MAX3890

+3.3V, 2.5Gbps, SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs

Low-Power, Low-Cost Transceiver Chipset

Data Sheet (Rev. 1)
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Overview

  • Single +3.3V Supply
  • 495mW Power Consumption
  • Exceeds ANSI, ITU, and Bellcore Specifications
  • 155Mbps (16-bit wide) Parallel to 2.5Gbps Serial Conversion
  • Clock Synthesis for 2.5Gbps
  • Multiple Clock Reference Frequencies (155.52MHz, 77.76MHz, 51.84MHz, 38.88MHz)
  • LVDS Parallel Clock and Data Inputs
  • Additional High-Speed Output for System Loopback Testing

The MAX3890 serializer is ideal for converting 16-bit-wide, 155Mbps parallel data to 2.5Gbps serial data in ATM and SDH/SONET applications. Operating from a single +3.3V supply, this device accepts low-voltage differential-signal (LVDS) clock and data inputs for interfacing with high-speed digital circuitry, and delivers PECL serial data and clock outputs. A fully integrated PLL synthesizes an internal 2.5GHz serial clock from a 155.52MHz, 77.76MHz, 51.84MHz, or 38.88MHz reference clock. A loopback data output is provided to facilitate system diagnostic testing.

The MAX3890 is available in the extended temperature range (-40°C to +85°C) in a 64-pin TQFP exposed- paddle (EP) package.

Applications

  • 2.5Gbps ATM/SONET Access Nodes
  • 2.5Gbps SDH/SONET Transmission Systems
  • Add/Drop Multiplexers
  • ATM Backplanes
  • Digital Cross-Connects
MAX3890
+3.3V, 2.5Gbps, SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs
MAX3890: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Interface Transceivers & Isolators 1
MAX3869
NOT RECOMMENDED FOR NEW DESIGNS +3.3V, 2.5Gbps SDH/SONET Laser Driver with Current Monitors and APC
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Tools & Simulations

IBIS Model 1

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