Datasheet > XRT94L33_07

XRT94L33_07

更新时间： 2024-01-28 11:45:26

品牌	Logo	应用领域
艾科嘉 - EXAR		异步传输模式 ATM
页数	文件大小	规格书
862页	3720K
描述
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - ATM REGISTERS

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中文翻译

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数据手册

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XRT94L33_07 数据手册

XRT94L33

3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER – ATM REGISTERS

March 2007

Rev 2.0.0

FEATURES

GENERAL DESCRIPTION

The XRT94L33 is a highly integrated SONET/SDH

terminator designed for E3/DS3/STS-1

mapping/de-mapping functions from either the

STS-3 or STM-1 data stream. The XRT94L33

interfaces directly to the optical transceiver

•

Provides DS3/ E3 mapping/de-mapping for up to

3 tributaries through SONET STS-1 or SDH AU-

3 and/or TUG-3/AU-4 containers

Generates and terminates SONET/SDH section,

line and path layers

The XRT94L33 processes the section, line and

path overhead in the SONET/SDH data stream and

also performs ATM and PPP PHY-layer

processing. The processing of path overhead bytes

within the STS-1s or TUG-3s includes 64 bytes for

storing the J1 bytes. Path overhead bytes can be

accessed through the microprocessor interface or

via serial interface.

•

Integrated SERDES with Clock Recovery Circuit

Provides SONET frame scrambling and

descrambling

•

Integrated Clock Synthesizer that generates 155

MHz and 77.76 MHz clock from an external

12.96/19.44/77.76 MHz reference clock

Integrated 3 E3/DS3/STS-1 De-Synchronizer

circuit that de-jitter gapped clock to meet

0.05UIpp jitter requirements

The XRT94L33 uses the internal E3/DS3 De-

Synchronizer circuit with an internal pointer leak

algorithm for clock smoothing as well as to remove

the jitter due to mapping and pointer movements.

These De-Synchronizer circuits do not need any

external clock reference for its operation.

•

Access to Line or Section DCC

Level 2 Performance Monitoring for E3 and DS3

The SONET/SDH transmit blocks allow flexible

insertion of TOH and POH bytes through both

Hardware and Software. Individual POH bytes for

the transmitted SONET/SDH signal are mapped

either from the XRT94L33 memory map or from

external interface. A1, A2 framing pattern, C1 byte

and H1, H2 pointer byte are generated.

Supports mixing of STS-1E and DS3 or E3 and

DS3 tributaries

•

UTOPIA Level 2 interface for ATM or level 2P for

Packets

E3 and DS3 framers for both Transmit and

Receive directions

The SONET/SDH receive blocks receive SONET

STS-3 signal or SDH STM-1 signal and perform the

necessary transport and path overhead processing.

Complete

Transport/Section

Overhead

Processing and generation per Telcordia and

ITU standards

The XRT94L33 provides

line side APS

•

Single PHY and Multi-PHY operations supported

(Automatic Protection Switching) interface by

offering redundant receive serial interface to be

switched at the frame boundary.

Full line APS support for redundancy

applications

The XRT94L33 provides 3 Mappers for performing

STS-1/VC-3 to STS-1/DS3/E3 mapping function,

one for each STS-1/DS3/E3 framers.

•

Loopback support for both SONET/SDH as well

as E3/DS3/STS-1

•

Boundary scan capability with JTAG IEEE 1149

8-bit microprocessor interface

A PRBS test pattern generation and detection is

implemented to measure the bit-error performance.

3.3 V ± 5% Power Supply; 5 V input signal

tolerance

A general-purpose microprocessor interface is

included for control, configuration and monitoring.

•

-40°C to +85°C Operating Temperature Range

APPLICATIONS

Available in a 504 Ball TBGA package

•

Network switches

Add/Drop Multiplexer

W-DCS Digital Cross Connect Systems

E Corporation 48720 Kato Road, Fremont CA, 94538 * (510) 668-7000 * Fax (510) 668-7017 * www.exar.com

12 3 4 5 6 7...862

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与XRT94L33_07相关器件

型号	品牌	获取价格	描述	数据表
XRT94L33_1	EXAR	获取价格	3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER ATM/PPP - HARWARE MANUAL
XRT94L33_2	EXAR	获取价格	3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - SDH REGISTERS
XRT94L33_3	EXAR	获取价格	-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER - SONET REGISTERS
XRT94L33IB	EXAR	获取价格	3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
XRT94L43	EXAR	获取价格	SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
XRT94L43_06	EXAR	获取价格	SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
XRT94L43A	EXAR	获取价格	SONET/SDH OC-12 TO 12XDS3/E3 MAPPER
XRT94L43IB	EXAR	获取价格	SONET/SDH STS-12/STM-4 TO E3/DS3/STS-1 MAPPER/DEMAPPER
XRT94L55	EXAR	获取价格	SONET/SDH OC-48/STM-16, 4XOC-12/STM-4, 16XOC-
XRT94L55IV	EXAR	获取价格	SONET/SDH OC-48/STM-16, 4XOC-12/STM-4, 16XOC-

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