Datasheet > SY89829U

SY89829U

更新时间： 2024-10-02 14:54:39

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
10页	73K
描述
The SY89829U is a High Performance dual 1:10 or single 1:20 LVPECL Clock Driver. The part is desig

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SY89829U 数据手册

Precision Edge^®

SY89829U

2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10

OR LVPECL CLOCK DRIVER w/ INTERNAL

TERMINATION AND REDUNDANT SWITCHOVER

Micrel, Inc.

Precision Edge

SY89829U

FEATURES

■ Dual 1:10 fanout buffer/translator

■ Accepts LVPECL or LVDS inputs

Precision Edge

■ Multiplexed inputs ideal for redundant clock

DESCRIPTION

switchover

■ Guaranteed AC parameters:

The SY89829U is a High Performance dual 1:10 or

single 1:20 LVPECL Clock Driver. The part is designed for

use in low voltage (2.5V/3.3V) applications which require a

large number of outputs to drive precisely aligned, ultra low

skew signals to their destination. The input is multiplexed

from either LVDS or LVPECL by the CLK_SEL pin. The

LVDS inputs include a 100Ω internal termination across

the input pair, thus eliminating any need for external

termination. The 2:1 input mux makes this device an ideal

choice for redundant clock applications that need to switch

between two reference clocks. The output enable (OE) is

synchronous so that the outputs will only be enabled/

disabled when they are already in the LOW state. This

eliminates any chance of generating a runt clock pulse

when the device is enabled/disabled as can happen with an

asynchronous control.

• > 2GHz f_MAX(toggle)

• < 50ps ch-ch skew

■ LVDS input includes 100Ω internal termination

■ Low supply voltage: 2.5V, 3.3V

■ –40°C to +85°C temperature range

■ Output enable (OE) pin

■ Available in 64 EPAD-TQFP

APPLICATIONS

■ High-performance PCs

■ Workstations

The SY89829U features low pin-to-pin skew (50ps max.)

and low part-to-part skew (200ps max.)—performance

previously unachievable in a standard product having such

a high number of outputs. The SY89829U is available in a

single space saving package which provides a lower overall

cost solution. In addition, a single chip solution improves

timing budgets by eliminating the multiple device solution

with their corresponding large part-to-part skew.

■ Parallel processor-based systems

■ Other high-performance computing

■ Communications

■ Redundant LVPECL or LVDS bus clock switchover

Precision Edge is a registered trademark of Micrel, Inc.

Rev.: D

Amendment: /0

M9999-011907

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

Issue Date: January 2007

12 3 4 5 6 7...10

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与SY89829U相关器件

型号	品牌	获取价格	描述	数据表
SY89829UHG	MICROCHIP	获取价格	Low Skew Clock Driver, 89829 Series, 20 True Output(s), 0 Inverted Output(s), PQFP64, LEAD
SY89829UHGTR	MICREL	获取价格	Low Skew Clock Driver, 89829 Series, 20 True Output(s), 0 Inverted Output(s), PQFP64, LEAD
SY89829UHGTR	MICROCHIP	获取价格	Low Skew Clock Driver, 89829 Series, 20 True Output(s), 0 Inverted Output(s), PQFP64, LEAD
SY89829UHI	MICREL	获取价格	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND R
SY89829UHI	MICROCHIP	获取价格	Low Skew Clock Driver, 89829 Series, 20 True Output(s), 0 Inverted Output(s), PQFP64, TQFP
SY89829UHITR	MICREL	获取价格	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND R
SY89829UHY	MICREL	获取价格	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND R
SY89829UHY	MICROCHIP	获取价格	89829 SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64
SY89829UHYTR	MICREL	获取价格	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND R
SY89829UHY-TR	MICROCHIP	获取价格	89829 SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64

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