Datasheet

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 15 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
[1] Default value.
Table 18. Frequency correction at 25C, typical
AO[3:0] ppm
Decimal Binary
00000+8
10001+7
20010+6
30011+5
40100+4
50101+3
60110+2
70111+1
81000
[1]
0
910011
10 1010 2
11 1011 3
12 1100 4
13 1101 5
14 1110 6
15 1111 7