Datasheet > SY100EL91_06

SY100EL91_06

更新时间： 2024-02-03 00:03:28

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
5页	58K
描述
TRIPLE PECL-TO-ECL TRANSLATOR

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SY100EL91_06 数据手册

Micrel, Inc.

SY100EL91

TRIPLE

PECL-TO-ECL TRANSLATOR

SY100EL91

DESCRIPTION

FEATURES

■ 620ps typical propagation delay

■ Fully differential design

The SY100EL91 is a triple PECL-to-ECL translator. It

receives standard voltage PECL signals and translates

them to different ECL output signals.

■ Supports standard operation

■ Available in 20-pin SOIC package

A VBB output is provided for interfacing with single

ended PECL 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 ground

via a 0.01µF capacitor. The VBB output is designed to act

as the switching reference for the EL91 under single

ended input switching conditions. As a result this pin can

only source/sink up to 0.5mA of current.

To accomplish the level translation the EL91 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 GND. This

condition will force the Q output to a LOW, ensuring

stability.

PIN NAMES

Function

PECL Inputs

ECL Outputs

PECL_VBB

PECL Reference Voltage Output

Rev.: E

Amendment:/0

M9999-031306

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

Issue Date: March 2006

12 3 4 5

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