Dell DS2502 free download

File name DS2502.pdf

19-5075; Rev 12/11 DS2502 1Kb Add-Only Memory FEATURES PIN ASSIGNMENT 1024 bits Electrically Programmable Read TO-92 NC 1 8 NC Only Memory (EPROM) communicates with DS2502 NC 2 7 NC the economy of one signal plus ground Unique, factory-lasered and tested 64-bit DATA 3 6 NC registration number (8-bit family code + 48- GND 4 5 NC bit serial number + 8-bit CRC tester) assures 8-PIN SO (150 MIL) absolute traceability because no two parts are alike TSOC PACKAGE Built-in multidrop controller ensures GND 1 6 NC compatibility with other MicroLAN products DATA 2 5 NC EPROM partitioned into four 256-bit pages NC 3 4 NC for randomly accessing packetized data TOP VIEW Each memory page can be permanently NC GND DATA SOT-23 Package write-protected to prevent tampering Top View Device is an "add only" memory where 3 additional data can be programmed into EPROM without disturbing existing data 1 2 3 09rr Architecture allows software to patch data by superseding an old page in favor of a newly 1 2 programmed page BOTTOM VIEW 1 = DATA; 2, 3 = GND "rr" = Revision Reduces control, address, data, power, and p