DS32ELX0124 and DS32ELX0421 SerDes

125 MHz to 312.5 MHz SerDes with DDR LVDS Parallel Interface

Image of Texas Instruments' DS32ELX0124 and DS32ELX0421 SerDesTexas Instruments' DS32ELX0124 deserializer and DS32ELX0421 serializer are for high-speed serial transmission up to 3.125 Gbps 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 Features
DS32ELX0421 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
  • 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 (50 Ω or 75 Ω)
  • Built-in test pattern generator
  • Loss of lock and error reporting
  • Configurable via SMBus
  • 48-pin LLP package with exposed DAP
DS32ELX0124 Key Specifications
DS32ELX0421 Key Specifications
  • 1.25 Gbps to 3.125 Gbps serial data rate
  • 125 MHz to 312.5 MHz DDR parallel clock
  • -40°C to +85°C temperature range
  • >8 kV ESD (HBM) protection
  • 0.5 UI minimum input jitter tolerance (1.25 Gbps)
  • 1.25 Gbps to 3.125 Gbps serial data rate
  • 125 MHz to 312.5 MHz DDR parallel clock
  • -40°C to +85°C temperature range
  • >8 kV ESD (HBM) protection
  • Low intrinsic jitter - 35 ps at 3.125 Gbps
Applications
  • Imaging: industrial, medical security, printers
  • Displays: LED walls, commercial
  • Video transport
  • Communication systems
  • Test and measurement
  • Industrial bus

DS32ELX0124 and DS32ELX0421 SerDes

ImageManufacturer Part NumberDescriptionPart StatusFunctionAvailable Quantity
DS32ELX0421SQE/NOPB datasheet linkIC SERIALIZR DDR LVDS PAR 48WQFNDS32ELX0421SQE/NOPBIC SERIALIZR DDR LVDS PAR 48WQFNActiveSerializer368 - Immediate
1000 - Factory Stock
DS32ELX0421SQE/NOPB product page link
DS32ELX0124SQE/NOPB datasheet linkIC DESERIAL W/DDR LVDS 48WQFNDS32ELX0124SQE/NOPBIC DESERIAL W/DDR LVDS 48WQFNDiscontinuedDeserializer0DS32ELX0124SQE/NOPB product page link
Published: 2009-10-16