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DS32ELX0421 - 产品图解：
DS32ELX0421-具有 DDR LVDS 并行接口的 125 MHz - 312.5 MHz FPGA 链接串行器
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TI产品 - DS32ELX0421介绍

DS32ELX0421 - 具有 DDR LVDS 并行接口的 125 MHz - 312.5 MHz FPGA 链接串行器

DS32ELX0421是TI德州仪器公司的一款FPGA链接产品，DS32ELX0421是具有 DDR LVDS 并行接口的 125 MHz - 312.5 MHz FPGA 链接串行器，本站介绍了DS32ELX0421的封装应用图解、特点和优点、功能等，并给出了与DS32ELX0421相关的TI元器件型号供参考。

DS32ELX0421 - 具有 DDR LVDS 并行接口的 125 MHz - 312.5 MHz FPGA 链接串行器 - FPGA链接 - 串行器、解串器 - 德州仪器

产品描述

The DS32EL0421/DS32ELX0421 is a 125 MHz to 312.5 MHz (DDR) serializer for high-speed serial transmission 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.

The DS32EL0421/DS32ELX0421 serializes up to 5 parallel input LVDS channels to create a maximum data payload of 3.125 Gbps. If the integrated DC-balance encoding is enabled, the maximum data payload achievable is 2.5 Gbps.

The DS32EL0421/DS32ELX0421 serializers feature remote sense capability to automatically detect and negotiate link status with its companion DS32EL0124/DS32ELX0124 deserializers without requiring an additional feedback path.

The parallel LVDS interface reduces FPGA I/O pins, board trace count and alleviates EMI issues, when compared to traditional single-ended wide bus interfaces.

The DS32EL0421/DS32ELX0421 is programmable through a SMBus interface as well as through control pins.

产品特性

  • 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? or 75?).
  • Built-in Test Pattern Generator
  • Loss of Lock and Error Reporting
  • Configurable via SMBus
  • 48-pin WQFN Package with Exposed DAP

Key Specifications

  • 1.25 to 3.125 Gbps Serial Data Rate
  • 125 to 312.5 MHz DDR Parallel Clock
  • -40° to +85°C Temperature Range
  • >8 kV ESD (HBM) Protection
  • Low Intrinsic Jitter — 35ps at 3.125 Gbps

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