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DS3641
SPI™-Compatible Secure Supervisor with 1kB Nonimprinting Key Memory

Single-Chip Solution Provides Security, Tamper-Detection, Encryption-Key Storage, and Encryption-Key Destruction in Event of Tamper


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Description
The DS3641 is a secure supervisor with 1,024 bytes of SRAM for applications requiring the secure storage of encryption keys, including POS terminals. This device supports the highest security level of the FIPS-140.2, Common Criteria, PCI-PED, and EMV-4.1 certification entities.

Key Features   Applications/Uses
  • 1024-Byte Nonimprinting Key Memory with High-Speed Erase
  • 64-Byte General-Purpose RAM (Not Cleared)
  • Real-Time Clock
  • Watchdog Timer
  • CPU Supervisor
  • Four General-Purpose Tamper-Detection Comparators with Associated Reference
  • Three Tamper-Detection Logic Inputs
  • On-Chip Programmable Temperature Sensor
  • On-Chip Random Number Generator
  • Latching and Time-Stamping of Tamper Events
  • 3.3V to 3.6V Single-Supply Operation
  • BGA Package

 
  • Alarm Systems
  • ATM
  • Digital Cinema Technology
  • Gaming
  • Healthcare
  • IT Security
  • Network Servers
  • PIN Pads
  • POS
  • Software-Defined Radios

    Key Specifications:   Secure Supervisors
    Part Number Analog Voltages Monitored Digital Inputs Monitored Internal Key Memory (Bytes) External Memory Control Random Number Generator Over-Voltage Monitor Battery Monitor Operating Temp. Range (°C)
    DS3641  5 3 1024 No Yes Yes Yes -40 to +85
    See All Secure Supervisors (7)

    Application Notes
  • Application Note 4244: Secure Supervisors Provide Multifaceted Monitoring to Ensure System Security - DS3641

    Evaluation Kits
    none

    Design Guides
  • MICROPROCESSOR SUPERVISORY (PDF)
  • MICROCONTROLLERS (PDF)
  • BATTERY MANAGEMENT (PDF)
  • REAL-TIME CLOCKS (PDF)
  • NONVOLATILE MEMORY (PDF)

    Reliability Reports
  • Reliability Report: DS3641.pdf

    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.


    This product is not available for purchase.


    More Information
  • New Product Press Release 2007-04-11 

    Related Products
    DS3605 NV SRAM Controller with Real-Time Clock and Thermal Tamper Detection

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  •  QuickView   Technical Documents   Ordering Info   More Information  
     Description 
     Key Features 
     Applications/Uses 
     Key Specifications 
     Diagram 

     Data Sheet 
     Application Notes 
     Design Guides 
     Engineering Journals 
     Reliability Reports 
     Software/Models 
     Evaluation Kits 

     Price and Availability 
     Samples 
     Buy Online 
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    2007-03-01
    This page last modified: 2007-03-12




             


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