DS1260
FEATURES
Encapsulated lithium energy cell with shelf life beyond 10 years Available with energy capacities of 250, 500, and 1,000 m AH @ 3 volts Plugs into a standard 16-pin DIP socket Lithium cell electrically disconnects from exposed pins upon mand 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 writeprotects 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
PIN ASSIGNMENT
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
See Mech. Drawings Section
PIN DESCRIPTION
Pins 1, 2, 4, 7, 9, 10 and 14 are No-Connects Pin 3 is Battery Fail ( BF ) Pin 5 is Battery Out (BAT) Pin 6 is RESET (RST) Input Pin 8 is Ground Pin 11 is Power Fail ( PF ) Pins 12 and 13 are RAM...
