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DS1427 Datasheet - Dallas Semiconducotr

DS1427, Time iButton

DS1427 DS1427 Time iButton .
Authorization iButtons are sophisticated microelectronics, sealed into miniature stainless steel cans, creating a low cost, portable medium for storin.
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DS1427_DallasSemiconducotr.pdf

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Datasheet Details

Part number:

DS1427

Manufacturer:

Dallas Semiconducotr

File Size:

19.44 KB

Description:

Time iButton

Features

* PACKAGE OUTLINE
* Provides RAM a unique 64
* bit serial number, 4K bits of
* No external power required
* Uses inexpensive 1
* WireTM protocol
* Universally portable across platforms
* Programmable secure real time clock with alarm and elapsed

Applications

* software metering, and to vary valid protection keys by time. Ability to distribute demonstration software that expire on a date controlled by the deliverer. Hardware communication with the iButtons is conducted via a 1
* wire interface. The conversion from a PC I/O port to the 1
* wire

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