Datasheet

PCF8563 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 10 — 3 April 2012 32 of 50
NXP Semiconductors
PCF8563
Real-time clock/calendar
[1] For reliable oscillator start-up at power-up: V
DD(min)power-up
=V
DD(min)
+0.3V.
[2] Timer source clock =
1
⁄
60
Hz, level of pins SCL and SDA is V
DD
or V
SS
.
[3] Tested on sample basis.
Outputs
I
OL
LOW-level
output current
output sink current;
V
OL
=0.4V; V
DD
=5V
on pin SDA 3 - - mA
on pin INT
1- - mA
on pin CLKOUT 1 - - mA
I
LO
output leakage
current
V
O
=V
DD
or V
SS
10 +1A
Voltage detector
V
low
low voltage T
amb
=25C; sets bit VL; see Figure 7 -0.91.0V
Table 29. 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  ; C
L
= 8 pF; unless otherwise
specified.
Symbol Parameter Conditions Min Typ Max Unit
T
amb
=25C; Timer = 1 minute. T
amb
=25C; Timer = 1 minute.
Fig 24. Supply current I
DD
as a function of supply
voltage V
DD
; CLKOUT disabled
Fig 25. Supply current I
DD
as a function of supply
voltage V
DD
; CLKOUT = 32 kHz
02 6
mgr888
4
V
DD
(V)
1
0
0.4
0.2
0.8
0.6
I
DD
(μA)
02 6
mgr889
4
V
DD
(V)
1
0
0.4
0.2
0.8
0.6
I
DD
(μA)