PCF8563 datasheet(17/30 Pages) PHILIPS

17 / 30 page

Philips Semiconductors

PCF8563

Real-time clock/calendar

Product speciﬁcation

16 April 1999

17 of 30

9397 750 04855

10. Static characteristics

Table 29: Static characteristics

VDD = 1.8 to 5.5 V; VSS =0V; Tamb = −40 to 85 °C; fOSC = 32.768 kHz; quartz Rs =40kΩ; CL = 8 pF; unless otherwise

speciﬁed.

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Supplies

VDD

supply voltage

I2C-bus inactive; Tamb =25 °C

1.0 [1]

−

5.5

I2C-bus active; fSCL = 400 kHz

1.8 [1]

−

5.5

supply voltage for reliable

clock/calendar information

Tamb =25 °CVlow

−

5.5

IDD1

supply current;

CLKOUT disabled (FE = 0)

fSCL = 400 kHz

[2]

−−

800

µA

fSCL = 100 kHz

−−

200

µA

fSCL = 0 Hz; Tamb =25 °C

[2]

VDD =5V

−

275

550

VDD =3V

−

250

500

VDD =2V

−

225

450

fSCL =0Hz

[2]

VDD =5V

−

500

750

VDD =3V

−

400

650

VDD =2V

−

400

600

IDD2

supply current;

CLKOUT enabled

(fCLKOUT = 32 kHz; FE = 1)

fSCL = 0 Hz; Tamb =25 °C

[2]

VDD =5V

−

825

1600

VDD =3V

−

550

1000

VDD =2V

−

425

800

fSCL =0Hz

[2]

VDD =5V

−

950

1700

VDD =3V

−

650

1100

VDD =2V

−

500

900

Inputs

VIL

LOW-level input voltage

VSS

−

0.3VDD

VIH

HIGH-level input voltage

0.7VDD

−

VDD

ILI

input leakage current

VI =VDD or VSS

−1

−

µA

input capacitance

[3]

−−

7pF

Outputs

IOL(SDA)

LOW-level output current;

pin SDA

VOL = 0.4 V; VDD =5V

−3

−−

IOL(INT)

LOW-level output current;

pin INT

−1

−−

IOL(CLKOUT) LOW-level output current;

pin CLKOUT

−1

−−

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