Maxim Integrated 48bit EPROM TSOC, DS2502P-E48+T&R, СППЗУ

Factory programmed 48-bit node address chip with 768 bits user-programmable OTP-EPROM communicates with the economy of one signal plus ground
Provides valid Ethernet address
Unique, factory-lasered and tested 64-bit registration number assures absolute traceability because no two parts are alike
Built-in multidrop controller ensures compatibility with other 1-Wire products
Reduces control, address, data, power, and programming signals to a single pin
Directly connects to a single port pin of a microprocessor and communicates at up to 16.3kbps
Low cost TO-92 or TSOC surface mount packages
Reads over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C, programs at 11.5V to 12.0V from -40°C to +50°C

Datasheet - DS2502P-E48+T&R