SY89837U

更新时间： 2024-11-23 04:30:07

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	183K
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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SY89837U 数据手册

Precision Edge^®

SY89837U

PRECISION 1:8 LVPECL FANOUT

BUFFER WITH 2:1 RUNT PULSE

ELIMINATOR INPUT MUX

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.

• <975ps in-to-out t

• <180ps t /t

r f

• <40ps output-to-output skew

Unique input isolation design minimizes crosstalk

Ultra-low jitter design:

• <1ps

random jitter

rms

cycle-to-cycle jitter

• <10ps total jitter (clock)

• <0.7ps

MUX crosstalk induced jitter

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.

Unique input termination and VT pin accepts DC- or

AC-coupled inputs (CML, PECL, LVDS)

800mV LVPECL output swing

Power supply +2.5V ±5% or +3.3V ±10%

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

Available in 32-pin (5mm x 5mm) 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-safe clock protection

Precision Edge is a registered trademark of Micrel, Inc.

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

Rev.:

Amendment: /0

M9999-022007

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

Issue Date: February 2007

12 3 4 5 6 7...14

中文翻译

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与SY89837U相关器件

型号	品牌	获取价格	描述	数据表
SY89837U_10	MICREL	获取价格	PRECISION 1:8 LVPECL FANOUT BUFFER WITH 2:1 RUNT PULSE ELIMINATOR INPUT MUX
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

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