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Reset ICs

PST89DA

Overview

This IC is a reset IC for turning on/off power supply and power flicker in CPU or logic systems.
This IC can change delay time by an external capacitor.

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

Low current consumption,
Small package

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.
7.0 0.95 6.50 1.2 5.2 ±1 0.35 Adjustable CMOS Active L No No 1ch Reset -40 105 VTH(Typ.)×0.05 10 VDD×0.5
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]
7.0 0.95 6.50 1.2 5.2 ±1 0.35
Release delay time Output type Output Logic Separated sense pin Manual reset Circuit structure
Adjustable CMOS Active L No No 1ch Reset
Operating Ambient Temperature
Min.
[deg.C]
Operating Ambient Temperature
Max.
[deg.C]
Hysteresis voltage
Typ.
[V]
Delay resistance
Typ.
[M OHM]
-40 105 VTH(Typ.)×0.05 10
Detection pin threshold voltage
Typ.
VDD×0.5

Package

Download

Associated Data

Engineering Information

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