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ATSHA206A

Disposable Cartridges Secure Authentication

Status: In Production

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Device Overview

Summary

The ATSHA206A is a Microchip CryptoAuthenticationTM device primarily dedicated to consumable applications and ecosystem control. The device has five slots and a preassigned configuration that reduces development time and the time-to-market for specific use cases. The ATSHA206A is a true two-wire device that is powered parasitically through the single-wire interface signal. The device comes in a number of custom packaging solutions and has a built-in decoupling capacitor providing an attractive solution for a wide variety of applications where the accessory may or may not require an actual PCB and the space is limited.

For product comparison, please consider: ATSHA204A

Additional Features
  • • Consumable Authentication Device
  • • SHA-256 Hash Algorithm with 256-bit Keys
  • • 248-byte EEPROM for Configuration, Keys and Data
  • – Data Zone: 5 slots of 32 bytes each
  • – Configuration Zone: 88 bytes for counting, locks and serial number
  • • Data Zone Features:
  • – Parent key slot
  • – Derived key slot
  • – Three dedicated storage slots.
  • • High-Speed, Single-Wire Interface with Parasitic Power
  • • On-Die Integrated Bypass Capacitor to allow for Parasitic Power Operation
  • • 1,024 Maximum uses. Can be configured for a lesser amount.
  • • 2.5V to 4.5V Supply Voltage Range
  • • <150 nA Sleep Current
  • • Unique Packaging Solutions:
  • – 2-Pad VSFN contact package for mechanical attachment without PCB
  • – 2-lead Top-Side-Bottom (TSB) multi-sided package for contact connections
  • – 8-Pad UDFN for prototyping and early development.
  • – 4-ball WLCSP, 2 x 2 Grid with a 0.4 mm ball pitch (contact Microchip Sales for more information)
Parametrics
Name
Value
Operating Current Typical (mA)
0.5
Operating Voltage (Vcc)
2.5 - 5.5
Density
5
Temp# Range (deg C)
-40 - 85
Interface Type
single wire parasitic power
Key Size
256
Standby Typical (uA)
0.03
Algorithm Type
SHA256

Documents

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Data Sheets

Development Environment

  • Demo & Evaluation Boards
Demo & Evaluation Boards
ATSHA206A TRUST
ATSHA206A TRUST ( EV52C70A )

The ATSHA206A TRUST board feature the ATSHA206A parasitically powered secure element with a single wire interface.  This secure element has been designed as a low cost easy to use symmetric authentication device.  Primary applications will be for Disposable Authentication, Ecosystem Control and Anti-cloning applications.  As a member of the Microchip Trust Family of Products the

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