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MAX3840 - +3.3V / 2.7Gbps Dual 2 x 2 Crosspoint Switch

General Description

The MAX3840 is a dual 2 ✕ 2 asynchronous crosspoint switch for SDH/SONET DWDM and other high-speed data switching applications where serial data stream loop-through and protection channel switching are required.

It is ideal for OC-48 systems with forward error correction.

Key Features

  • MAX3840 o Single +3.3V Supply o 460mW Power Consumption o 2psRMS Random Jitter o 7psP-P Deterministic Jitter o Power-Down Feature for Deselected Outputs o CML Inputs/Outputs o 6ps Channel-to-Channel Skew o 100ps Output Edge Speed o 5mm ✕ 5mm 32 QFN Package ________________________.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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19-1854; Rev 1; 11/01 +3.3V, 2.7Gbps Dual 2 General Description The MAX3840 is a dual 2 ✕ 2 asynchronous crosspoint switch for SDH/SONET DWDM and other high-speed data switching applications where serial data stream loop-through and protection channel switching are required. It is ideal for OC-48 systems with forward error correction. A high-bandwidth, fully differential signal path minimizes jitter accumulation, crosstalk, and signal skew. Each 2 ✕ 2 crosspoint switch can fan out and/or multiplex up to 2.7Gbps data and 2.7GHz clock signals. All inputs and outputs are current mode logic (CML) compatible and easily adaptable to interface with an AC-coupled LVPECL signal. When not used, each CML output stage can be powered down with an enable control to conserve power.