Datasheet > SY100EL90

SY100EL90

更新时间： 2023-12-06 20:10:45

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
5页	55K
描述
The SY100EL90V is a triple ECL/LVECL-to-PECL/LVPECL translator. The device can translate over all

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SY100EL90 数据手册

SY100EL90V

Micrel, Inc.

5V/3.3V TRIPLE ECL/LVECL-TO-

PECL/LVPECL TRANSLATOR

SY100EL90V

FEATURES

DESCRIPTION

■ 3.3V and 5V power supply options

■ 500ps propagation delay

The SY100EL90V is a triple ECL/LVECL-to-PECL/

LVPECL translator. The device can translate over all

combinations of supply voltages: -5V ECL to 5V PECL,

-5V ECL to 3.3V LVPECL, -3.3V LVECL to 5V PECL or

-3.3V LVECL to 3.3V LVPECL.

A VBB output is provided for interfacing with single

ended ECL signals at the input. If a single ended input is

to be used, the VBB output should be connected to the D

input. The active signal would then drive the D input.

When used, the VBB output should be bypassed to via a

0.01µF capacitor. The VBB output is designed to act as

the switching reference for the EL90V under single ended

input switching conditions. As a result this pin can only

source/sink up to 0.5mA of current.

■ Fully differential design

■ Supports both standard and low voltage operation

■ Available in 20-pin SOIC package

To accomplish the level translation the EL90V requires

three power rails. The V^CCsupply should be connected

to the positive supply, and the VEE pin should be

connected to the negative power supply. The GND pins

as expected are connected to the system ground plane.

Both VEE and VCC should be bypassed to ground via

0.01µF capacitors.

Under open input conditions, the D input will be biased

at VCC/2 and the D input will be pulled to VEE. This

condition will force the Q output to a LOW, ensuring

stability.

FUNCTION TABLE

PIN NAMES

Function

VCC

GND

VEE

–5V

Function

ECL/LVECL Inputs

–5V ECL to 5V PECL

PECL/LVPECL Outputs

–5V ECL to 3.3V LVPECL

–3.3V LVECL to 5V PECL

–3.3V LVECL to 3.3V LVPECL

3.3V

–5V

–3.3V

VBB

ECL/LVECL Reference Voltage Output

3.3V

Rev.: I

Amendment:/0

March 2006

M9999-031306

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

Isse Date:

12 3 4 5

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