Maxim has introduced the MAX16055, a hex-voltage microprocessor supervisor with integrated reset timing, which eliminates the need for an external capacitor. Whenever one of the six monitored voltages falls below its threshold, the open-drain reset output asserts and remains asserted for at least 140 ms after all six voltages exceed their respective thresholds. The reset output is internally pulled up to VCC to eliminate the need for an external resistor, but can be overdriven to accommodate other logic devices. A manual reset is also provided. There are 10 versions of the MAX16055, which provide different thresholds and supply tolerances to meet all low-voltage system requirements. Preset thresholds for monitoring 3,3; 3; 2,5; 1,8; 1,5; 1,2; 1,1; 1,0; and 0,9 V supplies with -5% and -10% tolerance are available. Additionally, adjustable versions are available to accommodate most standard logic devices.
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Power Electronics / Power Management
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