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
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.
Features
1. Operating supply voltage
2. Supply current
1.0-5.5V
1µA typ.
3. Reset threshold range
4. Reset threshold accuracy
5. Reset hysteresis
1.6-4.6V
1.5ꢀ
50mV typ.
6. Reset active timeout period
7. Output type
20/50/100/200ms
PST87 : CMOS output
PST88 : Open drain output
PST87/88XA : NO
PST87/88XR : YES
8. Manual RESET
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
• 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.