RN5VS SERIES
APPLICATION MANUAL
CONTENTS
OUTLINE
......................................................................................................
1
FEATURES
....................................................................................................
1
APPLICATIONS
.............................................................................................
1
BLOCK DIAGRAMS
.......................................................................................
2
TIME CHART
.................................................................................................
2
DEFINITION OF OUTPUT DELAY TIME tplh
....................................................
2
SELECTION GUIDE
.......................................................................................
4
PIN CONFIGURATION
...................................................................................
5
PIN DESCRIPTION
........................................................................................
5
ABSOLUTE MAXIMUM RATINGS
...................................................................
6
ELECTRICAL CHARACTERISTICS
.................................................................
7
ELECTRICAL CHARACTERITICS BY DETECTOR THRESHOLD
....................
10
OPERATION
................................................................................................
14
TEST CIRCUITS
...........................................................................................
15
TYPICAL CHARACTERISTICS
......................................................................
16
1) Supply Current vs. Input Voltage
...........................................................................
16
2) Detector Threshold vs. Temperature
.......................................................................
16
3) Output Voltage vs. Input Voltage
...........................................................................
17
4) Nch Driver Output Current vs. V
DS
.........................................................................
18
5) Nch Driver Output Current vs. Input Voltage
................................................................
19
6) Pch Driver Output Current vs. Input Voltage
................................................................
20
7) Output Delay Time vs. Load Capacitance
..................................................................
20
8) Output Delay Time vs. Input Pin Capacitance
..............................................................
21
TYPICAL APPLICATIONS
............................................................................
22
• RN5VS
××
A CPU Reset Circuit(Nch Open Drain Output)
....................................................
22
• RN5VS
××
C CPU Reset Circuit(CMOS Output)
.............................................................
22
• RN5VS
××
A Output delay Time Circuit 1
.....................................................................
22
• RN5VS
××
A Output delay Time Circuit 2
.....................................................................
22
• Memory Back-up Circuit
.....................................................................................
22
• Voltage Level Indicator Circuit (lighted when the power runs out)
............................................
23
• Detector Threshold Changing Circuit
........................................................................
23
• Window Comparator Circuit
.................................................................................
23
• Excessive Charge Preventing Circuit
........................................................................
23
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
