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RP5C01A

REAL-TIME CLOCK WITH INTERNAL RAM

RICOH Co.,Ltd. 

RP/RF5C01A

ABSOLUTE MAXIMUM RATINGS

Symbol

VCC

VI

VO

Pd

Topr

Tstg

Item

Supply Voltage

Input Voltage

Output Voltage

Maximum Power Dissipation

Operating Temperature

Storage Temperature

Conditions

Referenced at GND pin

Ta=25˚C

Ratings

–0.3 to 7.0

–0.3 to VCC+0.3

–0.3 to VCC+0.3

700

0 to 70

–40 to 125

Unit

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 CONDITIONS

Symbol

VCC

VDH

fXT

Item

Supply Voltage

Data Preservation Voltage

Crystal Oscillation Frequency

Conditions

(Unless otherwise specified, Ta=0 to 70˚C)

MIN. TYP. MAX. Unit

4.75

5

5.25

V

2.2

5.25

V

32.768

kHz

DC ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, Ta=0 to 70˚C, Vcc=5V±10%)

Symbol

VIH

VIL

VOH

VOL

II

IOZ

ICC1

ICC2

Item

“H” Input Voltage (excluding OSCIN)

“H” Input Voltage (OSCIN)

“L” Input Voltage (excluding OSCIN)

“L” Input Voltage (OSCIN)

“H” Output Voltage

“L” Output Voltage

Input Voltage

Output Off-state Leakage Current

Supply Current for backup

Operating Supply Current

Conditions

IOH=–400µA

IOL=2mA

VI=0 to 5.25V

fXT=32.768kHz, Vcc=2.2V

fXT=32.768kHz, Vcc=5.0V*2

MIN.

2.0

4.0

–0.3

–0.3

2.4

TYP. MAX. Unit

Vcc

V

Vcc

V

0.8

V

0.5

V

V

0.4

V

±10

µA

±10

µA

15

µA

250

µA

*1) Plus (without sign) direction of current is assumed to be the direction flowing into IC.

*2) When connected to CPU (Read/Write cycle 10µs)

3

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