XRS10L140 Datasheet (Exar Corporation) - SERIAL ATA II: 1:4 PORT MULTIPLIER

XRS10L140, SERIAL ATA II: 1:4 PORT MULTIPLIER

PRELIMINARY XRS10L140 SERIAL ATA II: 1:4 PORT MULTIPLIER TABLE 1: XRS10L140 PIN DESCRIPTIONS Pin Name Pin Number I/O DESCRIPTION DATA INTERFACE SOTP0/SOTN0 68, 69 SOTP1/SOTN1 SOTP2/SOTN2 57, 56 8, 7 O Serial ATA Output Transmitters.

These ports communicate from the XRS10L140 to downst

PRELIMINARY XRS10L140 SERIAL ATA II: 1:4 PORT MULTIPLIER JUNE 2006 REV.

P1.0.2 1.0 INTRODUCTION The EXAR XRS10L140 is a Serial ATA port multiplier designed for next generation enterprise class disk array systems that use SATA mid-planes.

The device is targeted at low cost storage applications.

This function is used when one active host has to communicate with multiple SATA drives.

The XRS10L140 supports up to 4 SATA drives and utilizes the full bandwidth of the host connection.

The upstream

XRS10L140 Features

* such as staggered HDD spin-up, power management control, hot plug capability and support for legacy software. The XRS10L140 acts as a retimer, maintaining independent signaling domains between the drives themselves and the external interconnect. The high-speed serial input features selectable equali