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DS3065W

Maxim Integrated Products
Part Number DS3065W
Manufacturer Maxim Integrated Products
Description Single-Piece 8Mb Nonvolatile SRAM
Published Dec 29, 2006
Detailed Description www.DataSheet4U.com Rev 0; 4/05 3.3V Single-Piece 8Mb Nonvolatile SRAM with Clock General Description The DS3065W cons...
Datasheet PDF File DS3065W PDF File

DS3065W
DS3065W

Overview
www.
DataSheet4U.
com Rev 0; 4/05 3.
3V Single-Piece 8Mb Nonvolatile SRAM with Clock General Description The DS3065W 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.
The DS3065W also contains a power-supply monitor output (RST), as well as a user-programmable interrupt output (IRQ/FT).
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 + 85°C) ♦ UL Recognized DS3065W Applications RAID Systems and Servers POS Terminals Industrial Controllers Data-Acquisition Systems Gaming Fire Alarms PLCs Routers/Switches Ordering Information PART DS3065W-100 TEMP RANGE -40°C to +85°C PIN-PACKAGE 256-ball 27mm x 27mm BGA Module SPEED 100ns SUPPLY VOLTAGE (%) 3.
3V ±0.
3V Typical Operating Circuit CE WR RD CS CE WE OE CS MICROPROCESSOR OR DSP DATA DS3065W 8 BITS DQ0–7 1024k x 8 NV SRAM AND RTC ADDRESS 20 BITS A0–19 INT INT IRQ/FT RST Pin Configuration appears at end of data sheet.
______________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642...


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