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Partname: | MAX6392KA16 |
Description: | Dual-Voltage µP Supervisory Circuits with Sequenced Reset Outputs |
Manufacturer: | Maxim Integrated Products |
Datasheet: | PDF (211K). Click here to download *) |
The MAX6391/MAX6392 microprocessor (P) supervisory circuits provide sequenced logic reset outputs for multicomponent or dual-voltage systems. Each device can monitor two supply voltages and time-sequence two reset outputs to control the order in which system components are turned on and off. The MAX6391/MAX6392 increase system reliability and reduce circuit complexity and cost compared to separate ICs or discrete components. The MAX6391/MAX6392 monitor V CC as the master reset supply. Both RESET1 and RESET2 are asserted whenever VCC drops below the selected factory-fixed reset threshold voltage. RESET1 remains asserted as long as V CC is below the threshold and deasserts 140ms (min) after VCC exceeds the thresholds. RESET IN2 is monitored as the secondary reset supply and is adjustable with an external resistive-divider network. R ESET2 is asserted whenever either V CC or RESET IN2 is below the selected thresholds. RESET2 remains asserted 140ms (min) or a capacitoradjustable time period after V CC and RESET IN2 exceed their thresholds. RESET2 is always deasserted after RESET1 during system power-up and is always asserted before RESET1 during power-down. |
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Click here to download MAX6392KA16 Datasheet*) |
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