DS1985 - 16Kb Add-Only iButton

Product Overview

Maxim Integrated

Part number	DS1985
Manufacturer	Maxim Integrated
File Size	682.49 KB
Description	16Kb Add-Only iButton
Datasheet	DS1985 Datasheet
Additional preview pages of the DS1985 datasheet.

16384 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground.
EPROM partitioned into 64 256-bit pages for randomly accessing packetized data records.
Each memory page can be permanently write protected to prevent tampering.
Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data.
Architecture allows software to patch data by superseding an old page in favo.

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Published: May 24, 2018 |