Microchip SY55854U Handleiding

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SY55854U

2 x 2 Protection Crosspoint Switch

SuperLite is a registered trademark of Micrel, Inc.

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

October 2011

M9999-102711-G

[email protected]

or (408) 955-1690

General Description

The SY5585

4U is a fully differential, CML, 2 x 2-crosspoint

switch. The non-blocking design allows any input to be

connected to any output. Varying the state of the select

inputs allows SY55854U to be used in backup, fault

tolerant, protection, and backplane distribution

applications.

SY55854U inputs can be terminated with a single resistor

between the true and the complement pins of a given

input.

The SY55854U is a member of Micrel’s new SuperLite

®

family of high-speed logic devices. This family features

very small packaging, high signal integrity, and flexible

supply voltage operation.

Datasheets and support documentation can be found on

Micrel’s web site at: www.micrel.com

.

Functional Block Diagram

SuperLite

®

Features

Gua

r

anteed f

MAX

>2.5GHz over temperature

2.3V to 5.7V power supply

Non-blocking “switch architecture”

Guaranteed <15ps channel-to-channel skew

Guaranteed <480ps propagation delay over temperature



Configurable as 2:1 mux, 1:2 fan-out buffer, dual buffe

r,

or 2 x 2 switch

Accepts CML, PECL, LVPECL inputs

Fully differential inputs/outputs

Source terminated CML outputs for fast edge rates

Wide operating temperature range: –40°C to +85°C

Available in a tiny 16-pin EPAD-QSOP package

Applications

High-speed logic

Data communications systems

Wireless communications systems

Telecom systems

Backplane redundancy

Product specificaties