Datasheet > SY89841UMG

SY89841UMG

更新时间： 2024-11-23 04:02:03

品牌	Logo	应用领域
麦瑞 - MICREL		复用器脉冲
页数	文件大小	规格书
15页	1122K
描述
Precision LVDS Runt Pulse Eliminator 2:1 Multiplexer

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SY89841UMG 数据手册

SY89841U

Precision LVDS Runt Pulse

Eliminator 2:1 Multiplexer

General Description

The SY89841U is a low jitter LVDS, 2:1 input

multiplexer (MUX) optimized for redundant source

switchover applications. Unlike standard

multiplexers, the SY89841U unique 2:1 Runt Pulse

Eliminator (RPE) MUX prevents any short cycles or

“runt” pulses during switchover. In addition, a unique

Fail-safe Input protection prevents metastable

conditions when the selected input clock fails to a

DC voltage (voltage between the pins of the

differential input drops below 100mV).

Precision Edge^®

Features

• Selects between two sources, and provides a

glitch-free, stable LVDS output

• Guaranteed AC performance over temperature

and supply voltage:

– wide operating frequency: 1kHz to >1.5GHz

– <870ps In-to-Out t_pd

– <150ps t_r/t_f

The differential input includes Micrel’s unique, 3-pin

input termination architecture that allows customers

to interface to any differential signal (AC- or DC-

coupled) as small as 100mV (200mV_pp) without any

level shifting or termination resistor networks in the

signal path. The outputs are 350mV, LVDS with fast

rise/fall times guaranteed to be less than 150ps.

• Unique patent-pending input isolation design

minimizes crosstalk

• Fail-safe input prevents oscillations

• Ultra-low jitter design:

– <1ps_rmsrandom jitter

– <1ps_rmscycle-to-cycle jitter

– <10ps_pptotal jitter (clock)

– <0.7ps_rmsMUX crosstalk induced jitter

The SY89841U operates from a 2.5V ±5% supply

and is guaranteed over the full industrial

temperature range of –40°C to +85°C. The

SY89841U is part of Micrel’s high-speed, Precision

Edge^®product line. All support documentation can

be found on Micrel’s web site at: www.micrel.com.

• Unique patent-pending input termination and VT

pin accepts DC-coupled and AC-coupled inputs

(CML, PECL, LVDS)

• 350mV LVDS output swing

• 2.5V +5% power supply

• –40°C to +85°C industrial temperature range

• Available in 16-pin (3mm x 3mm) MLF™ package

Applications

• Redundant clock switchover

• Fail-safe clock protection

Markets

• LAN/WAN

• Enterprise servers

• ATE

• Test and measurement

Precision Edge is a registered trademark of Micrel, Inc.

MicroLeadFrame and MLF are trademarks of Amkor Technology, Inc.

February 2005

M9999-021405

hbwhelp@micrel.com or (408) 955-1690

12 3 4 5 6 7...15

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与SY89841UMG相关器件

型号	品牌	获取价格	描述	数据表
SY89841UMGTR	MICREL	获取价格	Precision LVDS Runt Pulse Eliminator 2:1 Multiplexer
SY89841UMG-TR	MICROCHIP	获取价格	9559 SERIES, 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, QCC16
SY89842U	MICREL	获取价格	Precision CML Runt Pulse Eliminator 2:1 Multiplexer
SY89842U	MICROCHIP	获取价格	The SY89842U is a low jitter CML, 2:1 differential input multiplexer (MUX) optimized for r
SY89842U_10	MICREL	获取价格	Precision CML Runt Pulse Eliminator 2:1
SY89842UMG	MICROCHIP	获取价格	89842 SERIES, 2 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, QCC16
SY89842UMGTR	MICREL	获取价格	Precision CML Runt Pulse Eliminator 2:1
SY89843U	MICREL	获取价格	Precision LVPECL Runt Pulse Eliminator 2:1 MUX with 1:2 Fanout and Internal Termination
SY89843U	MICROCHIP	获取价格	The SY89843U is a low jitter PECL, 2:1 differential input multiplexer (MUX) optimized for
SY89843U_10	MICREL	获取价格	Precision LVPECL Runt Pulse Eliminator 2:1

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