PCF8563BS NXP [NXP Semiconductors], PCF8563BS Datasheet - Page 20

• Manufacturer Part Number: PCF8563BS
• Description: Real-time clock/calendar
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
11. Dynamic characteristics
Table 28.
V
specified.
[1]
[2]
[3]
[4]
PCF8563_6
Product data sheet
Symbol
Oscillator
C
Quartz crystal parameters (f = 32.768 kHz)
R
C
C
CLKOUT output
I
f
t
t
t
t
t
t
C
t
t
t
t
2
SCL
HD;STA
SU;STA
LOW
HIGH
r
f
SU;DAT
HD;DAT
SU;STO
w(spike)
DD
CLKOUT
f
C-bus timing characteristics (see
L(itg)
s
L
trim
b
osc
= 1.8 V to 5.5 V; V
Unspecified for f
All timing values are valid within the operating supply voltage at ambient temperature and referenced to V
swing of V
A detailed description of the I
be ordered using the code 9398 393 40011.
I
2
/f
C-bus access time between two STARTs or between a START and a STOP condition to this device must be less than one second.
osc
Dynamic characteristics
SS
Parameter
integrated load capacitance
relative oscillator frequency variation
series resistance
load capacitance
trimmer capacitance
duty cycle on pin CLKOUT
SCL clock frequency
hold time (repeated) START condition
set-up time for a repeated START condition
LOW period of the SCL clock
HIGH period of the SCL clock
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
capacitive load for each bus line
data set-up time
data hold time
set-up time for STOP condition
spike pulse width
to V
CLKOUT
DD
.
SS
= 32.768 kHz.
= 0 V; T
2
C-bus specification, with applications, is given in brochure The I
amb
= 40 C to +85 C; f
Figure
21)
Rev. 06 — 21 February 2008
osc
Conditions
T
parallel
SDA
SCL
SDA
SCL
on bus
= 32.768 kHz; quartz R
V
amb
DD
= 25 C
= 200 mV;
[2][3]
[1]
[4]
s
Min
15
-
-
-
5
-
-
0.6
0.6
1.3
0.6
-
-
-
-
-
100
0
0.6
-
= 40 k ; C
2
C-bus specification . This brochure may
Real-time clock/calendar
Typ
25
2
-
10
-
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
IL
L
and V
= 8 pF; unless otherwise
10
PCF8563
7
© NXP B.V. 2008. All rights reserved.
IH
with an input voltage
Max
35
-
40
-
25
-
400
-
-
-
-
0.3
0.3
0.3
0.3
400
-
-
-
50
Unit
pF
k
pF
pF
%
kHz
pF
ns
ns
ns
20 of 32
s
s
s
s
s
s
s
s
s