliant
5x5 mm SMT package.
Electrical Specifications, TA = +25°C, Vee = -3.3V, VR = 0V
Parameter
Power Supply Voltage
Conditions
Min.
-3.6
Power Supply Current
Maximum Data Rate
Maximum Clock Rate, Half Rate
Input Voltage Range, CML
-1.5
Input Differential Voltage
Output Rise / Fall Time
Differential, 20% - 80%
100
Input Return Loss
Frequency <28 GHz
Typ.
-3.3
195
28
14
22
10
Max
-3.0
0.5
2000
Units
V
mA
Gbps
GHz
V
mV
ps
dB
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1 page  
v02.0614
HMC855LC5
28 Gbps, 1:4 DEMUX
w/ PROGRAMMABLE OUTPUT VOLTAGE
Eye Diagram @ 28 Gbps
Test Conditions:
Differential 400 mV data input and 300 mV clock
input. Pattern generated with a 215-1 PN 28 Gbps
PRBS pattern. Resulting in a 7 Gbps output measured
using a Tektronix CSA 8000
Timing Diagram
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4
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| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet HMC855LC5.PDF ] | |
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