DS1314S-2+T&R/C02 Maxim Integrated, DS1314S-2+T&R/C02 Datasheet
DS1314S-2+T&R/C02
Specifications of DS1314S-2+T&R/C02
Related parts for DS1314S-2+T&R/C02
DS1314S-2+T&R/C02 Summary of contents
Page 1
... Battery Warning Output BW (Open Drain) - Reset Output (Open Drain) RST GND - Ground Connection DS1314 CCO CCI BAT 3 6 CEO 5 4 CEI DS1314S-2 8-Pin SOIC (150 mils CCO CCI RST BAT ...
Page 2
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 ...
Page 3
... POWER MONITORING DS1314S and DS1314E varieties have an additional reset pin. These varieties detect out-of-tolerance power supply conditions and warn a processor-based system of impending power failure. When V below the trip point level defined by the TOL pin (V ...
Page 4
FUNCTIONAL BLOCK DIAGRAM Figure ...
Page 5
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 ...
Page 6
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 ...
Page 7
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 ...
Page 8
TIMING DIAGRAM: POWER-DOWN NOTE < will slew down with V BAT SW CCO until CCI CCI BAT ...
Page 9
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 ...
Page 10
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 ...
Page 11
... 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 information and land patterns (footprints www.maxim-ic.com/packages. Note that a “+”, “ ...
Page 12
... © 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 ...