PCF8563 datasheet(18/30 Pages) PHILIPS

18 / 30 page

Philips Semiconductors

PCF8563

Real-time clock/calendar

Product speciﬁcation

16 April 1999

18 of 30

9397 750 04855

[1]

For reliable oscillator start-up at power-up: VDD(min)power-up = VDD(min) + 0.3 V.

[2]

Timer source clock = 1

⁄60 Hz; SCL and SDA = VDD.

[3]

Tested on sample basis.

IOH(CLKOUT) HIGH-level output current;

pin CLKOUT

VOH = 4.6 V; VDD =5V

−−

ILO

output leakage current

VO =VDD or VSS

−1

−

µA

Voltage detector

Vlow

voltage-low detection level

Tamb =25 °C

−

0.9

1.0

Table 29: Static characteristics…continued

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

Tamb =25 °C; Timer = 1 minute.

Fig 14. IDD as a function of VDD; CLKOUT disabled.

Fig 15. IDD as a function of VDD; CLKOUT = 32 kHz.

VDD = 3 V; Timer = 1 minute.

Tamb =25 °C; normalized to VDD =3V.

Fig 16. IDD as a function of Tamb; CLKOUT = 32 kHz.

Fig 17. Frequency deviation as function of VDD.

handbook, halfpage

MGR888

VDD (V)

0.4

0.2

0.8

0.6

IDD

(

µA)

handbook, halfpage

MGR889

VDD (V)

0.4

0.2

0.8

0.6

IDD

(

µA)

handbook, halfpage

−40

120

MGR890

T (

°C)

0.4

0.2

0.8

0.6

IDD

(

µA)

handbook, halfpage

−4

−2

MGR891

VDD (V)

frequency

deviation

(ppm)

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