PCF8523 NXP [NXP Semiconductors], PCF8523 Datasheet - Page 49

• Manufacturer Part Number: PCF8523
• Description: Real-Time Clock (RTC) and calendar
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
Table 46.
V
specified.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
PCF8523
Product data sheet
Symbol Parameter
Outputs
V
V
I
I
C
R
OL
LO
DD
O
OL
L(itg)
S
= 1.2 V to 5.5 V; V
For reliable oscillator start at power-up: V
For reliable oscillator start at power-up: V
Timer source clock =
In case of an ESD event, the value may increase slightly.
Implicit by design.
Tested on sample basis.
Integrated load capacitance, C
Tested at 25 C.
Crystal characteristic specification.
output voltage
LOW-level output
voltage
LOW-level output
current
output leakage current
integrated load
capacitance
series resistance
Static characteristics
SS
1

3600
= 0 V; T
Hz, level of pins SCL and SDA is V
L(itg)
amb
, is a calculation of C
…continued
Conditions
on pins INT1/CLKOUT, CLKOUT, INT2,
SDA (refers to external pull-up voltage)
output sink current;
on pins INT1/CLKOUT, CLKOUT, INT2;
V
on pin SDA
V
V
on pins OSCO, OSCI
=
OL
OL
O
C
C

= V
L
L
= 0.4 V; V
= 0.4 V; V
40
DD
DD
= 7 pF
= 12.5 pF
All information provided in this document is subject to legal disclaimers.
SS
= V
= V

C to +85
or V
DD(min)
DD(min)
DD
DD
DD
Rev. 3 — 30 March 2011
+ 0.3 V.
+ 0.5 V.
= 5 V
= 3.0 V
OSCI

C; f
and C
osc
DD
= 32.768 kHz; quartz R
or V
OSCO
SS
in series:
.
C
L itg
[7][8]

[6]
[6]
[4]
[9]
Real-Time Clock (RTC) and calendar

Min
0.5
V
1.5
20
-
3.3
6
-
=
s
SS
= 40 k
------------------------------------------- -


C
C
OSCI
OSCI

; C
+

Typ
-
-
-
-
0
7
12.5
-
C
C
L
OSCO
OSCO
= 7 pF; unless otherwise


PCF8523
© NXP B.V. 2011. All rights reserved.
.
Max
5.5
0.4
-
-
-
14
25
100
49 of 66
Unit
V
V
mA
mA
nA
pF
pF
k