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LXT6155LE Datasheet(PDF) 1 Page - Intel Corporation |
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LXT6155LE Datasheet(HTML) 1 Page - Intel Corporation |
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1 / 50 page  LXT6155 155 Mbps SDH/SONET/ATM Transceiver Datasheet The LXT6155 is a high speed fully integrated transceiver designed for 155 Mbps SDH/SONET/ ATM transmission system applications. The LXT6155 provides a LVPECL interface for fiber optics modules, and a CMI interface for coax cable drive. These circuits are implemented using Level One’s proven low power 3.3V CMOS analog and digital circuits. The transmitter incorporates a parallel-to-serial converter, a frequency multiplier PLL, CMI line encoders, and line interfaces for both coax cable and optical fiber. The receiver incorporates an adaptive equalizer, a clock recovery PLL, Loss of Signal (LOS) detector, CMI and NRZ decoders, a serial-to-parallel converter, and an SDH/SONET frame byte detector/aligner. At the system interface, the LXT6155 offers both parallel 8-bit and serial differential interfaces. The LXT6155 also operates in either Hardware stand-alone mode or Software mode. Software mode is controlled by a serial microprocessor ( µP) to program formats and operating/test modes. Product Features Applications OC3/STM1 SDH/SONET Cross Connects OC3/STM1 SDH/SONET Add/Drop Mux OC3/STM1 Transmission Systems OC3/STM1 ShortHaulSerialLinks OC3/STM1 ATM/WAN Transmission Systems OC3/STM1 ATM/WAN Access Systems Features Complies with: — Bellcore SONET GR-253 — ITU-T G.703/813/958 STM1 Two line interface formats: —Fiber LVPECL NRZ —Coax CMI Transmit synthesizer PLL Receive clock recovery PLL Adaptive CMI equalizer Analog circuitry for transformer drive Programmable LOS function CMI encoder and decoder Serial/Parallel and Parallel/Serial conversion Byte alignment for SDH/SONET frames Two modes of operation: — Microprocessor controlled; software mode — Stand-alone; hardware mode No external crystal required. A 19.44 MHz crystal is optional Low power consumption (less than 760 mW typical) Operates from a single 3.3 V supply 64 pin LQFP package Order Number: 249612-001 January 2001 |
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