DS32EL0124, DS32ELX0124
www.ti.com
SNLS284K –MAY 2008–REVISED APRIL 2013
DS32EL0124 , DS32ELX0124 125 MHz - 312.5 MHz FPGA-Link Deserializer with DDR LVDS
Parallel Interface
Check for Samples: DS32EL0124, DS32ELX0124
1
FEATURES
KEY SPECIFICATIONS
2
• 5-bit DDR LVDS Parallel Data Interface
• 1.25 to 3.125 Gbps Serial Data Rate
• Programmable Receive Equalization • 125 to 312.5 MHz DDR Parallel Clock
• Selectable DC-Balance Decoder • -40° to +85°C Temperature Range
• Selectable De-Scrambler • > 8 kV ESD (HBM) Protection
• Remote Sense for Automatic Detection and • 0.5 UI Minimum Input Jitter Tolerance (1.25
Negotiation of Link Status Gbps)
• No External Receiver Reference Clock
DESCRIPTION
Required
The DS32EL0124/DS32ELX0124 integrates clock
• LVDS Parallel Interface
and data recovery modules for high-speed serial
• Programmable LVDS Output Clock Delay
communication over FR-4 printed circuit board
• Supports Output Data-Valid Signaling
backplanes, balanced cables, and optical fiber. This
easy-to-use chipset integrates advanced signal and
• Supports Keep-Alive Clock Output
clock conditioning functions, with an FPGA friendly
• On Chip LC VCOs
interface.
• Redundant Serial Input (ELX device only)
The DS32EL0124/DS32ELX0124 deserializes up to
• Retimed Serial Output (ELX device only)
3.125 Gbps of high speed serial data to 5 LVDS
• Configurable PLL Loop Bandwidth
outputs without the need for an external reference
clock. With DC-balance decoding enabled, the
• Configurable via SMBus
application payload of 2.5 Gbps is deserialized to 4
• Loss of Lock and Error Reporting
LVDS outputs.
• 48-pin WQFN Package with Exposed DAP
The DS32EL0124/DS32ELX01214 deserializers
feature a remote sense capability to automatically
APPLICATIONS
signal link status conditions to its companion
• Imaging: Industrial, Medical Security, Printers
DS32EL0421/ELX0421 serializers without requiring
an additional feedback path.
• Displays: LED Walls, Commercial
The parallel LVDS interface of these devices reduce
• Video Transport
FPGA I/O pins, board trace count and alleviates EMI
• Communication Systems
issues, when compared to traditional single-ended
• Test and Measurement
wide bus interfaces.
• Industrial Bus
The DS32EL0124/ELX0124 is programmable through
a SMBus interface as well as through control pins.
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.
2All trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008–2013, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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