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PST575CMT
System Reset PST575 MITSUMI System Reset Monolithic IC PST575 Outline This IC functions in a variety of CPU systems and other logic systems, to detect power supply voltage and reset the system accurately when power is turned on or interrupted. This ultra-low current consumption low reset type system reset IC has a built-in delay time generating circuit that can set the time by an external capacitor and resistor. It is ideal for use in multi-CPU systems because a fast-rising output waveform can be obtained. Features 1. Ultra-low current consumption 2. Low operating limit voltage 3. Output current high for ON 4. Hysteresis voltage provided in detection voltage 5. Delay time can set over a wide range using external capacitor and resistor. 6. 10 ranks of detection voltage ICCH=7.5µA typ. ICCL=400µA typ. 0.65V typ. 30mA typ. 50mV typ. 10µS~10S PST575 C : 4.5V typ. D : 4.2V typ. E : 3.9V typ. F : 3.6V typ. G : 3.3V typ. H : 3.1V typ. I : 2.9V typ. J : 2.7V typ. K : 2.5V typ. L : 2.3V typ. Package MMP-4A (PST575 M) DIP-8A (PST575 ) contains detection voltage rank * Applications 1. Reset circuits in microcomputers, CPUs and MPUs (especially multi-CPU sets) 2. Logic circuit reset circuits. 3. Battery voltage check circuits. 4. Back-up power supply switching circuits. 5. Level detection circuits. Pin Assignment 2 6 3 DIP-8A 5 4 GND Cd 5 1 7 3 4 8 VOUT 7 VCC 1 2 MMP-4A VCC VOUT 3 3 1 2 4 Cd 4 GND
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