DS2502-E48 DALLAS | Alldatasheet
Document overview
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Technical content
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
/g167 Factory programmed 48-bit node address chip with 768 bits user-programmable OTP- EPROM communicates with the economy of one signal plus ground /g167 Provides valid MAC-48/EUI-48 ETHERNET address /g167 Unique, factory lasered and tested 64-bit registration number assures absolute traceability because no two parts are alike /g167 Built-in multidrop controller ensures compatibility with other 1-Wire ® products /g167 Device is an “add-only” memory where additional data can be programmed into EPROM without disturbing existing data /g167 Reduces control, address, data, power and programming signals to a single pin /g167 Directly connects to a single port pin of a microprocessor and communicates at up to 16.3kbps /g167 Presence detector acknowledges when reader first applies voltage /g167 Low cost TO-92 or TSOC surface mount packages /g167 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 PIN CONFIGURATION TO-92 BOTTOM VIEW TSOC PACKAGE TOP VIEW
ORDERING INFORMATION
DS2502P-E48/T&R Tape-a nd-Reel version of DS2502P-E48 GLOBAL IDENTIFIER DESCRIPTION The DS2502-E48 is a variant of the DS2502 1024-bit add-only memory. It differs from the standard DS2502 in its custom ROM family code 89H, and the Un iqueWare Identifier 5E7H in place of the upper 12 bits of the standard ROM serialization field. Otherwise, the electrical and logical behavior is identical to that of the DS2502. For technical details please refer to the DS2502 data sheet. DS2502-E48 48-Bit Node Address Chip www.maxim-ic.com 1-Wire is a registered trademark of Dallas Semiconductor.