Original DS28E01-100 IC 1Kb Protected 1-Wire EEPROM with SHA-1 Engine

Product Details

   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 (MAC) and to Generate Secrets

• Write Access Requires Knowledge of the Secret and the Capability of Computing and Transmitting a 160-Bit MAC as Authorization

• User-Programmable Page Write 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 a Wide Voltage Range of 2.8V to 5.25V from -40°C to +85°C

• 6-Lead TSOC and TDFN or 2-Lead TO-92 and SFN Packages

Product Description

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