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DS1217M - Nonvolatile Read/Write Cartridge

General Description

The DS1217M is a nonvolatile RAM designed for portable applications requiring a rugged and durable package.

The nonvolatile cartridge has memory capacities from 64k x 8 to 512k x 8.

The cartridge is accessed in continuous 32k byte banks.

Key Features

  • User Insertable.
  • Data Retention Greater than 5 Years.
  • Capacity to 512k x 8.
  • Standard Bytewide Pinout Facilitates Connection to JEDEC 28-Pin DIP Through Ribbon Cable.
  • Software-Controlled Banks Maintain 32 x 8 JEDEC 28-Pin Compatibility.
  • Multiple Cartridges Can Reside on a Common Bus.
  • Automatic Write Protection Circuitry Safeguards Against Data Loss.
  • Manual Switch Unconditionally Protects Data.
  • Compact Size and Shape.
  • Rugged and Durable.
  • Oper.

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Other Datasheets by Maxim Integrated (now Analog Devices)

Part Number Description
DS1210 Nonvolatile Controller
DS1218 Nonvolatile Controller
DS1220AB 16k Nonvolatile SRAM
DS1220AD 16k Nonvolatile SRAM
DS1220Y 16k Nonvolatile SRAM
DS1225AB 64k Nonvolatile SRAM
DS1225AD 64k Nonvolatile SRAM
DS1225Y 64k Nonvolatile SRAM
DS1243Y 64K NV SRAM
DS1244 256K NV SRAM

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.

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DS1217M Nonvolatile Read/Write Cartridge www.maxim-ic.com GENERAL DESCRIPTION The DS1217M is a nonvolatile RAM designed for portable applications requiring a rugged and durable package. The nonvolatile cartridge has memory capacities from 64k x 8 to 512k x 8. The cartridge is accessed in continuous 32k byte banks. Bank switching is accomplished under software control by pattern recognition from the address bus. A card edge connector is required for connection to a host system. A standard 30-pin connector can be used for direct mount to a printed circuit board. Alternatively, remote mounting can be accomplished with a ribbon cable terminated with a 28-pin DIP plug. The remote method can be used to retrofit existing systems that have JEDEC 28-pin bytewide memory sites.