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MAX3875 - 2.5Gbps / Low-Power / #.3V Clock Recovery and Data Retiming IC

General Description

The MAX3875 is a compact, low-power clock recovery and data retiming IC for 2.488Gbps SDH/SONET applications.

The fully integrated phase-locked loop recovers a synchronous clock signal from the serial NRZ data input, which is retimed by the recovered clock.

Key Features

  • o Exceeds ANSI, ITU, and Bellcore SONET/SDH Regenerator Specifications o 400mW Power Dissipation (at +3.3V) o Clock Jitter Generation: 0.003UIRMS o Single +3.3V or +5V Power Supply o Fully Integrated Clock Recovery and Data Retiming o Additional High-Speed Input Facilitates System Loopback Diagnostic Testing o Tolerates >2000 Consecutive Identical Digits o Loss-of-Lock Indicator o Differential PECL-Compatible Data and Clock Outputs MAX3875 Ordering Information PART MAX3875EHJ MAX3875E/D TEMP.

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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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19-4789; Rev 0; 10/98 2.5Gbps, Low-Power, +3.3V Clock Recovery and Data Retiming IC General Description The MAX3875 is a compact, low-power clock recovery and data retiming IC for 2.488Gbps SDH/SONET applications. The fully integrated phase-locked loop recovers a synchronous clock signal from the serial NRZ data input, which is retimed by the recovered clock. Differential PECL-compatible outputs are provided for both clock and data signals, and an additional 2.488Gbps serial input is available for system loopback diagnostic testing. The device also includes a TTLcompatible loss-of-lock (LOL) monitor. The MAX3875 is designed for both section-regenerator and terminal-receiver applications in OC-48/STM-16 transmission systems.