DS2401T Dallas Semiconducotr, DS2401T Datasheet
DS2401T
Related parts for DS2401T
DS2401T Summary of contents
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... Pin 5-6 ORDERING INFORMATION DS2401 TO-92 Package DS2401Z SOT-223 Surface Mount Package DS2401T Tape & Reel of DS2401 DS2401T-SL Like DS2401T but straight leads DS2401Y Tape & Reel of DS2401Z DS2401P TSOC Surface Mount Package DS2401V Tape & Reel of DS2401P DS2401X1 Chip Scale Pkg., Tape & Reel ...
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DESCRIPTION The DS2401 enhanced Silicon Serial Number is a low-cost, electronic registration number that provides an absolutely unique identity which can be determined with a minimal electronic interface, typically a single port pin of a microcontroller. The DS2401 consists of ...
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DS2401 EQUIVALENT CIRCUIT Figure 2 BUS MASTER CIRCUIT Figure 3 A) Open Drain To data connection of DS2401 B) Standard TTL DS2401 To data connection of DS2401 102199 ...
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TRANSACTION SEQUENCE The sequence for accessing the DS2401 via the 1-Wire port is as follows: § Initialization § ROM Function Command § Read Data INITIALIZATION All transactions on the 1-Wire bus begin with an initialization sequence. The initialization sequence consists ...
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SIGNALING The DS2401 requires a strict protocol to ensure data integrity. The protocol consists of four types of signaling on one line: reset sequence with Reset Pulse and Presence Pulse, write 0, write 1 and read data. All these ...
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ROM FUNCTIONS FLOW CHART Figure DS2401 102199 ...
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INITIALIZATION PROCEDURE “RESET AND PRESENCE PULSES” Figure 5 RESISTOR MASTER DS2401 In order not to mask interrupt signaling by other devices on the 1-Wire bus less than 960 s. READ/WRITE TIMING DIAGRAM Figure 6 Write-One Time Slot RESISTOR ...
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READ/WRITE TIMING DIAGRAM (cont’ d) Figure 6 Write-zero Time Slot Read-data Time Slot RESISTOR MASTER DS2401 CRC GENERATION To validate the data transmitted from the DS2401, the bus master may generate a CRC value from the data ...
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ABSOLUTE MAXIMUM RATINGS* Voltage on any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation ...
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NOTES: 1. All voltages are referenced to ground external pullup voltage. PUP 3. Input load is to ground additional reset or communication sequence cannot begin until the reset high time has expired. 5. Read data ...