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MAX7317
10-Port SPI-Interfaced I/O Expander with Overvoltage and Hot-Insertion Protection


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 296kB)
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Description
The MAX7317 serial-interfaced peripheral provides microprocessors with 10 I/O ports rated to 7V. Each port can be individually configured as either an opendrain output, or an overvoltage-protected Schmitt input.

The MAX7317 supports hot insertion. All port pins remain high impedance in power-down (V+ = 0V) with up to 8V asserted on them.

The MAX7317 is available in 16-pin thin QFN and QSOP packages and operates in the -40°C to +125°C range.

For a similar part with constant-current outputs and 8-bit PWM controls, refer to the MAX6966/MAX6967 data sheet.

Key Features   Applications/Uses
  • High-Speed, 26MHz SPI™-/QSPI-™/MICROWIRE™- Compatible Serial Interface
  • 2.25V to 3.6V Operation
  • I/O Port Inputs are Overvoltage Protected to 7V
  • I/O Port Outputs are 7V-Rated Open Drain
  • I/O Ports Support Hot Insertion
  • 0.7µA (typ), 1.9µA (max) Standby Current
  • Tiny 3mm x 3mm, 0.8mm High Thin QFN Package
  • -40°C to +125°C Temperature Range

     
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  • Portable Equipment
  • System Monitoring
  • White Goods

    Diagram
    MAX7317: Typical Application Circuit
    Typical Application Circuit

    Application Notes
  • Application Note 1879: Using Maxim SPI-compatible Display Drivers with other SPI Peripherals - MAX7317
  • Application Note 2198: Driving LEDs with Open Drain Port Expander Outputs - MAX7317, MAX7317

    Design Guides
  • Interface (PDF)

    Reliability Reports
  • Show FIT data for:
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    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * 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.


    Devices: 1-8 of 8

    MAX7317 Free
    Sample
    Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX7317AEE  
    Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-4*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7317AEE-T    
    Active

    Land Pattern: Not Available

    -40°C to +125°C See data sheet
    MAX7317AEE+  
    Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7317AEE+T    
    Active QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7317ATE+  
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0031 (PDF)
    Use pkgcode/variation: T1633+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7317ATE+T    
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0031 (PDF)
    Use pkgcode/variation: T1633+4*
    -40°C to +125°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX7317ATE  
    Active TQFN;16 pin;10 mm²
    Outline Drawing: 21-0136 (PDF)
    Land Pattern: 90-0031 (PDF)
    Use pkgcode/variation: T1633-4*
    -40°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX7317ATE-T    
    Active

    Land Pattern: Not Available

    -40°C to +125°C See data sheet

    Related Products
    MAX6957 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
    MAX7301 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port I/O Expander
    MAX7300 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port I/O Expander
    MAX6956 2-Wire-Interfaced, 2.5V to 5.5V, 20-Port or 28-Port LED Display Driver and I/O Expander
    MAX7310 2-Wire-Interfaced 8-Bit I/O Port Expander with Reset
    MAX7311 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection
    MAX6965 9-Output LED Driver with Intensity Control and Hot-Insertion Protection
    MAX7312 2-Wire-Interfaced 16-Bit I/O Port Expander with Interrupt and Hot-Insertion Protection
    MAX7313 16-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
    MAX7315 8-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
    MAX7316 10-Port I/O Expander with LED Intensity Control, Interrupt, and Hot-Insertion Protection
    MAX7314 18-Port GPIO with LED Intensity Control, Interrupt, and Hot-Insertion Protection
    MAX6964 17-Output LED Driver/GPO with Intensity Control and Hot-Insertion Protection
    MAX7318 2-Wire-Interfaced, 16-Bit, I/O Port Expander with Interrupt and Hot-Insertion Protection
    MAX6966, MAX6967 10-Port Constant-Current LED Drivers and I/O Expanders with PWM Intensity Control

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    Document Ref.: 19-3380; Rev 2; 2005-04-26
    This page last modified: 2005-07-06


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