MAX72038B
Generation II Enhanced 6.0Gbps 38-PHY SAS Expander
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Industry's Most Advanced 6.0Gbps SAS Expander
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Features
- 1.5Gbps, 3.0Gbps, and 6.0Gbps 38-PHY, Self-Configuring SAS Expander
- ANSI T10 SAS-2.1/SAS Protocol Layer (SPL) Compliant
- Automatic Input-Signal Equalization Including Decision Feedback Equalization (DFE)
- Multiple Programmable Output-Deemphasis Levels
- Multiple Programmable Output-Voltage Levels
- Embedded Multicontext MIPS® 4KEc® 32-Bit Microprocessor Used for Local Control and Expander or Vendor-Unique Enclosure Management Functions
- On-Chip Trace Buffer
- Internal ECC-Protected User Data SRAM
- Standard EJTAG Processor Debug Interface
- Software Compatible with Other Maxim Enclosure Management Processors
- Two Operating Modes for External Program Memory: Parallel Memory and Serial Peripheral Interface (SPI™) Memory
- SPI Interface for Accessing an External Serial Flash Memory Device with Optional Dual/Quad I/O SPI Support
- Auxiliary SPI Port for Access to Peripheral SPI Devices (Manual Access Only)
- Integrated PHY Snooping on multiple channels
- Flexible SAS-2 Compliant Address-Based Zoning
- Supports Table Routing to Destination Addresses
- Supports SAS-2 Table-to-Table Routing
- SMP and SSP Virtual PHY Target/Initiator Capability
- STP/SATA Bridging Supporting Multiple Affiliations (One Per PHY)
- STP Initiator Capability
- SAS-2.1/SPL Optical Link Mode
- SAS-2.1/SPL Power Management
- LPC Interface for Trusted Platform Modules
- Unlimited Variable Wide-Port Capability
- Extensive Diagnostic and Built-In Self-Test (BIST) Capabilities
- Multimaster I²C Interfaces—I²C High-Speed and 10-Bit Device ID Support
- Multirate UARTs with Modem Control
- 10/100 Ethernet Media-Access Controllers (MACs) with Reduced Media-Independent Interface (RMII)
- Flexible General-Purpose Input/Output (GPIO) for LEDs, Fan Tachometer, and Other Functions
- SFF-8485 Serial I/O Support
- Analog-to-Digital Converters (ADCs)
- Digital Temperature Monitor
- 75MHz or 150MHz LVTTL/LVPECL Reference Clock
- 1.0V DC, 1.8V DC, and 3.3V DC External Power Supplies
- Low Power CMOS
- 35mm x 35mm, 924-pin FCBGA Package with Heat Spreader (1.0mm Pin Pitch)
- RoHS-Compliant Package
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The MAX72038B is a next-generation enhanced 38-PHY, serial-attached SCSI-2 (SAS-2)-compatible expander that operates at 1.5Gbps, 3.0Gbps, and 6.0Gbps (on a PHY-by-PHY basis). This device is used for server and enclosure applications for midrange- and enterprise-storage systems requiring active SAS port expansion.
This device offers an evolutionary upgrade path for systems that currently employ parallel SCSI technology and rely heavily on SCSI-centric software or management solutions. By combining industry-leading I/O, embedded enclosure functions, and a high-performance internal switching architecture, this device provides all the features needed to design, develop, and deploy high-performance SAS storage solutions.
Applications
- Enterprise-Storage Environments
- Fabric-Attached Storage (FAS) Systems
- Fixed-Content Storage Systems
- JBOD Arrays
- Near-Line Storage-Replacement Systems
- Network-Attached Storage (NAS) Systems
- Rack-Mounted Servers with RAID
- Storage-Area Network (SAN) Appliances
Ask a Question
Submit your question below and we will return the best answer from ADI’s knowledge database:
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Support
Analog Devices Support Portal is a one-stop shop to answer all your ADI questions.
Visit the ADI Support Page
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MAX72038B
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