RF5C62 查看數據表（PDF） - RICOH Co.,Ltd.

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RF5C62

REAL-TIME CLOCK

RICOH Co.,Ltd. 

RP/RF/RS5C62

ABSOLUTE MAXIMUM RATINGS

Symbol

VDD

VI

VO

PD

Topt

Tstg

Item

Supply Voltage

Input Voltage

Output Voltage 1

Output Voltage 2

Maximum Power Dissipation

Operating Temperature

Storage Temperature

Conditions

INTR, TMOUT

Except INTR, TMOUT

TA=25˚C

Ratings

–0.3 to +7.0

–0.3 to +VDD+0.3

–0.3 to +12.0

–0.3 to +VDD+0.3

300

–20 to +70

–40 to +125

VSS=0V

Unit

V

V

V

V

mW

˚C

˚C

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum ratings are threshold limit values that must not be exceeded even for an instant under

any conditions. Moreover, such values for any two items must not be reached simultaneously. Operation

above these absolute maximum ratings may cause degradation or permanent damage to the device. These

are stress ratings only and do not necessarily imply functional operation below these limits.

RECOMMENDED OPERATING CONDITION

Symbol

Item

VDD

VCLK

fXT

VPUP

Supply Voltage

Time Keeping Supply voltage

Crystal Oscillation Frequency

Pull-up Voltage for INTR, TMOUT pin

Conditions

INTR, TMOUT

MIN.

2.7

2.0

VSS=0V, Topt=–20 to +70˚C

Limits

Unit

TYP. MAX.

5.0

6.0

V

6.0

V

32.768

kHz

10

V

3

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