RV5C348A_95 Просмотр технического описания (PDF) - RICOH Co.,Ltd.

Номер в каталоге

Компоненты Описание

Список матч

RV5C348A_95

4-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICS WITH VOLTAGE MONITORING FUNCTION

RICOH Co.,Ltd. 

R×5C348A/B

DC ELECTRICAL CHARACTERISTICS

Unless otherwise specified : Vss=0V,VDD=3V,Topt=–40 to +85˚C

Symbol

Item

Pin name

Conditions

MIN. TYP. MAX. Unit

VIH

“H” Input Voltage

VIL

“L” Input Voltage

SCLK,CE, SI

VDD=2.5 to 5.5V

0.8VDD

–0.3

5.5

V

0.2VDD

IOH

“H” Output Current SO

VOH=VDD–0.5V

–0.5

IOL1

INTR, 32KOUT(R×5C348A)

2

mA

“L” Output Current

VOL=0.4V

IOL2

SO,32KOUT(R×5C348B)

0.5

IIL

Input Leakage Current SCLK, SI

VI=5.5V or Vss

–1

VDD=5.5V

1

µA

RDNCE Pull-down Resistance CE

40

120 400

kΩ

IOZ1

Output Off-state

SO

Leakage Current

Vo=5.5V or Vss

–1

VDD=5.5V

IOZ2

32KOUT, INTR

VO=5.5V

–1

1

µA

1

IDD

(R×5C348A)

Standby Current

IDD

(R×5C348B)

VDD

VDD

VDD=3V,CE=OPEN

Output=OPEN

32KOUT=Off mode*1

VDD=3V,CE=OPEN

Output=OPEN

32KOUT=On mode

0.35 0.8

µA

0.55 1.0

VDETH

Supply Voltage Monitoring

VDD

Voltage (“H”)

Topt=–30 to +70˚C

1.90 2.10 2.30

V

VDETL

Supply Voltage Monitoring

VDD

Voltage (“L”)

Topt=–30 to +70˚C

1.45 1.60 1.80

V

CG

Internal Oscillation Capacitance 1 OSCIN

CD

Internal Oscillation Capacitance 2 OSCOUT

12

pF

12

*1) For standby current for outputting 32.768-kHz clock pulses from the 32KOUT pin, see “USAGES, 7. Typical Characteristics”.

5

Share Link: