RS5C62 Просмотр технического описания (PDF) - RICOH Co.,Ltd.

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RS5C62

REAL-TIME CLOCK

RICOH Co.,Ltd. 

RP/RF/RS5C62

DC ELECTRICAL CHARACTERISTICS

Unless Noted, VSS=0V, VDD=5V±10%, Topt=–20 to +70˚C, X'tal=32.768kHz, (R1²35k½), CG=10pF, CD=10pF

Symbol

Item

Pin Name

Conditions

Limits

Unit

MIN.

TYP.

MAX.

VIH1 “H” input voltage

A0 to A3, D0 to D3

2.2

VDD+0.3

V

VIL1 “L” input voltage

CS, RD, WR

–0.3

0.8

V

VIH2 “H” input voltage

CE

VIL2 “L” input voltage

0.8 ´VDD

–0.3

VDD+0.3

V

0.2´VDD

V

VOH1

VOL1

“H” output voltage

“L” output voltage

D0 to D3

IOH1=–400µA

2.4

IOL1=2mA

V

0.4

V

VOL2 “L” output voltage INTR, TMOUT

IOL2=2mA

0.4

V

A0 to A3, CE,

IILK Input leak current

VILK=VDD or VSS

–1

CS, RD, WR

1

µA

IOZ1

D0 to D3

VOZ1=VDD or VSS

–5

Output off leak

IOZ2

INTR, TMOUT

VOZ2=VDD

–2

current

IOZ3

INTR, TMOUT

VOZ3=10V

–5

5

µA

2

µA

5

µA

Consumption

IDD1

VDD

current for back-up

VDD=2.5V, CE=L

Others : OPEN

3

µA

Consumption

IDD2

VDD

current for stand-by

VDD=5.5V, CE=H, CS=H,

Output : OPEN

Input : VDD or VSS

8

µA

Oscillation frequency OSCIN

¶f

drift for voltage drift OSCOUT

VDD=2.5 to 5.5V

–1

Topt=25˚C

1

ppm

4

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