DS2506 - Dallas Semiconducotr

DS2506 64-kbit Add-Only Memory

The DS2506 64 kbits Add-Only Memory identifies and stores relevant information about the product to which it is associated. This lot or product specific information can be accessed with minimal interface, for example a single port pin of a microcontroller. The DS2506 consists of a factory-lasered registration number that includes a unique 48-bit serial numbe.

Features

65536 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 MicroLAN products EPROM partitioned into two hundred fifty six 256-bit pages for randomly accessing packetized data records Each memory page can be permanently writeprotected to prevent tampering Device is an “add only” memory where a.