R3115Z 데이터 시트보기 (PDF) - RICOH Co.,Ltd.

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R3115Z

LOW VOLTAGE DETECTOR WITH OUTPUT DELAY

RICOH Co.,Ltd. 

R3115Z

TYPICAL APPLICATION

• R3115Zxx1A CPU Reset Circuit (Nch Open Drain Output)

Case 1.InputVoltage to R3115Zxx1A is equal to

Input Voltage to CPU

Case 2.Input Voltage to R3115Zxx1A is unequal to

Input Voltage to CPU

VDD

VDD

470kΩ R

VDD

CD R3115Zxx1A

Series OUT

CD

CPU

RESET

GND

GND

VDD

VDD

470kΩ R

VDD

CD R3115Zxx1A

Series OUT

CD

CPU

RESET

GND

GND

VDD2

• R3115Zxx1C CPU Reset Circuit CMOS Output

VDD

CD R3115Zxx1C

Series OUT

CD

GND

VDD

VDD

CPU

RESET

GND

• R3115Zxx1A Output Delay Time Circuit 1

(Nch Open Drain Output)

VDD

VDD

470kΩ R

VDD

CD R3115Zxx1A

Series OUT

CPU

RESET

CD

GND

GND

• R3115Zxx1A Output Delay Time Circuit 2

(Nch Open Drain Output)

R1 100kΩ

VDD

VDD

470kΩ R2 VDD

CD R3115Zxx1A

CPU

Series OUT

RESET

CD

GND

GND

• Memory Back-up Circuit

VDD

D1

VDD

VCC

D2

A

B

C

Y1

Y2

Y3

Y4

GND

CD R3115Zxx1C OUT

Series

CD

GND

VCC

VCC

VCC

VCC

RAM1 RAM2 RAM3 RAM4

GND CS GND CS GND CS GND CS

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