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DS2505P+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DS2505P+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 24 page 1 of 24 071107 FEATURES 16384 bits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground Unique, factory-lasered and tested 64-bit registration number (8-bit family code + 48-bit serial number + 8-bit CRC tester) assures absolute traceability because no two parts are alike Built-in multidrop controller ensures compatibility with other 1-Wire Net products EPROM partitioned into sixty-four 256-bit pages for randomly accessing packetized data records Each memory page can be permanently write- protected to prevent tampering Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data Architecture allows software to patch data by superseding an old page in favor of a newly programmed page Reduces control, address, data, power, and programming signals to a single data pin Directly connects to a single port pin of a microprocessor and communicates at up to 16.3 kbits per second 8-bit family code specifies DS2505 communications requirements to reader Presence detector acknowledges when the reader first applies voltage Low cost TO-92 or 6-pin TSOC surface mount package 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 DS2505 PIN ASSIGNMENT NOTE: The leads of TO-92 packages on tape- and-reel are formed to approximately 100 mil (2.54 mm) spacing. For details see the Package Information section. ORDERING INFORMATION DS2505 TO-92 Package DS2505/T&R TO-92 Package, Tape & Reel DS2505P TSOC Package DS2505P/T&R TSOC Package, Tape & Reel DS2505+ TO-92 Package DS2505+T&R TO-92 Package, Tape & Reel DS2505P+ TSOC Package DS2505P+T&R TSOC Package, Tape & Reel + Denotes a lead(Pb)-free/RoHS-compliant package. Top View 3.7 X 4.0 X 1.5 mm DATA 1 2 3 6 5 4 Side View See Mech. Drawing Section TSOC PACKAGE GND NC NC NC NC 16Kb Add-Only Memory www.maxim-ic.com 1-Wire is a registered trademark of Maxim Integrated Products, Inc. TO-92 DALLAS DS2505 1 2 3 Bottom View |
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