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DS3030W - 3.3V Single-Piece 256kb Nonvolatile SRAM

Datasheet Summary

Description

The DS3030W consists of a static RAM, a nonvolatile (NV) controller, a year 2000-compliant real-time clock (RTC), and an internal rechargeable manganese lithium (ML) battery.

These components are encased in a surface-mount module with a 256-ball BGA footprint.

Features

  • Single-Piece, Reflowable, 27mm x 27mm BGA Package Footprint.
  • Internal Manganese Lithium Battery and Charger.
  • Integrated Real-Time Clock.
  • Unconditionally Write-Protects the Clock and SRAM when VCC is Out-of-Tolerance.
  • Automatically Switches to Battery Supply when VCC Power Failures Occur.
  • Reset Output can be Used as a CPU Supervisor.
  • Interrupt Output can be Used as a CPU Watchdog Timer.
  • Industrial Temperature Range (-40°C to.

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Datasheet preview – DS3030W

Datasheet Details

Part number DS3030W
Manufacturer Maxim Integrated Products
File Size 244.01 KB
Description 3.3V Single-Piece 256kb Nonvolatile SRAM
Datasheet download datasheet DS3030W Datasheet
Additional preview pages of the DS3030W datasheet.

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Full PDF Text Transcription

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Rev 0; 6/05 3.3V Single-Piece 256kb Nonvolatile SRAM with Clock General Description The DS3030W consists of a static RAM, a nonvolatile (NV) controller, a year 2000-compliant real-time clock (RTC), and an internal rechargeable manganese lithium (ML) battery. These components are encased in a surface-mount module with a 256-ball BGA footprint. Whenever VCC is applied to the module, it recharges the ML battery, powers the clock and SRAM from the external power source, and allows the contents of the clock registers or SRAM to be modified. When VCC is powered down or out-of-tolerance, the controller writeprotects the memory contents and powers the clock and SRAM from the battery.
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