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Part Number
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DS1986 |
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Manufacturer
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Dallas Semiconductor |
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Description
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64-kbits Add-Only iButton |
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Published
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Jul 5, 2008 |
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Detailed Description
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DS1986 64-kbits Add-Only iButtonTM
www.iButton.com
SPECIAL FEATURES
65536 bits Electrically Programmable Read Only Memo...
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Datasheet
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DS1986
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Overview
DS1986 64-kbits Add-Only iButtonTM
www.
iButton.
com
SPECIAL FEATURES
65536 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground § Overdrive mode boosts communication speed to 142 kbits per second www.
DataSheet4U.
com § EPROM partitioned into two hundred and 56 256-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 favor of a newly programmed page § Reduces control, a...
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