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MAX3831 - 4-Channel Interconnect Mux/Demux ICs

General Description

The MAX3831/MAX3832 are 4:1 multiplexers (muxes) and 1:4 demultiplexers (demuxes) with automatic channel assignment.

Operating from a single +3.3V supply, the mux receives four parallel, 622Mbps SDH/SONET channels.

Key Features

  • o +3.3V Single Supply o 1.45W Power Dissipation (MAX3831) o 4-Channel Mux/Demux with Fully Integrated 2.488GHz Clock Generator o Frame Detection Maintains Channel Assignment o ±7.5ns Elastic Store Range o 2.5ps RMS Serial-Data Output Random Jitter o 8ps Serial-Data Output Deterministic Jitter o 622Mbps LVDS Parallel Input/Output o 2.488Gbps Serial CML Input/Output o On-Chip Pattern Generator Provides High-Speed BIST o System Test Flexibility: System Loopback, Line Loopback o Loss-of-Frame Indica.

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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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19-1534; Rev 1; 10/99 +3.3V, 2.5Gbps, SDH/SONET, 4-Channel Interconnect Mux/Demux ICs with Clock Generator General Description The MAX3831/MAX3832 are 4:1 multiplexers (muxes) and 1:4 demultiplexers (demuxes) with automatic channel assignment. Operating from a single +3.3V supply, the mux receives four parallel, 622Mbps SDH/SONET channels. These channels are bit interleaved to generate a serial data stream of 2.488Gbps for interfacing to an optical or an electrical driver. A 10-bit-wide elastic buffer tolerates up to ±7.5ns skew between any parallel data input and the reference clock. An external 155MHz reference clock is required for the on-chip PLL to synthesize a high-frequency 2.488GHz clock for timing the outgoing data streams. The MAX3831/MAX3832’s demux receives 2.