DS1991 - MultiKey iButton

Name: DS1991
SKU: DS1991-618618

Dallas Semiconductor

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Datasheet Details

Part number	DS1991
Manufacturer	Dallas Semiconductor
File Size	326.54 KB
Description	MultiKey iButton
Datasheet	DS1991_DallasSemiconductor.pdf

DS1991 Product details

Description

The DS1991 MultiKey iButton is a rugged read/write data carrier that acts as three separate electronic keys, offering 1,152 bits of secure, nonvolatile memory.

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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Other Datasheets by Dallas Semiconductor

DS1992 - (DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM
DS1993 - (DS1992 / DS1993) 1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM
DS1994 - 4kb Plus Time Memory iButton
DS1963L - 4k-BIT MONETARY iButton
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DS1982U - (DS1982U - DS1986U) Uniqueware Ibutton

Published: Jul 5, 2008 |