R3130N RICOH [RICOH electronics devices division], R3130N Datasheet - Page 3

• Manufacturer Part Number: R3130N
• Description: Low Voltage Detector with Built-in Delay Circuit
• Manufacturer: RICOH [RICOH electronics devices division]

•
TIMING CHART
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
V
DD
Output Delay Operation
Output Delay Time, or Tdelay is specified as follows:
The time interval from rising edge of V
The time interval from rising edge of V
/2.
Supply
Voltage
(V
Output Voltage
Output Voltage
Input Voltage
DD
(V
)
DD
)
R3130N Operation Diagram
Minimum Operating
Voltage
Nch Open Drain Output
V
DET
Detector
Threshold
+1.0V
GND
GND
1.0V
5.0V
2.5V
V
V
V
SS
DET
SS
Trst
Tdelay
DD
DD
Tdelay
pulse (1.0V→(V
pulse (1.0V→(V
DET
DET
Supply
Voltage
(V
Output Voltage
Output Voltage
DD
Input Voltage
)+1.0V) to the time at which the output reaches
)+1.0V) to the time at which the output reaches
(V
)
DD
)
(V
R3131N Operation Diagram
Minimum Operating
Voltage
DET
V
V
DET
DET
+1.0V)/2
Detector
Threshold
+1.0V
+1.0V
GND
GND
CMOS Output
1.0V
V
V
V
SS
DET
SS
Trst
R3130N/R3131N
Tdelay
Tdelay
3