Datasheet > SY89837U_10

SY89837U_10

更新时间： 2024-02-13 16:10:10

品牌	Logo	应用领域
麦瑞 - MICREL		复用器脉冲输入元件
页数	文件大小	规格书
14页	1018K
描述
PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX

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中文翻译

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数据手册

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SY89837U_10 数据手册

Precision Edge^®

PRECISIONꢀ1:8ꢀLVPECLꢀFANOUTꢀ

BUFFERꢀWITHꢀ2:1ꢀRUNTꢀPULSEꢀ

ELIMINATOR INPUT MUX

SY89837U

Micrel, Inc.

Precision Edge

SY89837U

FEATURES

■ꢀ Selects between two clocks, and provides 8

Precision Edge

precision, low skew LVPECL output copies

■ꢀ Guaranteed AC performance over temperature and

DESCRIPTION

supply voltage:

■ꢀ Wide operating frequency: 1kHz to >1.5GHz

The SY89837U is a low jitter, low skew, high-speed 1:8

fanout buffer with a unique, 2:1 differential input multiplexer

(MUX) optimized for clock redundant switchover applications.

Unlike standard multiplexers, the SY89837U unique 2:1 runt

pulse eliminator (RPE) input 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 static DC differential

voltage (differential input voltage drops below 200mV).

The SY89837U distributes clock frequencies from 1kHz to

1.5GHz, guaranteed, over temperature and voltage.

ꢀ

•ꢀ <975psꢀin-to-outꢀt

•ꢀ <180psꢀt /t

r f

•ꢀ <40psꢀoutput-to-outputꢀskew

■ꢀ Unique input isolation design minimizes crosstalk

■ꢀ Ultra-lowꢀjitterꢀdesign:

ꢀ

•ꢀ <1ps ꢀrandomꢀjitter

rms

•ꢀ <1ps ꢀcycle-to-cycleꢀjitter

rms

•ꢀ <10ps ꢀtotalꢀjitterꢀ(clock)

•ꢀ <0.7ps ꢀMUXꢀcrosstalkꢀinducedꢀjitter

rms

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

200mV without any level shifting or termination resistor

networks in the signal path. The outputs are 800mV, 100k

compatible LVPECL with fast rise/fall times guaranteed to

be less than 200ps.

■ꢀ UniqueꢀinputꢀterminationꢀandꢀVTꢀpinꢀacceptsꢀDC-ꢀorꢀ

AC-coupledꢀinputsꢀ(CML,ꢀPECL,ꢀLVDS)

■ꢀ 800mVꢀLVPECLꢀoutputꢀswing

■ꢀ Powerꢀsupplyꢀ+2.5Vꢀ±5%ꢀorꢀ+3.3Vꢀ±10%

■ꢀ –40°Cꢀtoꢀ+85°Cꢀindustrialꢀtemperatureꢀrange

■ꢀ Availableꢀinꢀ32-pinꢀ(5mmꢀxꢀ5mm)ꢀMLF package

The SY89837U operates from a +2.5V±5% or +3.3V±10%

supply and is guaranteed over the full industrial temperature

range of –40°C to +85°C. The SY89837U is part of Micrel’s

high-speed, Precision Edge product line.

APPLICATIONS

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

■ Redundant clock distribution

■ꢀ Fail-safeꢀclockꢀprotection

Precision Edge is a registered trademark of Micrel, Inc.

MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.

Rev.: F

Amendment: /0

M9999-060410

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

Issue Date: June 2010

12 3 4 5 6 7...14

中文翻译

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与SY89837U_10相关器件

型号	品牌	获取价格	描述	数据表
SY89837UMG	MICREL	获取价格	PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
SY89837UMGTR	MICREL	获取价格	PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
SY89837UMG-TR	MICROCHIP	获取价格	89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32
SY89837UMI	MICREL	获取价格	PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
SY89837UMITR	MICREL	获取价格	PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
SY89837UMTR	MICREL	获取价格	89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32, 5 X 5
SY89837UMTR	MICROCHIP	获取价格	89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32, 5 X 5
SY89837UM-TR	MICROCHIP	获取价格	89837 SERIES, LOW SKEW CLOCK DRIVER, 8 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC32
SY89838U	MICREL	获取价格	Precision 1:8 LVDS Clock Fanout Buffer with 2:1 Runt Pulse Eliminator Input MUX
SY89838U	MICROCHIP	获取价格	The SY89838U is a low jitter, low skew, high-speed 1:8 fanout buffer with a unique, 2:1 di

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