DS28E01-100 AD | Alldatasheet

Document overview

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  • PDF pages: 2

Technical content

Features

  • 1024 Bits of EEPROM Memory Partitioned into Four Pages of 256 Bits
  • On-Chip 512-Bit SHA-1 Engine to Compute 160- Bit Message Authentication Codes (MACs) and to Generate Secrets
  • Dedicated 64-Bit W rite-Only Secret with a Feature to Extend the Secret Size to 320 Bits by Setting a 256- Bit Page as Both Read and Write Protected
  • 5-Byte Challenge Size for Read Authenticated Page with Optional “Anonymous” Mode
  • Write Access Requires Knowledge of the Secret and the Capability of Computing and Transmitting a 160- Bit MAC as Authorization
  • User-Programmable Page W rite Protection for Page 0, Page 3, or All Four Pages Together
  • User-Programmable OTP EPROM Emulation Mode for Page 1 (“Write to 0”)
  • Communicates to Host with a Single Digital Signal at 15.3kbps or 90.9kbps Using 1-Wire Protocol
  • Switchpoint Hysteresis and Filtering to Optimize Performance in the Presence of Noise
  • Reads and Writes over 2.8V to 5.25V Voltage Range from -40°C to +85°C
  • 6-Lead TSOC and TDFN or 2-Lead TO-92 Packages Pin Configurations appear at end of data sheet. 1-Wire is a registered trademark of Maxim Integrated Products, Inc. 219-0007; Rev 10/24 +Denotes a lead(Pb)-free/RoHS-compliant package. T and T&R = Tape and reel. *EP = Exposed pad. PART TEMP RANGE PIN-PACKAGE DS28E01-100+ -40°C to +85°C 2 TO-92 DS28E01P-100+ -40°C to +85°C 6 TSOC DS28E01AP-100+ -40°C to +85°C 6 TSOC DS28E01P-100+T -40°C to +85°C 6 TSOC DS28E01AP-100+T -40°C to +85°C 6 TSOC DS28E01Q-100+T&R -40°C to +85°C 6 TDFN-EP* (2.5k pcs) 1Kb Protected 1-Wire EEPROM with SHA-1 Engine DS28E01-100/DS28E01A-100 © 2024 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Click here to ask an associate for production status of specific part numbers. Typical Operating Circuit IO RPUP VCC µC GND DS28E01-100/ DS28E01A-100

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1Kb Protected 1-Wire EEPROM with SHA-1 Engine DS28E01-100/ DS28E01A-100 www.analog.com Analog Devices │ 36 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. All Analog Devices products contained herein are subject to release and availability