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DS1982

Part Number	DS1982
Manufacturer	Maxim Integrated
Description	1Kb Add-Only iButton
Published	May 24, 2018
Detailed Description	19-4891; Rev 8/09 SPECIAL FEATURES  1024 bits Electrically Programmable ReadOnly Memory (EPROM) communicates with the ...
Datasheet	DS1982 PDF File

Overview

19-4891; Rev 8/09 SPECIAL FEATURES  1024 bits Electrically Programmable ReadOnly Memory (EPROM) communicates with the economy of one signal plus ground  EPROM partitioned into four 256-bit pages for randomly accessing packetized data  Each memory page can be permanently writeprotected 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 favor of a newly programmed page  Reduces control, address, data, power, and programming signals to a single data pin  8-bit family code specifies DS1982 communications requirements to reader  Reads over a wide voltage range of 2.
8V to 6.
0V from -40°C to +85°C; programs at 11.
5V to 12.
0V from -40°C to +50°C ORDERING INFORMATION DS1982-F3+ F3 MicroCan DS1982-F5+ F5 MicroCan +Denotes a lead(Pb)-free/RoHS-compliant product.
EXAMPLES OF ACCESSORIES DS9096P Self...

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