Rainbow-electronics MAX9393 Bedienungsanleitung PDF herunterladen

General Description

The MAX9392/MAX9393 dual 2 x 2 crosspoint switches

perform high-speed, low-power, and low-noise signal

distribution. The MAX9392/MAX9393 multiplex one of two

differential input pairs to either or both low-voltage differ-

ential signaling (LVDS) outputs for each channel.

Independent enable inputs turn on or turn off each differ-

ential output pair.

Four LVCMOS/LVTTL logic inputs (two per channel) con-

trol the internal connections between inputs and outputs.

This flexibility allows for the following configurations: 2 x 2

crosspoint switch, 2:1 mux, 1:2 splitter, or dual repeater.

This makes the MAX9392/MAX9393 ideal for protection

switching in fault-tolerant systems, loopback switching for

diagnostics, fanout buffering for clock/data distribution,

and signal regeneration.

Fail-safe circuitry forces the outputs to a differential low

condition for undriven inputs or when the common-

mode voltage exceeds the specified range. The

MAX9392 provides high-level input fail-safe detection

for LVDS, HSTL, and other GND-referenced differential

inputs. The MAX9393 provides low-level input fail-safe

detection for LVPECL, CML, and other V

-referenced

differential inputs.

Ultra-low 98ps

(P-P)

(max) pseudorandom bit sequence

(PRBS) jitter ensures reliable communications in high-

speed links that are highly sensitive to timing error,

especially those incorporating clock-and-data recovery,

or serializers and deserializers. The high-speed switch-

ing performance guarantees 1.5GHz operation and less

than 67ps (max) skew between channels.

LVDS inputs and outputs are compatible with the

TIA/EIA-644 LVDS standard. The LVDS outputs drive

100Ω loads. The MAX9392/MAX9393 are offered in

5mm x 5mm thin QFN with exposed paddle and 32-pin

TQFP packages and operate over the extended tem-

perature range (-40°C to +85°C).

Also see the MAX9390/MAX9391 for the crossflow version.

Applications

High-Speed Telecom/Datacom Equipment

Central-Office Backplane Clock Distribution

DSLAM

Protection Switching

Fault-Tolerant Systems

Features

♦ 1.5GHz Operation with 250mV Differential Output

Swing

♦ 2ps

RMS

(max) Random Jitter

♦ AC Specifications Guaranteed for 150mV

Differential Input

♦ Signal Inputs Accept Any Differential Signaling

Standard

♦ LVDS Outputs for Clock or High-Speed Data

♦ High-Level Input Fail-Safe Detection (MAX9392)

♦ Low-Level Input Fail-Safe Detection (MAX9393)

♦ +3.0V to +3.6V Supply Voltage Range

♦ LVCMOS/LVTTL Logic Inputs Control Signal

Routing

MAX9392/MAX9393

Anything-to-LVDS Dual 2 x 2

Crosspoint Switches

________________________________________________________________ Maxim Integrated Products 1

TOP VIEW

MAX9392

MAX9393

TQFP

32 28

293031

INA1

ASEL0

ASEL1

INA0

GND

1611 12

ENB1

OUTB1

GND

ENB0

OUTB0

OUTA0

24 V

OUTA0

ENA0

GND

OUTA1

ENA1

8BSEL1

INB1

BSEL0

INB0

1GND

PART TEMP RANGE PIN-PACKAGE

MAX9392EHJ -40°C to +85°C 32 TQFP

MAX9392ETJ* -40°C to +85°C 32 Thin QFN

MAX9393EHJ -40°C to +85°C 32 TQFP

MAX9393ETJ* -40°C to +85°C 32 Thin QFN

Pin Configurations

Ordering Information

19-2913; Rev 0; 8/03

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

*Future product—contact factory for availability.

Pin Configurations continued at end of data sheet.

Functional Diagram and Typical Operating Circuit appear at

end of data sheet.

1 2 3 4 5 6 ... 13 14

Inhaltsverzeichnis

Seite 1 - Crosspoint Switches

General DescriptionThe MAX9392/MAX9393 dual 2 x 2 crosspoint switchesperform high-speed, low-power, and low-noise signaldistribution. The MAX9392/MAX9

Seite 2

MAX9392/MAX9393Applications InformationDifferential InputsThe MAX9392/MAX9393 inputs accept any differentialsignaling standard within the specified co

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches______________________________________________________________________________________ 1

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches______________________________________________________________________________________ 1

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint SwitchesMaxim cannot assume responsibility for use of any circuitry other than circuitry entirel

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches_______________________________________________________________________________________

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches_______________________________________________________________________________________

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches_______________________________________________________________________________________

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MAX9392/MAX9393Anything-to-LVDS Dual 2 x 2 Crosspoint Switches_______________________________________________________________________________________

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Rainbow-electronics MAX9393 Bedienungsanleitung

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Inhaltsverzeichnis

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