Datasheet > DS91M125

DS91M125

更新时间： 2024-11-21 06:54:43

品牌	Logo	应用领域
美国国家半导体 - NSC		中继器
页数	文件大小	规格书
12页	365K
描述
125 MHz 1:4 M-LVDS Repeater with LVDS Input

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DS91M125 数据手册

November 9, 2009

DS91M125

125 MHz 1:4 M-LVDS Repeater with LVDS Input

General Description

Features

■

The DS91M125 is a 1:4 M-LVDS repeater designed for driv-

ing and distributing clock or data signals to up to four multi-

point networks.

DC - 125 MHz / 250 Mbps low jitter, low skew, low power

operation

Independent Driver Enable pins

■

M-LVDS (Multipoint LVDS) is a new family of bus interface

devices based on LVDS technology specifically designed for

multipoint and multidrop cable and backplane applications. It

differs from standard LVDS in providing increased drive cur-

rent to handle double terminations that are required in multi-

point applications. Controlled transition times minimize re-

flections that are common in multipoint configurations due to

unterminated stubs.

Outputs Conform to TIA/EIA-899 M-LVDS Standard

Controlled transition times minimize reflections

Inputs Conform to TIA/EIA-644-A LVDS Standard

8 kV ESD on M-LVDS output pins protects adjoining

components

Flow-through pinout simplifies PCB layout

■

Industrial operating temperature range (−40°C to +85°C)

Available in a space saving SOIC-16 package

A single DS91M125 channel is a 1:4 repeater that accepts

M-LVDS/LVDS/CML/LVPECL signals and converts them to

M-LVDS signal levels. Each output has an associated inde-

pendent driver enable pin. The DS91M125 input conforms to

the LVDS standard.

Applications

Multidrop / Multipoint clock and data distribution

■

High-Speed, Low Power, Short-Reach alternative to

TIA/EIA-485/422

The DS91M125 has a flow-through pinout for easy PCB lay-

out. It provides a new alternative for high speed multipoint

interface applications. It is packaged in a space saving

SOIC-16 package.

Clock distribution in AdvancedTCA (ATCA) and MicroTCA

(μTCA, uTCA) backplanes

■

Typical Application

30054202

300542

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