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PCF2129 датащи(PDF) 64 Page - NXP Semiconductors

номер детали PCF2129
подробное описание детали  Accurate RTC with integrated quartz crystal for industrial applications
PDF  86 Pages
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производитель  PHILIPS [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

PCF2129 датащи(HTML) 64 Page - NXP Semiconductors

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PCF2129
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet
Rev. 7 — 19 December 2014
64 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
13.2 Frequency characteristics
[1]
1 ppm corresponds to a time deviation of 0.0864 seconds per day.
[2]
Only valid if CLKOUT frequencies are not equal to 32.768 kHz or if CLKOUT is disabled.
[3]
Not production tested. Effects of reflow soldering are included (see Ref. 3 “AN11186”).
Table 80.
Frequency characteristics
VDD = 1.8 V to 4.2 V; VSS =0V; Tamb =+25 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fo
output frequency
on pin CLKOUT;
VDD or VBAT = 3.3 V;
COF[2:0] = 000;
AO[3:0] = 1000
-
32.768
-
kHz
f/f
frequency stability
VDD or VBAT = 3.3 V
PCF2129AT
Tamb = 15 C to +60 C
[1][2] -
3
5ppm
Tamb = 25 Cto 15 C
and
Tamb =+60 Cto+65 C
[1][2] -
5
10
ppm
PCF2129T
Tamb = 30 C to +80 C
[1][2] -
3
8ppm
Tamb = 40 Cto 30 C
and
Tamb =+80 Cto+85 C
[1][2] -
5
15
ppm
f
xtal/fxtal
relative crystal
frequency variation
crystal aging
PCF2129AT
first year;
VDD or VBAT = 3.3 V
[3] --
3ppm
PCF2129T
first year
[3] --
3ppm
ten years
-
-
8ppm
f/V
frequency variation
with voltage
on pin CLKOUT
-
1-
ppm/V



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