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Product details

Parameters

Function Equalizer, Mux buffer Protocols LVDS, LVPECL, CML Number of transmitters 2, 4 Number of receivers 2, 4 Supply voltage (V) 3.3 Signaling rate (Mbps) 4250 Input signal CML Output signal CML Rating Catalog Operating temperature range (C) -40 to 85 open-in-new Find other LVDS, M-LVDS & PECL ICs

Package | Pins | Size

WQFN (NJU) 48 49 mm² 7 x 7 open-in-new Find other LVDS, M-LVDS & PECL ICs

Features

  • 1– 4.25 Gbps Fully Differential Data Paths
  • Fixed Input Equalization
  • Programmable Output Pre-emphasis
  • Independent Switch and Line Side Pre-emphasis Controls
  • Programmable Switch-side Loopback Mode
  • On-chip Terminations
  • +3.3V Dupply
  • ESD Rating HBM 6 kV
  • Lead-less WQFN-48 Package (7mmx7mmx0.8mm, 0.5mm Pitch)
  • –40°C to +85°C Operating Temperature Range

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Description

The DS42MB200 is a dual signal conditioning 2:1 multiplexer and 1:2 fan-out buffer designed for use in backplane redundancy applications. Signal conditioning features include input equalization and programmable output pre-emphasis that enable data communication in FR4 backplanes up to 4.25 Gbps. Each input stage has a fixed equalizer to reduce ISI distortion from board traces.

All output drivers have 4 selectable steps of pre-emphasis to compensate for transmission losses from long FR4 backplanes and reduce deterministic jitter. The pre-emphasis levels can be independently controlled for the line-side and switch-side drivers. The internal loopback paths from switch-side input to switch-side output enable at-speed system testing. All receiver inputs are internally terminated with 100Ω differential terminating resistors. All driver outputs are internally terminated with 50Ω to VCC.

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Technical documentation

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Type Title Date
* Datasheet DS42MB200 Dual 4.25Gbps 2:1/1:2 CML Mux/Buffer w/Transmit Pre-Emph & Rcve Equal datasheet (Rev. G) Apr. 18, 2013

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WQFN (NJU) 48 View options

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