MAX4888CETI+ Maxim Integrated Products, MAX4888CETI+ Datasheet

MAX4888CETI+

Manufacturer Part Number

MAX4888CETI+

Description

QFN/E/DUAL PCIE/SATA HIGH SPEED SWITCH WITH INTEGRATED BIAS RESISTOR

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX4888BETI.pdf (10 pages)

Specifications of MAX4888CETI+

Pack_quantity

Comm_code

85423990

Lead_time

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19-5706; Rev 0; 12/10

The MAX4888B/MAX4888C dual double-pole/double-

throw (2 x DPDT), high-speed passive switches are

ideal for switching two half-lanes of PCI Express

data between two possible destinations. These devices

feature a dual digital control input to switch signal paths.

The MAX4888C is intended for use in systems where

both the input and output are capacitively coupled (e.g.,

SAS, SATA, XAUI, and PCIe) and provides a 10FA (typ)

source current and a 60kI (typ) internal biasing resistor

to GND at the AOUT_ and BOUT_ pins.

The devices are fully specified to operate from a single

+3.3V (typ) power supply. Both devices are available

in an industry-standard 3.5mm x 5.5mm, 28-pin TQFN

package. They operate over the -40NC to +85NC extend-

ed temperature range.

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

PCI Express is a registered trademark of PCI-SIG Corp.

Desktop PCs

Notebook PCs

Servers

NOTE: CAPACITIVE COUPLING WAS OMITTED TO SIMPLIFY ILLUSTRATION.

PCIe HOST

SAS HOST

_______________________________________________________________ Maxim Integrated Products 1

General Description

Up to 8.0Gbps Dual Passive Switches

AOUTA+

AOUTA-

BOUTA+

BOUTA-

AOUTB+

AOUTB-

BOUTB+

BOUTB-

Applications

MAX4888C

GND

SELB

AIN+

BIN+

AIN-

BIN-

SEL

(PCIe)

CONNECTION SELECT

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

MAX4888BETI+

MAX4888CETI+

Single +3.3V Power-Supply Voltage

Supports PCIe Gen I, Gen II, and Gen III Data

Rates

Supports Up To and Including 6.0Gbps SAS/SATA

Signals

Supports Other High-Speed Interfaces (e.g., XAUI)

Superior Bandwidth Return Loss

Small, 3.5mm x 5.5mm, 28-Pin TQFN Package

SEL

SELB

AIN+

AIN-

BIN+

BIN-

PART

MAX4888C

GND

Typical Operating Circuit

AOUTA+

BOUTA+

AOUTB+

BOUTB+

AOUTA-

BOUTA-

AOUTB-

BOUTB-

-40NC to +85NC

TEMP RANGE

Ordering Information

PIN-PACKAGE

28 TQFN-EP*

PCIe DEVICE

SAS DEVICE

Features

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