DS1231S-35 Maxim Integrated Products, DS1231S-35 Datasheet
DS1231S-35
Specifications of DS1231S-35
Related parts for DS1231S-35
DS1231S-35 Summary of contents
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... NMI TOL 11 RST GND 8 RST DS1231S 16–Pin SOIC (300 MIL) See Mech. Drawings Section PIN DESCRIPTION IN – Input MODE – Selects input pin characteristics TOL – Selects 5% or 10% V detect CC GND – Ground RST – Reset (Active High) RST – Reset (Active Low, open drain) NMI – ...
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DS1231/S OPERATION The DS1231 Power Monitor detects out-of-tolerance power supply conditions and warns a processor-based system of impending power failure. The main elements of the DS1231 are illustrated in Figure 1. As shown, the DS1231 actually has two comparators, one ...
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POWER MONITOR BLOCK DIAGRAM Figure NMI MODE SELECTION GND TOLERANCE TOL BIAS 3 T.C. REFERENCE POWER-UP RESET Figure 2 DS1231 IN V MODE NMI TOL RST GND RST (-5% ...
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DS1231/S INPUT PIN HYSTERESIS Figure 3 NMI MODE = GND + TP NMI MODE = + ...
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APPLICATION – MODE PIN CONNECTED TO GROUND When the Mode pin is connected to ground, pin current source with 2.5 volts. Pin held below the trip point ...
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DS1231/S APPLICATION WITH MODE PIN GROUNDED Figure 6 VOLTAGE SENSE POINT VOLTAGE SENSE POINT (TRIP VALUE) IC CTR CTR CURRENT TRANSFER RATIO IF VZ ZENNER VOLTAGE EXAMPLE: CTR = 0 150 ...
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ABSOLUTE MAXIMUM RATINGS* Voltage on V Pin Relative to Ground CC Voltage on I/O Relative to Ground Operating Temperature Operating Temperature (Industrial Version) Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device ...
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DS1231/S AC ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL V to NMI Delay t TP IPD V Slew Rate 4.75-4.25V Detect to RST and RST t CC RPD V Detect to NMI t CC IPU V Detect to RST ...
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TIMING DIAGRAM: POWER-DOWN V TP INPUT PIN 1 MODE=V CC INPUT PIN 1 MODE=GND IPD NMI 4.75V RST RST CCTP 4.25V t RPD RST SLEWS WITH ...