R3130N×××A/C, R3131N×××A/C

3

TIMING CHART

Tdelay

Supply

Voltage

Output Voltage

Detector

Threshold

Minimum Operating

Voltage

Tdelay

Supply

Voltage

Output Voltage

Detector

Threshold

Minimum Operating

Voltage

R3130N Operation Diagram

R3131N Operation Diagram

• Output Delay Operation

Output Delay Time, or Tdelay is specified as follows:

1. In the case of Nch Open Drain Output:

2.5V under the condition that the output pin (OUT) is pulled up to 5V through a 470kΩ resistor.

2. In the case of CMOS Output

Input Voltage

Output Voltage

1.0V

5.0V

2.5V

GND

GND

Trst

Tdelay

Input Voltage

Output Voltage

1.0V

GND

GND

Trst

Tdelay

Nch Open Drain Output

CMOS Output