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ST70134-ST70135A中文资料

厂家型号

ST70134-ST70135A

文件大小

57.4Kbytes

页面数量

8

功能描述

ASCOT ADSL MODEM CHIP SET FOR CPE

数据手册

下载地址一下载地址二到原厂下载

简称

STMICROELECTRONICS意法半导体

生产厂商

STMicroelectronics

中文名称

意法半导体集团官网

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ST70134-ST70135A数据手册规格书PDF详情

GENERAL DESCRIPTION

The ADSL modem chip set with ATM interface provides all the active functions required to build a complete ATM-based ADSL modem from line interface to ATM UTOPIA bus. The chip set employs Discrete MultiTone modulation as specified in ANSI T1.413.

The chip set operates at CPE end of the loop (ATU-R mode). Reed-Solomon forward error correction plus Trellis coding with or without interleaving in internal interleaving RAM provides maximum noise immunity (see Figure 3).

Interleaving is optional and can be used simultaneously on a slow channel (e.g., for data or control info) while a fast channel (e.g., video) operates without interleaving. ICs include rate adaptation capabilities during show time. In transmit direction the chip set allows to select an attenuation of the signal in case of short loops or large echo (politeness). In receive direction the chip set can optionally control an external multiplexer to select an external attenuation of the signal in case of short loops, and provide a 2-bit output external gain control.

■ COMPLETE CHIP SET FOR ADSL CPE MODEM

■ COMPLIANCE WITH ANSI T1.413 ISSUE

1 & ISSUE 2

■ COMPLIANCE WITH G.992.1 (FULL RATE) & G.992.2 (G. LITE)

■ IMPLEMENTS DISCRETE MULTITONE (DMT) MODULATION AND DEMODULA TION ON CPE SIDE

■ DATA RATES UP TO 8Mbps DOWNSTREAM AND TO 1Mbps UPSTREAM WITH 32Kbps GRANULARITY

■ BUILT-IN ATM TRANSPORT

■ SUPPORT ADAPTIVE RATE MODE IN 32Mbps INCREMENTS

■ 255/128 CARRIERS WITH 4.3125KHz SPACING

■ DEDICATED SOFTWARE DRIVER AVAILABLE

■ PROCESSOR INDEPENDENT C++ SOURCE COMPILATION

■ FREQUENCY DIVISION MULTIPLEXING (FDM) FOR HIGH ROBUSTNESS IN PRESENCE OF CROSSTALK

■ REED-SOLOMON FORWARD ERROR CORRECTION

■ TRELLIS CODER AND DECODER

■ PROGRAMMABLE SIMULTANEOUS SUPPORT OF INTERLEAVED AND NON-INTERLEAVED CHANNELS (DUAL LATENCY)

■ FULL, REDUCED AND MINIMAL ATM OVERHEAD FRAMING MODES

■ BIT STREAM MODE CAPABLITY FOR STM TRANSPORT

■ DIRECT CONNECTION TO ATM SYSTEMS VIA UTOPIA INTERFACE (LEVEL 1 OR 2)

■ MICROCONTROLLER INTERFACE WITH 16 BITS MULTIPLEXED ADDRESS/DATA BUS

■ LOW POWER TECHNOLOGY: 1.3w TOTAL

■ SINGLE 3.3V POWER SUPPLY

■ 0 TO +70°C OPERATING TEMPERATURE RANGE

APPLICATIONS

■ HIGH SPEED INTERNET ACCESS

■ REMOTE ACCESS TO CORPORATE NET WORK FOR TELECOMMUTERS AND BRANCH OFFICES

■ VIDEO-ON-DEMAND OVER TWISTED PAIR

■ CPE ADSL MODEMS, AND ROUTERS

■ ADSL PC NICs

■ G. LITE CPE SPLITTERLESS APPLICATIONS

更新时间:2025-6-10 16:21:00
供应商 型号 品牌 批号 封装 库存 备注 价格
STM
NA
8560
一级代理 原装正品假一罚十价格优势长期供货
ST/意法
25+
NA
880000
明嘉莱只做原装正品现货
ST
21+
原厂原封
23480
ST
2016+
QFP64
6528
只做原厂原装现货!终端客户个别型号可以免费送样品!
ST
16+
TQFP
2500
进口原装现货/价格优势!
ST
00+
QFP
1007
全新原装进口自己库存优势
ST
17+
QFP
9988
只做原装进口,自己库存
ST
20+
QFP64
500
样品可出,优势库存欢迎实单
ST
2022+
480
全新原装 货期两周
ST
23+
QFP
50000
全新原装正品现货,支持订货

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STMicroelectronics 意法半导体集团

中文资料: 160508条

意法半导体 (STMicroelectronics) 成立于1987年,总部位于瑞士日内瓦和法国巴黎,是一家全球领先的半导体公司。意法半导体专注于设计、制造和销售各种半导体解决方案,产品广泛应用于汽车、工业、消费电子、通信等领域。 意法半导体的产品包括微控制器、模拟集成电路、功率半导体、传感器等。公司拥有多个研发中心和生产基地,致力于技术创新和研发投入。意法半导体在全球范围内拥有广泛的客户群和合作伙伴,为客户提供高品质的产品和解决方案。 公司的使命是通过半导体技术推动智能化和可持续发展,助力客户取得成功。意法半导体不仅注重商业成功,还注重社会责任、环境保护和可持续经营。企业价值观包括创新、尊重