PCF8563 查看數據表（PDF） - Tiger Electronic

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PCF8563

Real-time Clock/Calendar

Tiger Electronic 

PCF8563

STATIC ELECTRICAL CHARACTERISTICS

（ Unless otherwise specified， V DD = 1.8 to 5.0 V; Vss = 0 V; Tamb =- 40 to 85° C;

f OSC = 32.768 kHz; quartz Rs = 40 kΩ; C L = 8 pF; ）

Characteristics

Supplies

Supply voltage

Supply voltage fo

Reliable clock/calendar

information

Supply current

CLKOUT disabled

(FE=0)

Supply current

CLKOUT enabled

(f CLKOUT =32kHz;FE=1)

Inputs

Low-level input voltage

High-level

voltage

input

Input leakage current

Input capacitance

Outputs

Low-level

output

current;pin SDA

Symbol

V DD

I DD1

I DD2

V IL

V IH

I LI

Ci

I OL(SDA)

Test conditions Min Typ.

I2 C-bus inactive

Ta=25° C

I2 C-bus active

f SCL =400kHz

1.0*1

1.8*1

Ta=25° C

V LOW

f SCL =400kHz *2

f SCL =400kHz

f SCL =0Hz;

Ta=25° C *2

V DD =5V

275

V DD =3V

250

V DD =2V

225

f SCL =0Hz

*2

V DD =5V

500

V DD =3V

400

V DD =2V

400

f SCL =0Hz;

Ta=25° C *2

V DD =5V

825

V DD =3V

550

V DD =2V

425

f SCL =0Hz

*2

V DD =5V

950

V DD =3V

650

V DD =2V

500

V I =V DD or V SS

*3

V SS

0.7V D

D

-1

V OL =0.4V;

-3

V DD =5V

Max

5.0

5.0

5.0

800

200

550

500

450

750

650

600

1600

1000

800

1700

1100

900

0.3V D

D

V DD

+1

7

Unit

V

V

V

µA

µA

nA

nA

nA

nA

nA

nA

nA

nA

nA

nA

nA

nA

V

V

µA

pF

mA

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