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DS1991 Datasheet MultiKey iButton

Manufacturer: Dallas Semiconductor

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Datasheet Details

Part number DS1991
Manufacturer Dallas Semiconductor
File Size 326.54 KB
Description MultiKey iButton
Datasheet download datasheet DS1991 Datasheet

General Description

The DS1991 MultiKey iButton is a rugged read/write data carrier that acts as three separate

Overview

DS1991 MultiKey iButtonTM www.dalsemi.com SPECIAL.

Key Features

  • 1,152-bit secure read/write, nonvolatile memory.
  • Secure memory cannot be deciphered www. DataSheet4U. com without matching 64-bit password.
  • Memory is partitioned into 3 blocks of 384 bits each.
  • 64-bit password and ID fields for each memory block.
  • 512-bit scratchpad ensures data transfer integrity.
  • Operating temperature range: -40°C to +70°C.
  • Over 10 years of data retention.
  • Easily affixed with self-stick adhesive backing, latched by its flange.

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