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DS92LV3242 Datasheet Preview

DS92LV3242 Datasheet

Link-II Serializer/Deserializer

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DS92LV3241, DS92LV3242
www.ti.com
SNLS314D – SEPTEMBER 2009 – REVISED APRIL 2013
DS92LV3241/DS92LV3242 20-85 MHz 32-Bit Channel Link II Serializer / Deserializer
Check for Samples: DS92LV3241, DS92LV3242
FEATURES
1
2 Wide Operating Range Embedded Clock
SER/DES
– Up to 32-bit Parallel LVCMOS Data
– 20 to 85 MHz Parallel Clock
– Up to 2.72 Gbps Application Data Paylod
• Selectable Serial LVDS Bus Width
– Dual Lane Mode (20 to 50 MHz)
– Quad Lane Mode (40 to 85 MHz)
• Simplified Clocking Architecture
– No Separate Serial Clock Line
– No reference Clock Required
– Receiver Locks to Random Data
• On-Chip Signal Conditioning for Robust Serial
Connectivity
– Transmit Pre-Emphasis
– Data Randomization
– DC-Balance Encoding
– Receive Channel Deskew
– Supports up to 10m CAT-5 at 2.7 Gbps
• Integrated LVDS Terminations
• Built-in AT-SPEED BIST for End-to-End
System Testing
• AC-Coupled Interconnect for Isolation and
Fault Protection
• > 4KV HBM ESD Protection
• Space-Saving 64-pin TQFP Package
• Full Industrial Temperature Range : -40° to
+85°C
APPLICATIONS
• Industrial Imaging (Machine-Vision) and
Control
• Security & Surveillance Cameras and
Infrastructure
• Medical imaging
• Up to 30 bits per Pixel, VGA to HD Video
Transport and Display
DESCRIPTION
The DS92LV3241 (SER) serializes a 32-bit data bus
into 2 or 4 (selectable) embedded clock LVDS serial
channels for a data payload rate up to 2.72 Gbps
over cables such as CATx, or backplanes FR-4
traces. The companion DS92LV3242 (DES)
deserializes the 2 or 4 LVDS serial data channels,
de-skews channel-to-channel delay variations and
converts the LVDS data stream back into a 32-bit
LVCMOS parallel data bus.
On-chip data Randomization/Scrambling and DC
balance encoding and selectable serializer Pre-
emphasis ensure a robust, low-EMI transmission over
longer, lossy cables and backplanes. The
Deserializer automatically locks to incoming data
without an external reference clock or special sync
patterns, providing an easy “plug-and-lock” operation.
By embedding the clock in the data payload and
including signal conditioning functions, the Channel-
Link II SerDes devices reduce trace count, eliminate
skew issues, simplify design effort and lower
cable/connector cost for a wide variety of video,
control and imaging applications. A built-in AT-
SPEED BIST feature validates link integrity and may
be used for system diagnostics.
1
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.
All trademarks are the property of their respective owners.
2
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 © 2009–2013, Texas Instruments Incorporated




etcTI

DS92LV3242 Datasheet Preview

DS92LV3242 Datasheet

Link-II Serializer/Deserializer

No Preview Available !

DS92LV3241, DS92LV3242
SNLS314D – SEPTEMBER 2009 – REVISED APRIL 2013
Block Diagram
TxCLKIN
TxIN0
TxIN15
TxIN16
TxIN31
PDB
R_FB
BISTEN
MODE
VSEL
PRE
Mode Diagrams
PLL
CDR/PLL
High-Speed Serial Data
100: differential pairs
TxOUT0+
RxIN0+
TxOUT0 -
TxOUT1+
RxIN0 -
RxIN1 +
TxOUT1 -
TxOUT2+
RxIN1 -
RxIN2+
BIST
Control
TxOUT2 -
TxOUT3+
TxOUT3 -
Pre-Emp
Tx - SERIALIZER
REN
R_FB
PDB
RxIN2 -
RxIN3 +
RxIN3 -
BIST
Control
Rx - DESERIALIZER
DS92LV3241
DS92LV3242
RxCLKOUT
RxOUT0
RxOUT15
RxOUT16
RxOUT31
LOCK
TxOUT0P RxIN0P
D
R
TxOUT0N RxIN0N
D
32
TxIN
(LVCMOS Input)
D
TxOUT1P RxIN1P
R
TxOUT1N RxIN1N
R
32
RxOUT
(LVCMOS Output)
www.ti.com
MODE = L
(Dual Mode)
TxCLKIN
(20 MHz to 50 MHz)
D
R
RxCLKOUT
(20 MHz to 50 MHz)
Tx - SERIALIZER
Rx - DESERIALIZER
Figure 1. 'Dual Mode
2
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Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: DS92LV3241 DS92LV3242


Part Number DS92LV3242
Description Link-II Serializer/Deserializer
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