MAX72408

Dual SGPIO Backplane Controller

Hardware-Optimized Dual SGPIO (SFF-8485) Controller Allows Drive Enclosure Status Updates for Two Separate Domains

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Part Details

  • Common Features
    • Dedicated Slave Mode I²C Interface
    • Autoload I²C Master Interface—Can Share with Up to Eight MAX72408 Devices
    • I²C Slave Interface—Can Share with Up to Eight MAX72408 Devices
    • Interrupt Output—Can Configure for Open Drain or Active Drive
    • High-Impedance Inputs (Nonclamping)
    • 5V Tolerant I/O Using 3.3V Technology
    • On-Board 3.3V to 1.8V LDO Regulator for Core Logic
    • Internal Power-On Reset
  • SGPIO Features
    • Support for Up to Eight Drives Per Device—Cascaded Devices Can Support Up to 64 Drives
    • Mated/Present and SATA Pin 11 Activity Input for Each Drive
    • Activity and Status Light-Emitting Diode (LED) Output for Each Drive
    • Implements SGPIO IBPI (SFF-8489 Rev 0.1)
    • Two 24-Bit SGPIO Master/Slave Interfaces
    • Operates in One of Three Modes for Dual or Single Slave Operation
  • GPIO Features
    • Eight Optional Fan-Speed Monitor Inputs
    • Eight Optional Pulse-Width-Modulation (PWM) Outputs
    • Up to 40 User-Defined Pulse-Train Outputs
    • Up to 40 Edge-Sensitive Inputs for Interrupt Generation
    • Up to 40 General-Purpose Input/Output (GPIO) Under User Control
MAX72408
Dual SGPIO Backplane Controller
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Documentation

Reliability Data 1

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