RTC-8564JE datasheet(1/2 Pages) ETC

部件名	RTC-8564JE

功能描述	I2C-BUS INTERFACE REAL TIME CLOCK MODULE

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制造商	ETC [List of Unclassifed Manufacturers]

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69

Real time clock module

The I C-Bus is a trademark of Philips Electronics N.V.

2

Absolute Max. rating

Specifications (characteristics)

Operating range

Frequency characteristics

DC characteristics

Terminal connection

External dimensions

(Unit: mm)

R8564

8476A

E

7.0

±0.3

2019 18 17 16 15 14 13 12 11

12 3 4 5 6 7 8 9 10

No.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

Pin terminal

N.C

CLKOE

VDD

CLKOUT

SCL

SDA

(GND)

GND

INT

N.C

0.65

0.22

(0.75)

6.0

±0.2

I C-BUS INTERFACE REAL TIME CLOCK MODULE

RTC-8564JE

• Built-in crystal unit allows adjustment-free efficient operation.

• Compliant with I

2C high-speed bus specifications. (400 kHz)

• Equipped with alarm, timer, and frequency output (32.768 kHz,

1024 Hz,32 Hz,1 Hz) features.

• Inclusion of century bit to enable correct date even after year 2000

• Operating in wide voltage range from 1.8 to 5.5 V, and in wide

range of clock voltage from 1.2 to 5.5 V.

• Low power consumption at 275 nA/3.0 V. (Typ.)

Item

Supply voltage

Input voltage

Output voltage

DC Input current

DC Output current

Storage temperature Range

Symbol

VDD

IDD

Vi

Vo

Ii

Io

TSTG

Condition

Between VDD and GND

VDD pin

Input pin

INT pins

—

As single part

Min.

-0.5

-50

GND-0.5

-10

-55

Max.

+6.5

50

VDD+0.5

10

+125

Unit

V

mA

V

mA

˚C

Item

Supply voltage range

Clock voltage range

Operating temperature range

Symbol

VDD

TOPR

Condition

I2C-BUS access at

400 kHz

—

Min.

1.8

VLOW

-40

Max.

5.5

+85

Unit

V

˚C

Item

Frequency precision

Frequency temperature

characteristics

Frequency voltage

characteristics

Oscillation start-up time

Aging

Symbol

∆f/fo

T

Top

op

fv

tSTA

fa

Condition

Ta=+25 ˚C, VDD=3.0 V

Ta=+25˚C,

-10 to +70 ˚C,VDD=3.0 V

Ta=+25 ˚C,

VDD=1.2 V to 5.5 V

Ta=+25 ˚C, VDD=1.8 V

Ta=+25 ˚C, VDD=3.0 V

Max.

+10

-120

±2

3

±5

Unit

× 10-6

× 10-6/V

s

× 10-6/year

Item

Power current

(during access)

Power current

(not during access)

“L” input voltage

“H” input voltage

“L” output voltage

“L” output current

“H” output current

Leakage current

Low voltage detection

—

SDA

INT

CLKOUT

—

Symbol

IDD0

IDD

IDD32k

VIL

VIH

IOL(SDA)

IOL(INT)

IOL(CLKOUT)

IOH(CLKOUT)

ILO

VLOW

Condition

fSCL=400 kHz

fSCL=100 kHz

fSCL=0 Hz, VDD=5.0 V

fSCL=0 Hz, VDD=3.0 V

fSCL=0 Hz, VDD=2.0 V

fSCL=0 Hz, VDD=5.0 V

fSCL=0 Hz, VDD=3.0 V

fSCL=0 Hz, VDD=2.0 V

—

VOL=0.4 V, VDD=5 V

VO=VDD or GND

Ta=-40 °C to +85 °C

Ta=-20 °C to +70 °C

Min.

—

GND -0.5

0.7xVDD

-3

-1

—

-1

—

Typ.

—

0.33

0.275

0.25

2.5

1.5

1.1

—

0.9

Max.

800

200

0.80

0.70

0.65

3.4

2.2

1.6

0.3xVDD

VDD+0.5

—

1

1.1

1.0

Unit

µA

V

mA

µA

V

2

Actual size

(VDD=1.8 to 5.5 V, Ta=-40 to +85˚C)

5±23

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