• Any products mentioned in this catalog are subject to any modification in their appearance and others for improvements without prior notification.

• The details listed here are not a guarantee of the individual products at the time of ordering. When using the products, you will be asked to check their specifications.

MITSUMI

CMOS System Reset IC built-in delay time circuit PST87XX, 88XX Series

CMOS System Reset IC built-in delay time circuit

Monolithic IC PST87XX, 88XX Series

Outline

Features

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 output

PST88 : Open drain output

8. Manual RESET

PST87/88XA : NO

PST87/88XR : YES

Packages

SSON-4B

SOT-25A

SC-82

Applications

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

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.