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相关产品
产品信息
MAX24025IMP+T
安全IC/验证IC Silicon Serial Number
DESCRIPTION
The MAX24025IMP+T 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 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 via the 1-Wire protocol that requires only a single data lead and a ground return. Power for reading and writing the device is derived from the data line itself with no need for an external power source.
BENEFITS AND FEATURES MAX24025IMP+T
• Guaranteed Unique 64-Bit ROM ID Chip for Absolute Traceability
o Unique, Factory-Lasered and Tested 64-Bit Registration Number (8-Bit Family Code +48-Bit Serial Number + 8-Bit CRC Tester)
o 8-Bit Family Code Specifies DS2401 Communications Requirements to Reader
• Minimalist 1-Wire® Interface Lowers Cost and Interface Complexity
o Multiple DS2401 Devices Can Reside on a Common 1-Wire Net
o Built-In Multidrop Controller Ensures
Compatibility with Other 1-Wire Net
Products
o Reduces Control, Address, Data, and
Power to a Single Pin and Communicates
at Up to 16.3kbps
o Presence Pulse Acknowledges When the
Reader First Applies Voltage
o Low-Cost TO-92, SOT-223, and TSOC
Surface-Mount Packages
o TO-92 Tape-and-Reel Version with Leads
Bent to 100-mil Spacing (Default) or with
Straight Leads (DS2401-SL)
APPLICATIONS MAX24025IMP+T
PCB Identification
Network Node ID
Equipment Registration
