PCF8563 查看數據表（PDF） - Philips Electronics

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PCF8563

Real-time clock/calendar

Philips Electronics 

Philips Semiconductors

PCF8563

Real-time clock/calendar

Table 29: Static characteristics…continued

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

specified.

Symbol Parameter

Conditions

Min

Typ

Max

Unit

IOH(CLKOUT) HIGH-level output current;

pin CLKOUT

VOH = 4.6 V; VDD = 5 V

1

−

−

mA

ILO

output leakage current

VO = VDD or VSS

−1

−

+1

µA

Voltage detector

Vlow

voltage-low detection level Tamb = 25 °C

−

0.9

1.0

V

[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.

handbook, h1alfpage

IDD

(µA)

0.8

MGR888

handbook, h1alfpage

IDD

(µA)

0.8

MGR889

0.6

0.6

0.4

0.4

0.2

0.2

0

0

2

4 VDD (V) 6

Tamb = 25 °C; Timer = 1 minute.

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

0

0

2

4 VDD (V) 6

Tamb = 25 °C; Timer = 1 minute.

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

handbook, h1alfpage

IDD

(µA)

0.8

MGR890

0.6

0.4

0.2

0

−40

0

40

80 T (°C) 120

VDD = 3 V; Timer = 1 minute.

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

handbook, halfpage

4

frequency

deviation

(ppm) 2

MGR891

0

−2

−4

0

2

4 VDD (V) 6

Tamb = 25 °C; normalized to VDD = 3 V.

Fig 17. Frequency deviation as function of VDD.

9397 750 04855

Product specification

16 April 1999

© Philips Electronics N.V. 1999. All rights reserved.

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