26

MB89990 Series

(2) Power-on Reset

°C to +85°C)

Note: Make sure that power supply rises within the selected oscillation stabilization time.

If power supply voltage needs to be varied in the course of operation, a smooth voltage rise is recommended.

Parameter

Symbol

Condition

Value

Unit

Remarks

Min.

Max.

Power supply rising time

—

—50

ms

Power supply cut-off time

1

—

ms

Due to repeated operations

0.2 V

0.2 V

2.0 V

0.2 V