MITSUMI
IC for CMOS System Reset PST31XX~34XX
IC for CMOS System Reset
Monolithic IC PST31XX~34XX Series
Outline
March 12, 2004
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 V
DD
= Vs + 1V)
±2%
5% typ.
0.95 ~ 10V
-30 ~ +85°C
2 ~ 6V (0.1V step)
Package
SOT-25A (PST31XX, PST32XX)
SC-82ABA, SC-82ABB (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
V
OUT
V
DD
V
SS
NC
4
3
1
2
1
2
3
4
V
OUT
V
DD
NC
V
SS
SOT-25A
(TOP VIEW)
SC-82ABA
SC-82ABB
(TOP VIEW)
MITSUMI [ MITSUMI ELECTRONICS, CORP. ]
