SY89828L

更新时间： 2024-11-09 04:30:07

品牌	Logo	应用领域
麦瑞 - MICREL		输入元件
页数	文件大小	规格书
13页	129K
描述
3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX

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SY89828L 数据手册

Precision Edge^®

3.3V 1GHz DUAL 1:10 PRECISION

LVDS FANOUT BUFFER/

TRANSLATOR WITH 2:1 INPUT MUX

MicreL, Inc.

SY898_®28L

Precision Edge

SY89828L

FEATURES

■ High-performance dual 1:10, 1GHz LVDS fanout

Precision Edge

buffer/translator

■ Two banks of 10 differential LVDS outputs

DESCRIPTION

■ Guaranteed AC parameters over temperature and

voltage:

• > 1GHz f

• < 50ps within device skew

• < 400ps t , t time

The SY89828L is a precision fanout buffer with 20

differential LVDS (Low Voltage Differential Swing) output

pairs. The part is designed for use in low voltage 3.3V

applications that 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 (Low

Voltage Positive Emitter Coupled Logic) by the CLK_SEL1

and CLK_SEL2 pins. The Output Enables (OE1 and OE2)

are synchronous so that the outputs will only be enabled/

disabled when they are already in the LOW state. This

avoids any chance of generating a runt clock pulse when

the device is enabled/disabled as can happen with an

asynchronous control.

MAX

■ Each bank includes a 2:1 input mux

■ 2:1 mux input accepts LVDS and LVPECL

■ Low jitter performance

• < 1ps

cycle-to-cycle jitter

RMS

• < 1ps total jitter

■ 3.3V supply voltage

■ Output enable function

■ LVDS input includes internal 100Ω termination

■ Available in a 64-Pin EPAD-TQFP

The SY89828L features a low pin-to-pin skew of less

than 50ps—performance previously unachievable in a

standard product having such a high number of outputs.

The SY89828L is available in a single space saving package,

enabling a lower overall cost solution.

APPLICATIONS

■ Enterprise networking

■ High-end servers

■ Communications

TYPICAL APPLICATION CIRCUIT

100Ω

Primary Clock Source

LVDS_CLKA

Primary

Card

/LVDS_CLKA

Backup Clock Source

LVDS_CLKB

Redundant

Card

/LVDS_CLKB

SEL1

Primary/Backup Clock Select

(Switchover with 2.0ns)

System using SY89828L as a switchover circuit from a Primary Clock to a Redundant backup Clock in a fail-safe application.

LVPECL inputs not shown in this application.

Precision Edge is a registered trademark of Micrel, Inc.

Rev.: C

Amendment: /0

M9999-011907

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

Issue Date: January 2007

12 3 4 5 6 7...13

中文翻译

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与SY89828L相关器件

型号	品牌	获取价格	描述	数据表
SY89828L_08	MICREL	获取价格	3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89828LHI	MICREL	获取价格	3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89828LHITR	MICREL	获取价格	3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89828LHY	MICREL	获取价格	3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89828LHYTR	MICREL	获取价格	3.3V 1GHz DUAL 1:10 PRECISION LVDS FANOUT BUFFER/TRANSLATOR WITH 2:1 INPUT MUX
SY89829U	MICREL	获取价格	2.5V/3.3V HIGH-PERFORMANCE, DUAL 1:10 OR LVPECL CLOCK DRIVER w/ INTERNAL TERMINATION AND R
SY89829U	MICROCHIP	获取价格	The SY89829U is a High Performance dual 1:10 or single 1:20 LVPECL Clock Driver. The part
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

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