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MAX72408

Dual SGPIO Backplane Controller

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

Overview

Technical Documents

Ordering Info

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Status

This product is Not Recommended for New Designs. Some versions may be No Longer Available or being discontinued and subject to Last Time Buy, after which new orders can not be placed.

Description

The MAX72408 is a dual serial general-purpose input/output (SGPIO) backplane controller. It is intended for system designers and software and firmware developers using this device to support enclosure management functions or other related I/O expansion tasks. The device can be used in any embedded control application including SAS or SATA where the monitoring of and control of a large number of digital I/O signals is required.

Data Sheet

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Key Features

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

Applications/Uses

IO Expansion Over I²C
SBB Storage Enclosures (JBODs)
Server-Based Hard Drive Backplanes

Reliability Reports

Reliability Report:

MAX72408.pdf

Software/Models

none

Ordering Information

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Temperature:

Tape and Reel

Sample

Part Number	Notes	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX72408#			N/A	No Longer Available	TQFN;68 pin;102 mm² Outline Drawing:21-0142 (PDF) Land Pattern: 90-0100 (PDF) Use pkgcode/variation: T6800+3*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX72408+				NRND	TQFP-EP;64 pin;148.8 mm² Outline Drawing:21-0084 (PDF) Land Pattern: 90-0329 (PDF) Use pkgcode/variation: C64E+10*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX72408+W				NRND	TQFP-EP;64 pin;148.8 mm² Outline Drawing:21-0084 (PDF) Land Pattern: 90-0329 (PDF) Use pkgcode/variation: C64E+10*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX72408EKN	Eval Kit for the MAX72408 Dual SGPIO Backplane Controller			NRND	TQFP-EP;64 pin;148.8 mm² Outline Drawing:21-0084 (PDF) Land Pattern: 90-0329 (PDF) Use pkgcode/variation: C64E+10*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis

Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

Document Ref.: 19-5624 Rev 0; 2010-11-09
This page last modified: 2010-11-09