RX5VT Datasheet, PDF (26/31 Pages) RICOH electronics devices division – LOW VOLTAGE DETECTOR

R×5VT
TYPICAL APPLICATIONS
• R×5VT××A CPU Reset Circuit (Nch Open Drain Output)
(1)Input Voltage to R×5VT××A is the same as
(2) Input Voltage to R×5VT××A is different
the input voltage to CPU.
from the input voltage to CPU.
VDD
VDD _{470kΩ R}
VDD
R×5VT××A
SERIES
GND
OUT
CPU
RESET
GND
VDD1
VDD _{470kΩ R}
VDD
R×5VT××A
SERIES _OUT
GND
CPU
RESET
GND
VDD2
• R×5VT××C CPU Reset Circuit (CMOS Output)
VDD
VDD
VDD
R×5VT××C
SERIES _OUT
GND
CPU
RESET
GND
• R×5VT××A Output delay Time Circuit 1
VDD
VDD
470kΩ R
VDD
R×5VT××A ^OUT
SERIES
GND
CPU
RESET
GND
• R×5VT××A Output delay Time Circuit 2
VDD
100kΩ _R1
470kΩ _R2
VDD
R×5VT××A
VDD SERIES _OUT
CPU
RESET
GND
GND
• Memory Back-up Circuit
VDD
D1
VCC
D2 _A Y1
Y2
B _Y3
G _Y4
VDD
GND
R×5VT××C ^OUT
SERIES
GND
VCC
VCC
VCC
VCC
RAM1 RAM2 RAM3 RAM4
GND CS GND CS GND CS GND CS
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