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SHA104
  • SHA104
  • SHA104
  • SHA104

SHA104

In Production

The SHA104 is a member of the CryptoAuthentication™ product family used in accessory or disposable applications. The device provides 128-bits of symmetric security targeted for disposable and ecosystem control applications and is intended to be used as a companion device with Microchip or other vendor’s microcontrollers. The device can be used in systems where either one-way or mutual authentication is desired. For systems that use mutual authentication the SHA104 should be used in conjunction with the SHA105 or other CryptoAuthentication host side devices to make sure your symmetric key is also protected in the host. ...

Microchip Technology SHA104 Product Info

16 April 2026 0

Parameters

Device Name

SHA104

Algorithm Type

SHA256 MAC

Standby Typical (uA)

0.13

Provisioning

Blank

Interface Type

I2C, SWI

Features

  • Protected storage for Symmetric Key
  • Hardware Support for MAC Generation
  • Internal High-Quality NIST SP 800-90A/B/C Random Number Generator (RNG)
  • Strong Physical Protection Mechanisms against invasive attacks
  • Active Shield to protect against invasive attacks
  • Internal Memory Encryption and Scrambling
  • Low and High supply voltage Tampers
  • Low and High temperature Tampers
  • Field Programmable EEPROM
  • Single Symmetric Secret Key
  • 384 Bytes User Memory
  • 40 year Data Retention at 55℃
  • Monotonic Counter with Max Count value of 10,000
  • Counter can be attached to Key for Limited Use
  • Unique 72-Bit Serial Number
  • Interface Options
  • 400 KHz Fast-mode I2C Interface
  • 125 kbps Pulse Width Modulated (PWM) Single-Wire Serial Interface
  • Voltage Supply Range: 1.65V to 5.5V
  • <130 nA Sleep Current
  • Packaging Options:
  • 8-Pad UDFN (3mm x 3mm), 8-lead SOIC
  • 3-lead Contact (2.5mm x 6.5mm)
  • FIPS ESV certification : NRBG Entropy Source, DRBG
  • FIPS CAVP certification : SHA2-256

    • Description

    The SHA104 is a member of the CryptoAuthentication™ product family used in accessory or disposable applications. The device provides 128-bits of symmetric security targeted for disposable and ecosystem control applications and is intended to be used as a companion device with Microchip or other vendor’s microcontrollers. The device can be used in systems where either one-way or mutual authentication is desired. For systems that use mutual authentication the SHA104 should be used in conjunction with the SHA105 or other CryptoAuthentication host side devices to make sure your symmetric key is also protected in the host.

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