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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.

📥 Download Datasheet

Datasheet Details

Part number DS2501
Manufacturer Dallas Semiconductor
File Size 280.85 KB
Description 512-Bit Add-Only Memory
Datasheet download datasheet DS2501 Datasheet

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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