The DS2411 silicon serial number is a low-cost, electronic registration number with external power
supply. It provides an absolutely unique identity that can be determined with a minimal electronic
interface (typically, a single port pin of a microcontroller). The DS2411's registration number is a
factory-lasered, 64-bit ROM that includes a unique 48-bit serial number, an 8-bit CRC, and an 8-bit
family code (01h). Data is transferred serially through the Dallas Semiconductor's 1-Wire® protocol. The external power supply is required, extending the operating voltage range of the device below typical 1-Wire devices.
Key Features
Applications/Uses
Unique, Factory-Lasered and Tested 64-Bit
Registration Number (8-Bit Family Code
Plus 48-Bit Serial Number Plus 8-Bit CRC
Tester); Guaranteed No Two Parts Alike
Standby Current <1µA
Built-In Multidrop Controller Enables
Multiple DS2411s to Reside on a Common
1-Wire Network
Multidrop Compatible with Other 1-Wire
Products
8-Bit Family Code Identifies Device as
DS2411 to the 1-Wire Master
Low-Cost TSOC, SOT23-3, and Flip-Chip
Surface-Mount Packages
Directly Connects to a Single-Port Pin of a
Microprocessor and Communicates at up to
15.4kbps
Overdrive Mode Boosts Communication
Speed to 125kbps
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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