(China (Mainland))
Product Summary
The DS1994L-F5 Memory iButton is a rugged read/write data carrier that acts as a localized database, easily accessible with minimal hardware. The nonvolatile memory and optional timekeeping capability offer a simple solution to storing and retrieving vital information pertaining to the object to which the iButton is attached. Data is transferred serially through the 1-Wire protocol that requires only a single data lead and a ground return.
Parametrics
Absolute maximum ratings: (1)Voltage on any Pin Relative to Ground: -0.5V to +7.0V; (2)Operating Temperature: -40℃ to +70℃; (3)Storage Temperature: -40℃ to +70℃.
Features
Features: (1)4096 bits of Read/Write Nonvolatile Memory; (2)256-bit Scratchpad Ensures Integrity of Data Transfer; (3)Memory Partitioned into 256-bit Pages for Packetizing Data; (4)Data Integrity Assured with Strict Read/Write Protocols; (5)Contains Real-Time Clock/Calendar in Binary Format; (6)Interval Timer Can Automatically Accumulate Time When Power is Applied; (7)Programmable Cycle Counter can Accumulate the Number of System Power-On/Off Cycles; (8)Programmable Alarms Can Be Set to Generate Interrupts for Interval Timer, Real-Time Clock, and/or Cycle Counter; (9)Write-Protect Feature Provides Tamperproof Time Data.
Diagrams
| Image | Part No | Mfg | Description |  |
Pricing (USD) |
Quantity | ||||
|---|---|---|---|---|---|---|---|---|---|---|
 |
 DS1994L-F5 |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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DS1994L-F5+ |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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|
DS1994L-F5-W |
Maxim Integrated Products |
iButtons |
Data Sheet |
Negotiable |
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