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DS2070W

Maxim Integrated Products
Part Number DS2070W
Manufacturer Maxim Integrated Products
Description 3.3V Single Piece 16Mb Nonvolatile SRAM
Published Nov 21, 2006
Detailed Description www.DataSheet4U.com Rev 0; 8/06 3.3V Single-Piece 16Mb Nonvolatile SRAM General Description The DS2070W is a 16Mb refl...
Datasheet PDF File DS2070W PDF File

DS2070W
DS2070W

Overview
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.
27mm2 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 Po...


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