DS1314S/T&R Maxim Integrated, DS1314S/T&R Datasheet
DS1314S/T&R
Specifications of DS1314S/T&R
Related parts for DS1314S/T&R
DS1314S/T&R Summary of contents
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Nonvolatile Controller with Lithium Battery Monitor FEATURES Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects SRAM when V is out of tolerance CC Automatically switches to battery backup supply when V power failure occurs CC ...
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In addition to battery-backup support, the DS1314 performs the important function of monitoring the remaining capacity of the lithium battery and providing a warning before the battery reaches end-of-life. Because the open-circuit voltage of a lithium backup battery remains relatively ...
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Should not deactivate for this reason, the new battery can be detached for t BW attached to clear . BW NOTE: The DS1314 cannot constantly monitor an attached battery because such monitoring would drastically reduce the life of the ...
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FUNCTIONAL BLOCK DIAGRAM Figure ...
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ABSOLUTE MAXIMUM RATINGS Voltage Range on Any Pin Relative to Ground Operating Temperature Range Storage Temperature Range Soldering Temperature (reflow TSSOP) Lead Temperature (soldering, 10s) This is a stress rating only and functional operation of the device at ...
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V Trip Point BAT V /V Switch Point CC BAT (TOL=GND Switch Point CC BAT (TOL CCO Output Current @ 2.2V Output Current @ 0.4V Input Leakage Output Leakage Battery Monitoring Test Load DC ELECTRICAL CHARACTERISTICS ...
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AC ELECTRICAL CHARACTERISTICS PARAMETER Battery Test to Active BW Battery Test Cycle-Normal Battery Test Cycle-Warning Battery Test Pulse Width Battery Detach to Battery Attach Battery Attach to Inactive BW TIMING DIAGRAM: POWER-UP NOTE < will ...
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TIMING DIAGRAM: POWER-DOWN NOTE < will slew down with V BAT SW CCO until CCI CCI BAT ...
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TIMING DIAGRAM: BATTERY WARNING DETECTION NOTE measured from the expiration of the internal timer to the activation of the battery warning output TIMING DIAGRAM: BATTERY REPLACEMENT ...
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NOTES: 2. All voltages referenced to ground. 3. Measured with outputs open circuited the maximum average load which the DS1314 can supply to attached memories at V CCO1 V -0.2V. CCI the maximum average ...
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ORDERING INFORMATION TEMP PART RANGE DS1314+ -40°C to +85°C 8 PDIP DS1314S-2+ -40°C to +85° DS1314S+ -40°C to +85° DS1314E+ -40°C to +85°C 20 TSSOP +Denotes a lead(Pb)-free/RoHS-compliant package. PACKAGE INFORMATION For the latest package outline ...
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... © 2012 Maxim Integrated Products , TOL and Output Capacitance as being only for CEI Maxim is a registered trademark of Maxim Integrated Products, Inc (this CCD ...