PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 53

• 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
12. Static characteristics
Table 53.
V
PCF2129AT
Product data sheet
Symbol
Supplies
V
V
V
V
I
I
Power management
V
V
DD
L(bat)
DD
DD
BAT
DD(cal)
low
th(sw)bat
th(bat)low
= 1.8 V to 4.2 V; V
Static characteristics
Parameter
supply voltage
battery supply voltage
calibration supply voltage
low voltage
supply current
battery leakage current
battery switch threshold
voltage
low battery threshold voltage
SS
= 0 V; T
amb
=

40
All information provided in this document is subject to legal disclaimers.

Conditions
interface active;
supplied by V
interface inactive (f
TCR[1:0] = 00 (see
V
V
C to +85
DD
BAT
SPI-bus (f
I
PWRMNG[2:0] = 111 (see
TSOFF = 1 (see
COF[2:0] = 111 (see
PWRMNG[2:0] = 111 (see
TSOFF = 1 (see
COF[2:0] = 000 (see
PWRMNG[2:0] = 000 (see
TSOFF = 0 (see
COF[2:0] = 111 (see
PWRMNG[2:0] = 000 (see
TSOFF = 0 (see
COF[2:0] = 000 (see
2
C-bus (f
V
V
V
V
V
V
V
V
V
V
V
V
is active supply;
= 3.0 V
Rev. 5 — 12 February 2013
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
= 2.0 V
= 3.3 V
= 4.2 V
= 2.0 V
= 3.3 V
= 4.2 V
or V
or V
or V
or V
or V
or V

C, unless otherwise specified.
SCL
SCL
BAT
BAT
BAT
BAT
BAT
BAT
DD
= 400 kHz)
= 6.5 MHz)
= 2.0 V
= 3.3 V
= 4.2 V
= 2.0 V
= 3.3 V
= 4.2 V
SCL
Table 38 on page
Table 38 on page
Table 38 on page
Table 38 on page
Table 9 on page
= 0 Hz)
Table 11 on page
Table 11 on page
Table 11 on page
Table 11 on page
Table 14 on page
Table 14 on page
Table 14 on page
Table 14 on page
[2]
[1]
[3]
[3]
[3]
[3]
[3]
[3]
Integrated RTC, TCXO and quartz crystal
;
1.8
Min
1.8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
11)
35);
35);
35);
35);
12)
12)
12)
12)
14);
14);
-
3.3
Typ
-
1.2
-
-
500
700
800
600
850
1050
14);
1800
2150
2350
14);
1900
2300
2600
50
2.5
2.5
PCF2129AT
4.2
-
800
200
-
Max
4.2
-
-
1500
-
-
-
-
-
-
3500
-
-
-
100
-
© NXP B.V. 2013. All rights reserved.
V
V
nA
V
V
Unit
V
V
A
A
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
nA
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