pcf2129a NXP Semiconductors, pcf2129a Datasheet - Page 53
pcf2129a
Manufacturer Part Number
pcf2129a
Description
Integrated Rtc, Tcxo And Quartz Crystal
Manufacturer
NXP Semiconductors
Datasheet
1.PCF2129A.pdf
(68 pages)
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NXP Semiconductors
Table 52.
V
[1]
[2]
[3]
PCF2129A_1
Product data sheet
Symbol
Inputs
V
V
V
I
C
Outputs
V
I
I
I
LI
OL
OH
LO
DD
I
IL
IH
O
i
For reliable oscillator start-up at power-on: V
Timer source clock =
Tested on sample basis.
= 1.8 V to 4.2 V; V
Static characteristics
Parameter
input voltage
LOW-level input voltage
HIGH-level input voltage
input leakage current
input capacitance
output voltage
LOW-level output current
HIGH-level output current
output leakage current
12.1 Current consumption I
SS
1
⁄
60
= 0 V; T
Fig 38. I
Hz, level of pins SDA/CE, SDI, and SCL is V
(μA)
I
amb
DD
2.0
1.6
1.2
0.8
0.4
…continued
CLKOUT disabled; PWRMNG[2:0] = 111; TSOFF = 1; TS input floating.
DD
0
−40
=
as a function of temperature
−
40
°
Conditions
T
V
V
on pins CLKOUT, INT,
referring to external pull-up
on pin SDO
output sink current;
V
output source current;
on pin SDO; V
V
V
DD(po)min
C to +85
amb
DD
I
OL
DD
O
on pin SDA
on all other outputs
= V
= V
−20
= 0.4 V; V
> 2.0 V
= 4.2 V
= −20 °C to +85 °C;
Rev. 01 — 13 January 2010
DD
DD
= V
or V
or V
°
C, unless otherwise specified.
DD(min)
SS
DD
SS
DD
OH
0
+ 0.3 V.
= 4.2 V
characteristics, typical
= 3.8 V;
DD
20
or V
SS
[3]
.
Integrated RTC, TCXO and quartz crystal
Min
−0.5
-
-
0.7V
−1
-
−0.5
−0.5
20
1.0
1.0
−1
40
DD
60
Typ
-
-
-
-
0
-
-
-
-
-
-
0
Temperature (°C)
PCF2129A
80
V
V
Max
V
0.25V
0.3V
-
+1
7
5.5
V
-
-
-
1
DD
DD
© NXP B.V. 2010. All rights reserved.
001aaj432
DD
BBS
= 3 V
= 2 V
+ 0.5
DD
+ 0.5 V
DD
100
Unit
V
V
V
V
μA
pF
V
mA
mA
mA
μA
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