Datasheet > SY89465U

SY89465U

更新时间： 2024-09-30 04:30:07

品牌	Logo	应用领域
麦瑞 - MICREL		脉冲
页数	文件大小	规格书
19页	2421K
描述
Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination

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SY89465U 数据手册

SY89465U

Precision LVDS 1:10 Fanout with 2:1 Runt

Pulse Eliminator MUX and Internal Termination

General Description

The SY89465U is a low jitter, 1:10 LVDS fanout

buffer with a 2:1 differential input multiplexer (MUX)

optimized for redundant source switchover

applications. Unlike standard multiplexers, the

SY89465Us 2:1 Runt Pulse Eliminator (RPE) MUX

prevents any short cycles or “runt” pulses during

switchover. In addition, a unique Fail-Safe Input

(FSI) 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 10

precision LVDS copies

• Guaranteed AC performance over temperature and

supply voltage:

– Wide operating frequency: 1kHz to >1.5GHz

– < 1200ps In-to-Out t_pd

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

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 LVDS-compatible with

fast rise/fall times guaranteed to be less than 220ps.

– < 220ps t_r/t_f

• Unique, patent-pending input isolation design

minimizes adjacent channel 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 SY89465U operates from a 2.5V ±5% supply

and is guaranteed over the full industrial

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

SY89465U is part of Micrel’s high-speed, Precision

Edge^®product line.

• Unique patented input termination and VT pin accepts

DC- and AC-coupled inputs (CML, PECL, LVDS)

• 325mV LVDS output swing

All support documentation can be found on Micrel’s

web site at: www.micrel.com.

• 2.5V ±5% supply voltage

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

• Output enable

• Available in 44-pin (7mm x 7mm) 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.

MLF and MicroLeadFrame are trademarks of Amkor Technology, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-120105-A

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

December 2005

12 3 4 5 6 7...19

中文翻译

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与SY89465U相关器件

型号	品牌	获取价格	描述	数据表
SY89465U_10	MICREL	获取价格	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination
SY89465UMG	MICREL	获取价格	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination
SY89465UMG	MICROCHIP	获取价格	89645 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC44
SY89465UMGTR	MICREL	获取价格	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination
SY89465UMGTR	MICROCHIP	获取价格	89645 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC44, 7 X 7
SY89465UMG-TR	MICROCHIP	获取价格	89645 SERIES, LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC44
SY89465UMY	MICREL	获取价格	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination
SY89465UMYTR	MICREL	获取价格	Precision LVDS 1:10 Fanout with 2:1 Runt Pulse Eliminator MUX and Internal Termination
SY89467U	MICREL	获取价格	Precision LVPECL 1:20 Fanout with 2:1 MUX and Internal Termination with Fail-Safe Input
SY89467U	MICROCHIP	获取价格	The SY89467U is a 2.5/3.3V, 1:20 LVPECL fanout buffer with a 2:1 differential input multip

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