SN55LVCP22-SP
www.ti.com
SLLSE43 –JUNE 2012
CLASS V 2x2 LVDS CROSSPOINT SWITCH
Check for Samples: SN55LVCP22-SP
1
FEATURES
DESCRIPTION
The SN55LVCP22 is
•
High Speed (>1000 Mbps) Upgrade for
DS90CP22 2x2 LVDS Crosspoint Switch
a
2×2 crosspoint switch
providing greater than 1000 Mbps operation for each
path. The dual channels incorporate wide common-
mode (0 V to 4 V) receivers, allowing for the receipt
of LVDS, LVPECL, and CML signals. The dual
outputs are LVDS drivers to provide low-power, low-
EMI, high-speed operation. The SN55LVCP22
provides a single device supporting 2:2 buffering
(repeating), 1:2 splitting, 2:1 multiplexing, 2×2
switching, and LVPECL/CML to LVDS level
translation on each channel. The flexible operation of
the SN55LVCP22 provides a single device to support
the redundant serial bus transmission needs (working
and protection switching cards) of fault-tolerant switch
systems found in optical networking, wireless
infrastructure, and data communications systems. TI
offers additional gigabit repeater/ translator and
crosspoint products in the SN65LVDS100 and
SN65LVDS122.
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Low-Jitter Fully Differential Data Path
50 ps (Typ), of Peak-to-Peak Jitter With PRBS
= 223–1 Pattern
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Less Than 200 mW (Typ), 300 mW (Max) Total
Power Dissipation
Output (Channel-to-Channel) Skew Is 80 ps
(Typ)
Configurable as 2:1 Mux, 1:2 Demux, Repeater
or 1:2 Signal Splitter
Inputs Accept LVDS, LVPECL, and CML
Signals
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•
•
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Fast Switch Time of 1.7 ns (Typ)
Fast Propagation Delay of 0.65 ns (Typ)
Available in 16 pin CFP Package
Inter-Operates With TIA/EIA-644-A LVDS
Standard
The SN55LVCP22 uses a fully differential data path
to ensure low-noise generation, fast switching times,
low pulse width distortion, and low jitter. Output
channel-to- channel skew is 80 ps (typ) to ensure
accurate alignment of outputs in all applications. Both
SOIC and TSSOP package options are available to
allow easy upgrade for existing solutions, and board
area savings where space is critical.
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Military Temperature Range: –55°C to 125°C
APPLICATIONS
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Base Stations
Add/Drop Muxes
Protection Switching for Serial Backplanes
Network Switches/Routers
Optical Networking Line Cards/Switches
Clock Distribution
OUTPUTS OPERATING SIMULTANEOUSLY
1 Gbps
23
2
-1 PRBS
OUTPUT 1
V
= 3.3 V
CC
|V | = 200 mV, V = 1.2 V
ID
IC
Vertical Scale = 200 mV/div
OUTPUT 2
500 MHz
Horizontal Scale = 300 ps
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2012, Texas Instruments Incorporated
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