
R3114x
19
TYPICAL APPLICATION
• R3114xxx1A CPU Reset Circuit 1 (Nch Open Drain Output)
Case1. Input Voltage to R3114xxx1A is equal to
Input Voltage to CPU
Case2. Input Voltage to R3114xxx1A is unequal to
Input Voltage to CPU
R3114xxx1A
Series
V
DD
GND
OUT
R
V
DD
RESET
CPU
GND
V
DD
470
Ω
R3114xxx1A
Series
V
DD
GND
OUT
R
V
DD
RESET
CPU
GND
V
DD2
V
DD1
470
Ω
• R3114xxx1C CPU Reset Circuit (CMOS Output)
R3114xxx1C
V
DD
GND
OUT
V
DD
RESET
CPU
GND
V
DD
Series
R3114xxx1A Output Delay Time Circuit 1
(Nch Open Drain Output)
R3114xxx1A Output Delay Time Circuit 2
(Nch Open Drain Output)
R3114xxx1A
Series
V
DD
GND
OUT
R
V
DD
RESET
CPU
GND
V
DD2
470
Ω
V
DD1
R3114xxx1A
Series
V
DD
GND
OUT
R2
V
DD
RESET
CPU
GND
V
DD
470
Ω
R1
• Memory Back-up Circuit
R3114xxx1C
Series
GND
V
DD
D1
D2
V
DD
GND
OUT
B
C
Y1
Y2
Y3
Y4
V
CC
V
CC
RAM1
GND CS
V
CC
RAM2
GND CS
V
CC
RAM3
GND CS
V
CC
RAM4
GND CS
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