MAX4888, MAX4889

2.5Gbps PCI Express Passive Switches

High-Speed PCI Express Passive Switches Enable Gen I Switching

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Status Explanations for product status codes

Active: In Production.

Description

The MAX4888/MAX4889 high-speed passive switches route PCI Express® (PCIe) data between two possible destinations. The MAX4888 is a quad single-pole/double-throw (4 x SPDT) switch ideally suited for switching two half lanes of PCIe data between two destinations. The MAX4889 is an octal single-pole/double-throw (8 x SPDT) switch ideal for switching four half lanes of PCIe data between four destinations. The MAX4888/MAX4889 feature a single digital control input (SEL) to switch signal paths.

The MAX4888/MAX4889 are fully specified to operate from a single 3.0V to 3.6V power supply and also operate down to +1.65V. The MAX4888 is available in a 3.5mm x 5.5mm, 28-pin TQFN package. The MAX4889 is available in a 3.5mm x 9.0mm, 42-pin TQFN package. Both devices operate over the -40°C to +85°C temperature range.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 0 (PDF, 276kB)
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An evaluation kit is available: MAX4889AEVKIT

Key Features

  • Single 1.65V to 3.6V Power-Supply Voltage
  • Low Same-Pair Skew of 7ps
  • Low 120µA (Max) Quiescent Current
  • Supports PCIe Gen I Data Rates
  • Flow-Through Pin Configuration for Ease of Layout
  • Industry-Compatible Pinout
  • Lead-Free Packaging
 

Applications/Uses

  • Desktop Computers
  • Laptops
  • Servers/Storage Area Networks
   

Key Specifications:

Switches and Multiplexers (Low Voltage)
Part Number Protocol Config. Channels VSUPPLY (Single)
(V)
VSUPPLY (Single)
(V)
VSIGNAL
(V)
VSIGNAL
(V)
Dynamic Range (max)
(V)
RON
(Ω)
RFLAT(ON)
(Ω)
RFLAT(ON)
(Ω)
BW
(MHz)
tON
(ns)
tOFF
(ns)
CON
(pF)
COFF
(pF)
Budgetary Price
min max min max max max typ max min max max max See Notes
MAX4888  PCIe 2:1 4 1.6 3.6 -0.1 2.4 2.5 7 0.06 2 1250 250 50 2 1 $1.94 @1k
MAX4889  8 $2.35 @1k
See All Switches and Multiplexers (Low Voltage) (186)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


Diagram

MAX4888, MAX4889: Typical Application Circuit
Typical Application Circuit

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Information Index

Document Ref.: 19-0724 Rev 0; 2007-09-28
This page last modified: 2009-09-01




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