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Reset ICs

PST853A

Overview

This IC is a system reset IC that detect turn-off or the power flicker in power supply of CPU or logic systems.
The IC has the delay time pin by an external capacitor and separated sense pin. The output don't occur to turn over without minimum operating limit voltage by separated sense and power supply pin. Therefore the IC is suitable for low voltage detection applications.

Application

・Reset circuits for microcomputers, CPUs and MPUs
・Reset circuits for logic circuits
・Battery voltage check circuits
・Back-up power supply switching circuits
・Level detection circuits

Features

High accuracy detection,
Low current consumption

Main specifications

Absolute maximum
rating
[V]
Recommended
operating voltage
Min.
[V]
Recommended
operating voltage
Max.
[V]
Detection voltage
Min.
[V]
Detection voltage
Max.
[V]
Detection voltage accuracy
[%]
Consumption current
[μA]
Release delay time Output type Output Logic Separated sense pin Manual reset Circuit structure Operating Ambient Temperature
Min.
[deg.C]
Operating Ambient Temperature
Max.
[deg.C]
Hysteresis voltage
Typ.
[V]
Delay resistance
Typ.
[M OHM]
Detection pin threshold voltage
Typ.
Additional function
6.5 0.70 6.00 0.8 5.2 ±1 0.35 Adjustable CMOS Active L Yes No 1ch Reset -40 85 VTH(Typ.)×0.05 1 VDD×0.5 Separated Sense pin
Absolute maximum
rating
[V]
Recommended
operating voltage
Min.
[V]
Recommended
operating voltage
Max.
[V]
Detection voltage
Min.
[V]
Detection voltage
Max.
[V]
Detection voltage accuracy
[%]
Consumption current
[μA]
6.5 0.70 6.00 0.8 5.2 ±1 0.35
Release delay time Output type Output Logic Separated sense pin Manual reset Circuit structure
Adjustable CMOS Active L Yes No 1ch Reset
Operating Ambient Temperature
Min.
[deg.C]
Operating Ambient Temperature
Max.
[deg.C]
Hysteresis voltage
Typ.
[V]
Delay resistance
Typ.
[M OHM]
-40 85 VTH(Typ.)×0.05 1
Detection pin threshold voltage
Typ.
Additional function
VDD×0.5 Separated Sense pin

Package

Download

Associated Data

Engineering Information

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