AD8151AST datasheet(1/36 Pages) AD

部件名	AD8151AST

功能描述	33 x 17, 3.2 Gb/s Digital Crosspoint Switch

PDF	36 Pages

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制造商	AD [Analog Devices]

网页	http://www.analog.com

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1 / 36 page

REV. 0

Information furnished by Analog Devices is believed to be accurate and

reliable. However, no responsibility is assumed by Analog Devices for its

use, nor for any infringements of patents or other rights of third parties that

may result from its use. No license is granted by implication or otherwise

under any patent or patent rights of Analog Devices.

a

AD8151*

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

www.analog.com

Fax: 781/326-8703

FUNCTIONAL BLOCK DIAGRAM

CS

RE

D

A

WE

UPDATE

RESET

7

5

SECOND

RANK

17

7-BIT

LATCH

33

17

DIFFERENTIAL

SWITCH

MATRIX

17

OUTP

OUTN

33

INP

INN

AD8151

FIRST

RANK

17

7-BIT

LATCH

17

FEATURES

Low Cost

33

17, Fully Differential, Nonblocking Array

3.2 Gb/s per Port NRZ Data Rate

Wide Power Supply Range: +3.3 V, –3.3 V

Low Power

425 mA (Outputs Enabled)

35 mA (Outputs Disabled)

LV PECL and LV ECL Compatible

CMOS/TTL-Level Control Inputs: 3 V to 5 V

Low Jitter

No Heat Sinks Required

Drives a Backplane Directly

Programmable Output Current

Optimize Termination Impedance

User-Controlled Voltage at the Load

Minimize Power Dissipation

Individual Output Disable for Busing and Reducing

Power

Double Row Latch

Buffered Inputs

Available in 184-Lead LQFP

APPLICATIONS

High-Speed Serial Backplane Routing to OC-48 with FEC

Fiber Optic Network Switching

Fiber Channel

LVDS

33

17, 3.2 Gb/s

Digital Crosspoint Switch

*Patent Pending.

X

stream is a trademark of Analog Devices, Inc.

PRODUCT DESCRIPTION

AD8151 is a member of the X

stream line of products and is

a breakthrough in digital switching, offering a large switch array

(33

× 17) on very little power, typically less than 1.5 W. Addi-

tionally, it operates at data rates in excess of 3.2 Gb/s per port,

making it suitable for Sonet OC-48 with 8b/10b Forward Error

Correction (FEC). Further, the pricing of the AD8151 makes

it affordable enough to be used for lower data rates as well.

The AD8151’s flexible supply voltages allow the user to operate

with either PECL or ECL data levels and will operate down to

3.3 V for further power reduction. The control interface is CMOS/

TTL compatible (3 V to 5 V).

Its fully differential signal path reduces jitter and crosstalk while

allowing the use of smaller single-ended voltage swings.

The AD8151 is offered in a 184-lead LQFP package that operates

over the extended commercial temperature range of 0

°C to 85°C.

Figure 1. Eye Pattern, 3.2 Gb/s, PRBS 23

streamª

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