PCF2129AT/2,518 NXP Semiconductors, PCF2129AT/2,518 Datasheet - Page 57

• 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 54.
V
[1]
[2]
[3]
PCF2129AT
Product data sheet
Symbol
f
f/f
f
f/V
o
DD
xtal
= 1.8 V to 4.2 V; V
1 ppm corresponds to a time deviation of 0.0864 seconds per day.
Only valid if CLKOUT frequencies are not equal to 32.768 kHz or if CLKOUT is disabled.
Not production tested. Effects of reflow solder not included (see
/f
xtal
Parameter
output frequency
frequency stability
relative crystal frequency variation crystal aging, first year;
frequency variation with voltage
Frequency characteristics
12.2 Frequency characteristics
SS
= 0 V; T
Fig 41. Typical characteristic of frequency with respect to temperature
Frequency
(1) Typical temperature compensated frequency response.
(2) Uncompensated typical tuning-fork crystal frequency.
stability
(ppm)
amb
-40
-80
40
= +25
0
All information provided in this document is subject to legal disclaimers.
-40

C, unless otherwise specified.
Conditions
on pin CLKOUT;
V
COF[2:0] = 000;
AO[3:0] = 1000
V
V
on pin CLKOUT
DD
DD
DD
T
T
and
T
Rev. 5 — 12 February 2013
amb
amb
amb
(1)
or V
or V
or V
± 5 ppm
(2)
-20
= 15 C to +60 C
= 25 C to 15 C
= +60 C to +65 C
BAT
BAT
BAT
= 3.3 V;
= 3.3 V
= 3.3 V
Ref. 3
0
“AN10857”).
20
± 3 ppm
Integrated RTC, TCXO and quartz crystal
[1][2]
[1][2]
[3]
40
Min
-
-
-
-
-
± 5 ppm
60
PCF2129AT
Typ
32.768 -
3
5
-
1
© NXP B.V. 2013. All rights reserved.
Temperature (°C)
80
Max
5
10
3
-
013aaa593
Unit
kHz
ppm
ppm
ppm
ppm/V
100
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