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DS1991 Datasheet - Dallas Semiconductor

DS1991 - MultiKey iButton

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. Each key is 384 bits long with distinct 64-bit password and public ID fields (Figure 1). The password field must be matched in order to acce.

DS1991 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 tra

DS1991_DallasSemiconductor.pdf

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Datasheet Details

Part number:

DS1991

Manufacturer:

Dallas Semiconductor

File Size:

333.37 KB

Description:

Multikey ibutton.

DS1991 Distributor

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