Data Sheet

PCF8563_5 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 05 — 17 July 2007 17 of 32
NXP Semiconductors
PCF8563
Real time clock/calendar
[1] For reliable oscillator start-up at power-up: V
DD(min)power-up
=V
DD(min)
+ 0.3 V.
[2] Timer source clock =
1
⁄
60
Hz, level of pins SCL and SDA is V
DD
or V
SS
.
[3] Tested on sample basis.
[4] See Figure 7.
I
DD3
supply current 3 interface inactive (f
SCL
= 0 Hz);
CLKOUT enabled at 32 kHz;
T
amb
=25°C; see Figure 18
[2]
V
DD
= 5.0 V - 825 1600 nA
V
DD
= 3.0 V - 550 1000 nA
V
DD
= 2.0 V - 425 800 nA
interface inactive (f
SCL
= 0 Hz);
CLKOUT enabled at 32 kHz;
T
amb
= −40 °C to +85 °C;
see
Figure 18
[2]
V
DD
= 5.0 V - 950 1700 nA
V
DD
= 3.0 V - 650 1100 nA
V
DD
= 2.0 V - 500 900 nA
Inputs
V
IL
LOW-level input voltage V
SS
- 0.3V
DD
V
V
IH
HIGH-level input voltage 0.7V
DD
-V
DD
V
I
LI
input leakage current V
I
=V
DD
or V
SS
−10 +1µA
C
i
input capacitance
[3]
--7pF
Outputs
I
OL(SDA)
SDA LOW-level output
current
V
OL
= 0.4 V; V
DD
=5V −3- - mA
I
OL(INT)
INT LOW-level output
current
V
OL
= 0.4 V; V
DD
=5V −1- - mA
I
OL(CLKOUT)
CLKOUT LOW-level
output current
V
OL
= 0.4 V; V
DD
=5V −1- - mA
I
OH(CLKOUT)
CLKOUT HIGH-level
output current
V
OH
= 4.6 V; V
DD
=5V 1 - - mA
I
LO
output leakage current V
O
=V
DD
or V
SS
−10 +1µA
Voltage detector
V
low
low voltage detection T
amb
=25°C; VL set voltage
[4]
- 0.9 1.0 V
Table 27. Static characteristics
…continued
V
DD
= 1.8 V to 5.5 V; V
SS
=0V; T
amb
= − 40 ° C to +85 ° C; f
osc
= 32.768 kHz; quartz R
s
=40k Ω ; C
L
= 8 pF; unless otherwise
specified.
Symbol Parameter Conditions Min Typ Max Unit