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PM8381 SXP 6x3G

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Version Issue Date

Product Brief

PDFPM8381 SXP 6x3G 6-Port SAS Edge Expander Short Form Data Sheet [57 KB] PMC-2040325 2  2005-07-18 

Application Note

Locked Document, Log In RequiredPDFSIGNAL INTEGRITY FOR PMC-SIERRA 3.125/2.488/1.5GBPS LINKS [452 KB] PMC-2010750 3  2002-07-31 

Symbols/Footprints

  Version Issue Date
Locked Document, Log In RequiredZipped FilePMC-2041210 PM8381 SXP 6x3G 144 TQFP CAD Symbols and Footprints [121 KB]12006-05-25


Features

GENERAL

  • Flexible 6 port device featuring arbitrary host/target port assignment
  • Host PHYs form a single wide port with common SAS address
  • Supports SATA Tunneling Protocol (STP)
  • Automatic detection of SATA or SAS hard disk drives (HDD)
  • SCSI Management Protocol (SMP) support allowing access to registers
  • 24 general purpose I/O (GPIO) pins for LED control and other enclosure services
  • Supports host-target, host-host and target-target connections.

HIGH SPEED I/O

  • 1.5 Gbit/s and 3.0 Gbit/s operation
  • Automatic negotiation of link speed
  • Tolerates Spread Spectrum Clocking (SSC)
  • Programmable transmit pre-emphasis and receiver equalization
  • Programmable transmit output swing to support both SATA and SAS levels
  • Integrated resistive termination and AC coupling

STATISTICS & PERFORMANCE MONITORING

  • Two wire interface (TWI) to access internal registers and GPIO
  • Built-in-Self-Test features including loopback modes and data pattern generator and checker
  • Per port error counters as defined in SAS specification
  • Programmable performance monitoring counters and interrupt generation

PHYSICAL

  • 1.8 V and 3.3 V power supply
  • 0.18 µm CMOS technology
  • 144-pin TQFP package
  • 20 x 20 mm footprint


Applications

  • Enterprise-Class Server Storage
  • Internal Server Storage Backplane


 
 
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