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MAX4889：2.5Gbps PCI Express Passive Switches

High-Speed PCI Express Passive Switches Enable Gen I Switching

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.

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

MAX4888, MAX4889: Typical Application Circuit Applications/Uses Desktop Computers Laptops Servers/Storage Area Networks

DataSheet

Parametrics

Design kits & evaluation modules

• MAX4889AEVKIT

Quality and Environmental Data

• MAX4889.pdf

Ordering Information