View ap1701 ap1702 ap1703 ap1704 datasheet:

AP1701/2/3/4 3-Pin Microprocessor Reset Circuits Features General Description - Precision Monitoring of +3V, +3.3V, and +5V The AP1701/2/3/4 are used for microprocessor (µP) Power-Supply Voltages supervisory circuits to monitor the power supplies in - Fully Specified Over Temperature µP and digital systems. They provide excellent - Available in Three Output Configurations circuit reliability and low cost by eliminating external - Push-Pull RESET Low Output (AP1701/3) components and adjustments when used with +5V, - Push-Pull RESET High Output (AP1702/4) +3.3V, +3.0V powered circuits. - 140ms min Power-On Reset Pulse Width These circuits perform a single function: they assert - 12µA Supply Current a reset signal whenever the VCC supply voltage - Guaranteed Re