RS5C372B-E1 查看數據表（PDF） - RICOH Co.,Ltd.

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RS5C372B-E1

I2C-bus Serial Interface Real Time Clock (8pin SSOP)

RICOH Co.,Ltd. 

RS5C372B

s DC Characteristics

Unless otherwise specified: VSS=0V, VDD=3V, Topt=-40 to +85°C, Oscillation Frequency=32.768kHz or 32.000KHz(R1=30kΩ)

Symbol

Item

Pin Name

Conditions

MIN. TYP. MAX. Unit

VIH “H” input Voltage SCL, SDA

0.8VDD

6.0

V

VIL “L” input voltage SCL, SDA

-0.3

0.2VDD V

IOH “H” output current 32KOUT

VOH=VDD-0.5V

-0.5 mA

IOL1 “L” output current /INTR, 32KOUT VOL1=0.4V

1

mA

IOL2

SDA

VOL2=0.6V

6

IILK Input leakage

SCL

VI=6V or VSS

-1

1

µA

current

VDD=6V

IOZ Output off state SDA, /INTR,

VO=6V or VSS

-1

1

µA

leakage current 32KOUT

VDD=6V

IDD1 Standby current VDD

VDD=3V, Topt=25°C

0.5 0.9 µA

SCL,SDA=3V

Output=OPEN *)

IDD2

VDD

VDD=3V,

1.0 µA

Topt=-40 to +85°C

SCL,SDA=3V

Output=OPEN *)

IDD3

VDD

VDD=6V

0.8 2.0 µA

SCL,SDA=6V

Output=OPEN *)

CG Internal oscillation OSCIN

10

pF

capacitance 1

CD Internal oscillation OSCOUT

10

pF

capacitance 2

*) The mode outputs no clock pulses and output is open (output off state).

For consumption current (output: no load) when 32kHz pulses are output from 32KOUT, see "Typical

Characteristics Measurement ".

-4-

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