PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 54

• Manufacturer Part Number: PCF2129AT/2,518
• Description: Real Time Clock
• Manufacturer: NXP Semiconductors
• Series: PCF2129r

Specifications of PCF2129AT/2,518

• Rohs: yes
• Function: Clock, Calendar, Alarm, Watchdog, Timestamp
• Rtc Bus Interface: I2C, SPI
• Date Format: Binary
• Time Format: Binary
• Supply Voltage - Max: 4.2 V
• Supply Voltage - Min: 1.2 V
• Maximum Operating Temperature: + 60 C
• Minimum Operating Temperature: - 15 C
• Mounting Style: SMD/SMT
• Package / Case: SOP-20
• Battery Backup Switching: Yes
• Factory Pack Quantity: 2000

NXP Semiconductors
Table 53.
V
[1]
[2]
[3]
[4]
[5]
[6]
PCF2129AT
Product data sheet
Symbol
Inputs
V
V
V
I
C
Outputs
V
I
I
I
LI
OL
OH
LI
DD
I
IL
IH
O
i
= 1.8 V to 4.2 V; V
For reliable oscillator start-up at power-on: V
Timer source clock =
When the device is supplied by the V
conditions.
The I
Tested on sample basis.
For further information, see
[4]
2
C-bus interface of PCF2129AT is 5 V tolerant.
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
SS
1
⁄
60
= 0 V; T
Hz, level of pins SDA/CE, SDI, and SCL is V
Figure
amb
…continued
38.
BAT
=

pin instead of the V
40
All information provided in this document is subject to legal disclaimers.

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
post ESD event
on pin SDA/CE
on all other outputs
post ESD event
= V
= V
= 0.4 V
> 2.0 V
= 4.2 V
= 20 C to +85 C;
Rev. 5 — 12 February 2013
DD
DD
= V
or V
or V

DD(min)
C, unless otherwise specified.
SS
DD
SS
OH
pin, the current values for I
+ 0.3 V.
= 3.8 V;
DD
or V
SS
[5]
[6]
.
Integrated RTC, TCXO and quartz crystal
Min
0.5
-
-
0.7V
-
1
-
0.5
0.5
3
1.0
1.0
-
1
DD
BAT
will be as specified for I
-
Typ
-
-
-
0
-
-
-
-
17
-
-
0
-
PCF2129AT
0.25V
5.5
-
Max
V
0.3V
-
-
+1
7
V
-
-
-
+1
© NXP B.V. 2013. All rights reserved.
DD
BBS
DD
+ 0.5
DD
+ 0.5 V
DD
under the same
mA
mA
Unit
V
V
V
V
A
A
pF
V
mA
A
A
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