This IC is a system reset IC builtin delay time circuit.
PST87/88 is not required with an external capacitor, and then can use a small package.
Therefore a space of PC board can be small.

1. Operating supply voltage	1.0-5.5V
2. Supply current	1µA typ.
3. Reset threshold range	1.6-4.6V
4. Reset threshold accuracy	±1.5%
5. Reset hysteresis	50mV typ.
6. Reset active timeout period	20/50/100/200ms
7. Output type	PST87 : CMOS PST88 : Open drain

SSON-4

SOT-25A

SC-82ABB

1. Reset circuits for microcomputers, CPUs and MPUs
2. Reset circuits for logic circuits
3. Battery voltage check circuits
4. Back-up power supply switching circuits
5. Level detection circuits
6. Mechanical reset circuits