PCF8523 NXP [NXP Semiconductors], PCF8523 Datasheet - Page 48

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

NXP Semiconductors
11. Static characteristics
Table 46.
V
specified.
PCF8523
Product data sheet
Symbol Parameter
Supplies
V
SR
V
I
I
Power management
V
Inputs
V
V
V
I
C
DD
L(bat)
LI
DD
DD
BAT
th(sw)bat
IL
IH
I
I
= 1.2 V to 5.5 V; V
supply voltage
slew rate
battery supply voltage
supply current
battery leakage current
battery switch threshold
voltage
LOW-level input voltage
HIGH-level input
voltage
input voltage
input leakage current
input capacitance
Static characteristics
SS
= 0 V; T
amb
Conditions
I
for clock data integrity
I
power management function active
of V
power management function active
I
f
I
interrupts disabled
V
V
2
2
2
SCL
2
=
C-bus inactive;
C-bus active
C-bus active;
C-bus inactive (f
DD
I
T
T
clock-out disabled;
power management function disabled
(PM[2:0] = 111)
clock-out enabled at 32 kHz;
power management function enabled
(PM[2:0] = 000)
= V

amb
amb
DD
T
V
V
V
= 1000 kHz
T
T
T
active; V
40
amb
amb
amb
amb
DD
DD
DD
SS
All information provided in this document is subject to legal disclaimers.
= 40 C to +85 C
= +10 C to +85 C

C to +85
or V
= 3.0 V
= 2.0 V to 5.0 V
= 2.0 V to 5.0 V
= 25 C;
= 40 C to +85 C;
= 25 C; V
= 40 C to +85 C;
DD
BAT
Rev. 3 — 30 March 2011
= 3.0 V

SCL
C; f
DD
= 0 Hz);
osc
= 3.0 V
= 32.768 kHz; quartz R
[1]
[2]
[3]
[3]
[4]
[5]
Real-Time Clock (RTC) and calendar
Min
1.2
1.0
1.6
1.8
-
1.8
-
-
-
-
-
-
2.28
-
0.7V
0.5
-
-
s
= 40 k
DD

; C
Typ
-
-
-
-
-
-
-
150
-
1200
-
50
2.5
-
-
-
0
-
L
= 7 pF; unless otherwise
PCF8523
© NXP B.V. 2011. All rights reserved.
Max
5.5
5.5
5.5
5.5
0.5
5.5
200
-
500
-
3600
100
2.7
0.3V
-
V
-
7
DD
DD
+ 0.5 V
48 of 66
Unit
V
V
V
V
V/ms
V
A
nA
nA
nA
nA
nA
V
V
V
nA
pF