DS1834D Maxim Integrated Products, DS1834D Datasheet
DS1834D
Specifications of DS1834D
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DS1834D Summary of contents
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... Dual EconoReset with Pushbutton PIN ASSIGNMENT input returns CC PIN DESCRIPTION RST 5V TOL GND PBRST 3.3V TOL 3.3V RST 3.3V IN *DS1834D Active High Reset DS1834/A/D 3. RST 7 3.3V RST TOL 3.3V TOL PBRST 4 5 ...
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OPERATION Power Monitor The DS1834 provides the functions of detecting out-of-tolerance conditions on a 3.3-volt and 5-volt power supply and warning a processor-based system of impending power failure. When an input is detected as out of tolerance on either voltage ...
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Tolerance Select The DS1834 provides two TOL inputs for individual customization of the DS1834 to specific application requirements. If the TOL for the 5-volt supply is tied to the 5-volt input a 10% tolerance is selected for the 5 volt ...
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OUTPUT VALID CONDITIONS All versions of the DS1834 can maintain valid outputs as long as one input remains above 1.2 volts. However, the outputs on the DS1834 use a push-pull output structure which can maintain a valid RST output below ...
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TIMING DIAGRAM: POWER-DOWN Figure 8 TIMING DIAGRAM: POWER-UP Figure DS1834/A/D ...
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... SYMBOL MIN -1 + 4.50 INTP V 4.25 INTP V 2.80 INTP ) V 2.47 IN INTP C OUT 0.5V (DS1834 & DS1834D 0.5V (DS1834 & DS1834D 0. (- +85 C) TYP MAX UNITS 5 IN(MAX) +0.3 V 0.5 V =1.2V to 5.5V) CC TYP MAX UNITS -0.1V µA +1.0 µA 350 mA µA 50 µ ...
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... RST t RPD t 300 200 RPU =2.7V. and 5V IN [=2.7V. and 5V IN input with an internal impedance of approximately IN(MAX) =2.7V (valid for DS1834 and DS1834D only [=5.5V. and [=3.6V. and minimum will not generate a reset. CCTP DS1834 DS1834A DS1834 DS1834A DS1834 DS1834A 834 ...