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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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Status
Active: In Production.

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

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
  • Underwriters Laboratories (UL®) Recognized

 
  • Alarm Systems
  • Automated Teller Machines
  • 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)
    Ext. Memory Cntrl. Random Number Gen. Over Voltage Monitor Battery Monitor Package/Pins Smallest Available Pckg.
    (mm2)
    Oper. Temp.
    (°C)
    max w/pins
    DS3641  5 3 1024 No Yes Yes Yes
    CSBGA/25
    25 -40 to +85
    See All Secure Supervisors (7)

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    2009-03-26
    This page last modified: 2009-03-26


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