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.

FEATUREs
♦ Single-Piece, Reflowable, 27mm x 27mm BGA
ackage 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 +85°C)
♦ UL Recognized

APPLICATIONs
   RAID Systems and Servers 
   Gaming
   POS Terminals 
   Fire Alarms
   Industrial Controllers 
   PLCs
   Data-Acquisition Systems 
   Routers/Switches