Datasheet

Philips Semiconductors
PCF8563
Real time clock/calendar
Product data Rev. 04 — 12 March 2004 20 of 30
9397 750 12999
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
13. Application information
V
DD
= 3 V; Timer = 1 minute. T
amb
=25°C; normalized to V
DD
=3V.
Fig 19. I
DD
as a function of T; CLKOUT = 32 kHz. Fig 20. Frequency deviation as a function of V
DD
.
handbook, halfpage
−40 0 40 120
MGR890
80
T (°C)
1
0
0.4
0.2
0.8
0.6
I
DD
(µA)
handbook, halfpage
02 6
4
2
−4
−2
0
MGR891
4
V
DD
(V)
frequency
deviation
(ppm)
Fig 21. Application diagram.
handbook, full pagewidth
MGM665
SCL
SDA
V
SS
OSCI
OSCO
CLOCK CALENDAR
PCF8563
SDA
SCL
MASTER
TRANSMITTER/
RECEIVER
V
DD
V
DD
SDA SCL
RR
V
DD
(I
2
C-bus)
R: pull-up resistor
R =
1 F
t
r
C
b