Datasheet > ST20190

ST20190

更新时间： 2024-09-29 22:42:43

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意法半导体 - STMICROELECTRONICS		调制解调器
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7页	81K
描述
ADSL, ADSL2 and ADSL+ Modem Chipset for CPE Applications with Utopia II Interface

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ST20190 数据手册

ST20190

ADSL, ADSL2 and ADSL+

Modem Chipset for CPE Applications with Utopia II Interface

DATA BRIEF

1 APPLICATIONS

Figure 1. Package

■ Low end and high end ADSL Bridge and Router

solutions

■ ADSL Modems / routers for residential and

SOHO broadband access to www and

corporate VPNs

TQFP100

LBGA208

■ Integrated Access Devices offering VoDSL or

VoIP applications

Table 1. Order Codes

■ Home gateway solutions

Part Number

ST20184

Package

TQFP100

LBGA208

2 FEATURES

■ High Integration

ST20196

– 2 chips, Line to ATM

– Direct ATM Interface

– Line Driver integrated

■ Complete modem package

– No dependency on external processor and

easy,straight forward integration with external

network processors

– Highly reduced bill of material cost

■ Support for multiple ADSL standards:

– ANSI T1.413 Issue2

– Full reference design kit for modem manufac-

turers, including schematics, layout, BoM,

HW design guide, firmware

– ITU G.992.1 (G.dmt)

■ Highest Performance

– Annex A, Annex B, Annex C

– ITU G.992.2 (G.Lite)

– Fully rate-adaptive

– ADSL mode > 12 Mbps in Downstream and >

1 Mbps in Upstream

– ITU G.992.3 (ADSL2)

– Annex A, B, C, I, J and L

– ITU G.992.4 (G.Lite bis)

– ITU G.992.5 (ADSL2+)

– Annex A, B, C, I, J and L

– ADSL+ mode > 20 Mbps in Downstream and

> 2 Mbps in Upstream when using 64 tones

(annex L)

3 OVERALL DESCRIPTION

– Support of ReachDSLTM with digital com-

panion chip

The ST20190 is a new generation ADSL chipset

from STMicroelectronics. It is highly integrated

and has the flexibility to offer all standards, all an-

nexes while being fully optimised for CPE applica-

tions. It provides all the required functions to

implement a complete Utopia rate adaptive DMT

ADSL modem. It consists of the optimised ADSL

Analogue Front-End chip ST20184 and the digital

chip ST20196 which includes a DMT/ATM mo-

dem, and a dedicated ADSL Transceiver Control-

ler with associated Firmware.

■ Cat II functionality: Trellis coding and echo

cancellation

■ Dual latency support: fast + interleaved

■ Small footprint packages allow high density

board designs

■ Embedded controller with cache for powerful

and flexible on chip control of the modem

operation

As shown in Fig.2, the chipset interfaces have

been defined to allow direct integration into sys-

tems design, reducing both time-to-market and im-

REV. 1

1/7

June 2004

This is preliminary information on a new product now in development. Details are subject to change without notice.

12 3 4 5 6 7

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与ST20190相关器件

型号	品牌	获取价格	描述	数据表
ST20196	STMICROELECTRONICS	获取价格	ADSL, ADSL2 and ADSL+ Modem Chipset for CPE Applications with Utopia II Interface
ST-201A	NEC	获取价格	DC Line Fileters
ST201A104CAR	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104CARAP1	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104CART	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104CARTR1	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104DAR	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104DARAP1	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104DART	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series
ST201A104DARTR1	KYOCERA AVX	获取价格	Radial Leads/SkyCapÂ®/SR Series

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