SGM809 circuit equivalent, microprocessor supervisory circuit.
built-in glitch immunity, making it immune to fast transients on VCC.
The low supply current .
The SGM803/SGM809/SGM810 supervisory circuits monitor the power supply voltage in microprocessor and digital systems. They provide a reset output during power-up, power-down and brownout conditions. On power-up, an internal timer holds reset asserted.
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