MITSUMI
CMOS System Reset PST3XXX
CMOS System Reset
Monolithic IC PST3XXX Series
Outline
This IC is a system reset IC...
MITSUMI
CMOS System Reset PST3XXX
CMOS System Reset
Monolithic IC PST3XXX Series
Outline
This IC is a system reset IC developed using the
CMOS process. Super low consumption current of 0.25µA typ. has been achieved through use of the
CMOS process. Also, detection
voltage is high precision detection of ±2%.
Features
(1) Super low consumption current (2) High precision detection
voltage (3) Hysteresis characteristic (4) Operating range (5) Wide operating temperature range (6) Detection
voltage 0.25µA typ. (when VDD = Vs + 1V) ±2% 5% typ. 0.95 ~ 10V -30 ~ +85°C 2 ~ 6V (0.1V step)
Package
SC-82AB (PST31XX, PST32XX) SOT-25 (PST33XX, PST34XX)
Applications
(1) Microcomputer, CPU, MPU reset circuits (2) Logic circuit reset circuits (3) Battery
voltage check circuits (4) Back-up circuit switching circuits (5) Level detection circuits
Pin Assignment
5
4
1
2
3
1 2 3 4 5
OUT VDD VSS NC
4
3
1
2
1 2 3 4
OUT VDD NC VSS
SC-82AB
SOT-25
MITSUMI
CMOS System Reset PST3XXX
Equivalent Circuit Diagram
PST31XX
PST32XX
PST33XX
PST34XX
MITSUMI
CMOS System Reset PST3XXX
Absolute Maximum Ratings
Item Storage temperature Operating temperature Power supply
voltage Allowable loss
(Ta=25°C) Symbol TSTG TOPR VDDmax. Pd Rating -40~+125 -30~+85 +12 150 Unit °C °C V mW
Electrical Characteristics
(1) Detection
Voltage Table Ta=25°C SOT-25 SC-82
CMOS output N-ch open drain
CMOS output N-ch open drain 2.0V±2% PST3120 PST3220 PST3320 PST3420 2.1V±2% PST3121 PST3221 PST3321 PST3421 2...