DS32ELX0124 and DS32ELX0421 SerDes


125MHz to 312.5MHz SerDes with DDR LVDS Parallel Interface - Available at Digi-Key

National Semiconductor's DS32ELX0124 deserializer and DS32ELX0421 serializer are for high-speed serial transmission up to 3.125Gbps over FR-4 printed circuit board backplanes, balanced cables, and optical fiber. This easy-to-use chipset integrates advanced signal and clock conditioning functions with an FPGA-friendly interface.
DS32ELX0124 Datasheet      DS32ELX0421 Datasheet
National Semiconductor DS32ELX0124 and DS32ELX0421 Serializers
  • Features
  • Applications
  • Specifications
  • Buy Now


DS32ELX0124 Features
  • 5-bit DDR LVDS parallel data interface
  • Programmable Receive Equalization
  • Selectable DC-balance decoder
  • Selectable De-scrambler
  • Remote Sense for automatic detection and negotiation of link status
  • No external receiver reference clock required
  • LVDS parallel interface
  • Programmable LVDS output clock delay
  • Supports output data-valid signaling
  • Supports keep-alive clock output
  • On chip LC VCOs
  • Redundant serial input (ELX device only)
  • Retimed serial output (ELX device only)
  • Configurable PLL loop bandwidth
  • Configurable via SMBus
  • Loss of lock and error reporting
  • 48-pin LLP package with exposed DAP

DS32ELX0421 Features
  • 5-bit DDR LVDS parallel data interface
  • Programmable transmit de-emphasis
  • Configurable output levels (VOD)
  • Selectable DC-balanced encoder
  • Selectable data scrambler
  • Remote Sense for automatic detection and negotiation of link status
  • On chip LC VCOs
  • Redundant serial output (ELX device only)
  • Data valid signaling to assist with synchronization of multiple receivers
  • Supports AC- and DC-coupled signaling
  • Integrated CML and LVDS terminations
  • Configurable PLL loop bandwidth
  • Programmable output termination (50Ω or 75Ω)
  • Built-in test pattern generator
  • Loss of lock and error reporting
  • Configurable via SMBus
  • 48-pin LLP package with exposed DAP


Applications
  • Imaging: industrial, medical security, printers
  • Displays: LED walls, commercial
  • Video transport
  • Communication systems
  • Test and measurement
  • Industrial bus

  RoHS Compliant


DS32ELX0124 Key Specifications
  • 1.25Gbps to 3.125Gbps serial data rate
  • 125MHz to 312.5MHz DDR parallel clock
  • -40°C to +85°C temperature range
  • > 8kV ESD (HBM) protection
  • 0.5 UI minimum input jitter tolerance (1.25Gbps)

DS32ELX0421 Key Specifications
  • 1.25Gbps to 3.125Gbps serial data rate
  • 125MHz to 312.5MHz DDR parallel clock
  • -40°C to +85°C temperature range
  • > 8kV ESD (HBM) protection
  • Low intrinsic jitter - 35ps at 3.125Gbps


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 Available in Tape & Reel (TR-ND), Cut Tape (CT-ND), and custom Digi-Reel® (DKR-ND)
Digi-Key
Part Number
National Semi
Part Number
Input Type /
Output Type
Voltage -
Supply
Data Rate
Package /
Case
DS32ELX0124SQE/NOPB
LVDS / LVDS
2.5V, 3.3V
3.125Gbps
48-LLP
DS32ELX0421SQE/NOPB
LVDS / CML