ATSGA204A データシートの表示（PDF） - Microchip Technology

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ATSGA204A

Microchip CryptoAuthentication

Microchip Technology 

ATSHA204A

ATSHA204A Microchip CryptoAuthentication Data Sheet

Features

• Crypto Element with Protected Hardware-Based Key Storage

• Secure Symmetric Authentication Device Host and Client Operations

• Superior SHA-256 Hash Algorithm with Message Authentication Code (MAC) and Hash-Based

Message Authentication Code (HMAC) Options

• Best-in-class, 256-bit Key Length; Storage for Up to 16 Keys

• Guaranteed Unique 72-bit Serial Number

• Internal, High-quality Random Number Generator (RNG)

• 4.5 kb EEPROM for Keys and Data

• 512 bit OTP (One Time Programmable) Bits for Fixed Information

• Multiple I/O Options

– UART-compatible High-Speed, Single-Wire Interface

– 1 MHz I2C Interface

• 2.0V to 5.5V Supply Voltage Range

• 1.8V to 5.5V Communications Voltage Range

• <150 nA Sleep Current

• Secure Download and Boot

– Ecosystem Control

– Message Security

– Anti-Cloning

• 8-lead SOIC, 8-lead TSSOP (2), 3-lead SOT23, 8-pad UDFN and

3-lead CONTACT Packages

Applications

• Secure Download and Boot

• Ecosystem Control

• Anti-cloning

• Message Security

© 2018 Microchip Technology Inc.

DS40002025A-page 1

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