The DS1260 SmartBattery is a low-cost, backup energy supply for portable and nonvolatile electronic equipment. A lithium energy source of up to 1 amp hour can supply power to CMOS electronic circuits when primary power is lost through an intelligent and efficient switch. When power is supplied from the lithium power source, the power fail signal is held low to warn electronic (RESET) circuits of the power status. Energy loss during shipping and handling is avoided by pulsing RESET, thereby causing the backup energy source to be isolated from the exposed pins. The DS1260 can be plugged into a standard 16-pin, low-cost DIP socket, allowing for proven interconnect and simple replacement if the energy has been exhausted.
Key Features
Encapsulated lithium energy cell with shelf life beyond 10 years
Available with energy capacities of 250, 500, and 1,000mAH @ 3 volts
Plugs into a standard 16-pin DIP socket
Lithium cell electrically disconnects from exposed pins upon command
Battery isolation ensures full capacity after shipping and handling
Lithium cell automatically reconnects when VCC is applied
Recessed pins prevent bending
VCC fail signal interrupts processor or write-protects memory
Exhausted energy cell warning signal
Low profile permits mounting on 0.5-inch printed circuit board centers
Mates directly with DS1212 Nonvolatile Controller to back up 16 SRAMs
Uninterruptible supply for CMOS and portable devices
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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