MSM6242B 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM6242B

DIRECT BUS CONNECTED CMOS REAL TIME CLOCK/CALENDAR

Oki Electric Industry 

¡ Semiconductor

ABSOLUTE MAXIMUM RATINGS

Parameter

Power Supply Voltage

Input Voltage

Output Voltage

Storage Temperature

Symbol

VDD

VI

VO

TSTG

Condition

Ta = 25°C

MSM6242B

Rating

Unit

-0. 3 to 7

V

-0.3 to VDD +0.3

V

-0.3 to VDD +0.3

V

-55 to +150

°C

OPERATING CONDITIONS

Parameter

Symbol

Condition

Rating

Unit

Power Supply Voltage

Standby Supply Voltage

VDD

—

VBAK

—

4 to 6

V

2 to 6

Crystal Frequency

f(XT)

—

32.768

kHz

Operating Temperature

TOP

—

-40 to +85

°C

D.C. Characteristics

Parameter Symbol

"H" Input Voltage VIH1

"L" Input Voltage

VIL1

Condition

—

—

Min.

2.2

—

Typ.

—

—

Input Leak Current ILK1

—

—

VI = VDD/0V

Input Leak Current ILK2

—

—

"L" Output Voltage VOL1 IOL = 2.5mA

—

—

"H" Output Voltage VOH

IOH = -400µA

2.4

—

"L" Output Voltage VOL2 IOL = 2.5mA

—

—

OFF Leak Current IOFFLK V = VDD/0V

—

—

Input Capacitance CI

Input frequency

1MHz

—

5

Current Con-

sumption

IDD1

f(xt) =

32.768

VDD =

5V

—

—

KHz

Current Con-

sumption

IDD2

CS1 ~~ 0

VDD =

2V

—

—

"H" Input Voltage VIH2

VDD = 2 ~ 5.5V

4/5VDD

—

"L" Input Voltage VIL2

—

—

(VDD = 5V ± 10%, TA = -40 ~ +85)

Applicable

Max. Unit

Terminal

—

V All input termin-

0.8

als except CS1, XT

Input terminals

1/-1

other than

µA

D0 ~ D3, XT

10/-10

0.4

V

—

0.4

V

10

µA

—

PF

30

µA

10

D0 ~ D3

D0 ~ D3

STD.P

All input

terminals

VDD

—

V

1/5VDD

CS1

27

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