Datasheet > DS42MB100

DS42MB100

更新时间： 2024-11-27 11:11:55

品牌	Logo	应用领域
德州仪器 - TI		复用器
页数	文件大小	规格书
24页	965K
描述
具有发送预加重和接收均衡功能的 4.25Gbps 2:1/1:2 CML 多路复用器/缓冲器

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DS42MB100

SNLS244H –SEPTEMBER 2006–REVISED JANUARY 2016

DS42MB100 4.25-Gbps 2:1/1:2 CML MUX/Buffer

With Transmit Pre-Emphasis and Receive Equalization

1 Features

3 Description

The DS42MB100 device is a signal conditioning 2:1

•

2:1 Multiplexer and 1:2 Buffer

multiplexer and 1:2 fan-out buffer designed for use in

backplane-redundancy or cable driving applications.

Signal conditioning features include continuous time

linear equalization (CTLE) and programmable output

pre-emphasis that enable data communication in FR4

backplane up to 4.25 Gbps. Each input stage has a

fixed equalizer to reduce ISI distortion from board

traces.

0.25-Gbps to 4.25-Gbps Fully Differential Data

Paths

•

Fixed Input Equalization

Programmable Output Pre-Emphasis

Independent Pre-Emphasis Controls

Programmable Loopback Modes

On-Chip Terminations

All output drivers have four selectable levels of pre-

emphasis to compensate for transmission losses from

long FR4 backplane or cable attenuation reducing

deterministic jitter. The pre-emphasis levels can be

independently controlled for the line-side and switch-

side drivers. The internal loopback paths from switch-

side input to switch-side output enable at-speed

system testing. All receiver inputs are internally

terminated with 100-Ω differential terminating

resistors. All driver outputs are internally terminated

ESD Rating of 6-kV HBM

3.3-V Supply

Lead-Less WQFN-36 Package

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

2 Applications

•

Backplane Drivers or Cable Drivers

Redundancy and Signal Conditioning Applications

CPRI/OBSAI

with 50-Ω terminating resistors to V_CC

Device Information⁽¹⁾

PART NUMBER

PACKAGE

WQFN (36)

BODY SIZE (NOM)

6.00 mm × 6.00 mm

DS42MB100

(1) For all available packages, see the orderable addendum at

the end of the data sheet.

Simplified Block Diagram

Switch Side

Line Side

IN0 +-

EQS

OUT+-

DE_L

IN1 +-

LB0

MUX

OUT0 +-

DE_S

OUT1 +-

LB1

IN+-

EQL

DEL_0

DEL_1

VCC

GND

RSV

DE _L

DE_S

Pre-emphasis

Control

DES_0

DES_1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...24

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DS42MB100 替代型号

型号	品牌	替代类型	描述	数据表
DS15MB200	TI	功能相似	具有预加重功能的双路 1.5Gbps 2:1/1:2 LVDS 多路复用器/缓冲器
DS25MB200	TI	功能相似	具有发送预加重和接收均衡功能的双路 2.5Gbps 2:1/1:2 CML 多路复用器/缓
DS25MB100	TI	功能相似	具有发送预加重和接收均衡功能的 2.5Gbps 2:1/1:2 CML 多路复用器/缓冲器

与DS42MB100相关器件

型号	品牌	获取价格	描述	数据表
DS42MB100TSQ	NSC	获取价格	4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization
DS42MB100TSQ/NOPB	TI	获取价格	具有发送预加重和接收均衡功能的 4.25Gbps 2:1/1:2 CML 多路复用器/缓冲
DS42MB100TSQE/NOPB	TI	获取价格	4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization 36-WQ
DS42MB200	NSC	获取价格	Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization
DS42MB200	TI	获取价格	DS42MB200 Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equ
DS42MB200_07	NSC	获取价格	Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equalization
DS42MB200_14	TI	获取价格	DS42MB200 Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equ
DS42MB200TSQ	TI	获取价格	DS42MB200 Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer with Transmit Pre-Emphasis and Receive Equ
DS42MB200TSQ/NOPB	TI	获取价格	Dual 4.25 Gbps 2:1/1:2 CML Mux/Buffer w/ Tx Pre-Emphasis & Rx Equalization 48-WQFN
DS430	ETC	获取价格	Analog IC

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