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DS2070W - 3.3V Single Piece 16Mb Nonvolatile SRAM

Datasheet Summary

Description

The DS2070W is a 16Mb reflowable nonvolatile (NV) SRAM, which consists of a static RAM (SRAM), an NV controller, and an internal rechargeable manganese lithium (ML) battery.

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

Features

  • o Single-Piece, Reflowable, PBGA Package Footprint o Internal ML Battery and Charger o Unconditionally Write-Protects SRAM when VCC is Out-of-Tolerance o Automatically Switches to Battery Supply when VCC Power Failures Occur o Internal Power-Supply Monitor Detects Power Fail Below Nominal VCC (3.3V) o Reset Output can be Used as a CPU Supervisor for a Microprocessor o Industrial Temperature Range (-40°C to +85°C) o UL Recognized DS2070W.

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Datasheet preview – DS2070W

Datasheet Details

Part number DS2070W
Manufacturer Maxim Integrated Products
File Size 245.80 KB
Description 3.3V Single Piece 16Mb Nonvolatile SRAM
Datasheet download datasheet DS2070W Datasheet
Additional preview pages of the DS2070W datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com Rev 0; 8/06 3.3V Single-Piece 16Mb Nonvolatile SRAM General Description The DS2070W is a 16Mb reflowable nonvolatile (NV) SRAM, which consists of a static RAM (SRAM), an NV controller, 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 SRAM from the external power source, and allows the contents of the SRAM to be modified. When VCC is powered down or out-of-tolerance, the controller write-protects the SRAM’s contents and powers the SRAM from the battery. The DS2070W also contains a power-supply monitor output, RST, which can be used as a CPU supervisor for a microprocessor.
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