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¹¦ÄÜÃèÊö | Dual-Voltage uP Supervisory Circuits with Sequenced Reset Outputs DUAL-VOLTAGE RESET CIRCUITS WITH SE - Cut Tape Product |
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General Description
The MAX6391/MAX6392 microprocessor (?P) supervisory circuits provide sequenced logic reset outputs for multi component 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.
Features
? Preset VCC Reset Threshold Voltages from 1.58V to 4.63V (master supply)
? Customer-Adjustable RESET IN2 to Monitor Voltages Down to 625mV (secondary supply)
? Fixed (140ms min) RESET1 Timeout
? Fixed (140ms min) or Customer-Adjustable RESET2 Timeout Period
? Guaranteed Reset Valid to VCC = 1V
? Active-Low Open-Drain Outputs or Push Pull/Open-Drain Combination
? Internal Open-Drain Pullup Resistors (for external VOH voltage connections)
? Manual Reset Input (MAX6392 only)
? Immune to Short Negative VCC Transients
? 15?A Typical Supply Current
? Few External Components
? Small 8-Pin SOT23 Package
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DUAL-VOLTAGE RESET CIRCUITS WITH SE - Cut Tape Product
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