參數(shù)資料
型號(hào)： LXT6155LE
元件分類： 通信、網(wǎng)絡(luò)模塊及開(kāi)發(fā)工具
英文描述： Telecomm/Datacomm
中文描述： 電信/數(shù)據(jù)通信
文件頁(yè)數(shù)： 1/48頁(yè)
文件大?。?/td> 1105K
代理商： LXT6155LE
Intel
LXT6155
155 Mbps SDH/SONET/ATM Transceiver
Datasheet
The Intel
LXT6155 is a high speed fully integrated transceiver designed for 155 Mbps SDH/
SONET/ATM transmission system applications. The Intel
LXT6155 provides a LVPECL
interface for fiber optics modules, and a CMI interface for coax cable drive. These circuits are
implemented using Intel’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 Intel
LXT6155 offers both parallel 8-bit and serial differential interfaces.
The Intel
LXT6155 also operates in either Hardware stand-alone mode or Software mode.
Software mode is controlled by a serial microprocessor (
μ
P) to program formats and operating/
test modes.
Product Features
Applications
■
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
■
OC3/STM1 SDH/SONET Cross Connects
■
OC3/STM1 SDH/SONET Add/Drop Mux
■
OC3/STM1 Transmission Systems
■
OC3/STM1 Short Haul Serial Links
■
OC3/STM1 ATM/WAN Transmission
Systems
■
OC3/STM1 ATM/WAN Access Systems
Order Number: 249612-003
August 2002
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