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DS2501 - 512-Bit Add-Only Memory

General Description

The DS2501 512-bit 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 interfacefor example, a single port pin of a microcontroller.

Key Features

  • 512 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 + 48bit 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 256-bit pages for randomly accessing packetized data.
  • Each memo.

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📁 Similar Datasheet

Part Number Description Manufacturer
DS2501 1A VERY LOW DROPOUT VOLTAGE REGULATORS Advanced Monolithic Systems
DS2501 512-Bit Add-Only Memory Dallas Semiconductor
DS2502 1Kbit Add?Only Memory Dallas Semiconducotr
DS2502-UNW UniqueWare Add-Only Memory Dallas Semiconductor
DS2505 16-kbit Add-Only Memory Dallas Semiconducotr

Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
DS2502 1Kb Add-Only Memory
DS2502-E48 48-Bit Node Address
DS2502-E64 IEEE EUI-64 Node Address
DS2505 16Kb Add-Only Memory
DS21348 3.3V E1/T1/J1 Line Interface

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-4922; Rev 2/12 DS2501 512-Bit Add-Only Memory FEATURES ▪ 512 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 + 48bit 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 256-bit pages for randomly accessing packetized data ▪ 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