DS3030W - 3.3V Single-Piece 256kb Nonvolatile SRAM
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,
DS3030W 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 Sup
