R5101G Ver la hoja de datos (PDF) - RICOH Co.,Ltd.

Número de pieza

componentes Descripción

Fabricante

R5101G

Microprocessor power management with Watchdog Timer

RICOH Co.,Ltd. 

n PIN DESCRIPTION

Pin No. Symbol

Description

1

SCK Clock Input Pin from Microprocessor

2

CD External Capacitor Pin for Setting Delay Time of Voltage Detector

3

CTW External Capacitor Pin for Setting Monitoring Time and Reset Time of Watchdog timer

4

VDD Power supply Pin

5

VOUT Output Pin for Voltage Regulator

6

GND Ground Pin

7

CE Control Switch Pin for Watchdog timer ( "H" active, "L" inactive)

8 RESET Output Pin for Reset signal of Watchdog timer and Voltage Detector.(Output Type is Nch

Open Drain, Output "L" at detecting Detector Threshold and Watchdog Timer Reset. )

n ABSOLUTE MAXIMUM RATINGS

Symbol

VDD

VCD

VCTW

VOUT

VRESET

VCE

VSCK

IOUT

IRESET

PD

Topt

Tstg

Item

Supply Voltage

Voltage of CD Pin

Output Voltage Voltage of CTW Pin

Voltage of VOUT Pin

Voltage of RESET Pin

Input Voltage Voltage of CE Pin

Voltage of SCK Pin

Output Current Current of VOUT Pin

Current of RESET Pin

Power Dissipation

Operating Temperature Range

Storage Temperature Range

Topt=25°C, Vss=0V

Rating

Unit

-0.3~12

V

Vss-0.3~VDD+0.3

V

Vss-0.3~VDD+0.3

V

Vss-0.3~VDD+0.3

V

Vss-0.3~12

V

Vss-0.3~VDD+0.3

V

Vss-0.3~VDD+0.3

V

150

mA

10

mA

300

mW

-40~+85

°C

-55~+125

°C

Rev. 1.10

12345

-3-

Share Link: