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ATSHA204A Datasheet(PDF) 1 Page - Microchip Technology |
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ATSHA204A Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 93 page  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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