RN5VD
TYPICAL APPLICATIONS
• RN5VD××A CPU Reset Circuit (Nch Open Drain Output)
(1) Input Voltage to RN5VD××A is
(2) Input Voltage to RN5VD××A is
the same as the input voltage to CPU.
different from the input voltage to CPU.
VDD1
VDD
VDD2
VDD
VDD
VDD
VDD
R
R
CD
CD
CPU
CPU
RN5VD××
SERIES
A
RN5VD××
SERIES
A
RESET
GND
RESET
OUT
OUT
GND
CD
CD
GND
GND
• RN5VD××C CPU Reset Circuit (CMOS Output)
VDD
VDD
VDD
CD
CPU
RN5VD××
SERIES
C
RESET
GND
OUT
CD
GND
•
Memory Back-up Circuit
VDD
VCC
Y1
Y2
Y3
Y4
D1
VCC
VCC
VCC
VCC
D2
A
B
RAM1
RAM2
RAM3
RAM4
G
GND CS
GND CS
GND CS
GND CS
GND
VDD
RN5VD××
OUT
CD
C
SERIES
CD
GND
26
RICOH [ RICOH ELECTRONICS DEVICES DIVISION ]
