Datasheet
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
© NXP Semiconductors N.V. 2014. All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 19 December 2014
Document identifier: PCF2129
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
11 Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
12 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 58
13 Static characteristics. . . . . . . . . . . . . . . . . . . . 59
13.1 Current consumption characteristics, typical . 61
13.2 Frequency characteristics. . . . . . . . . . . . . . . . 64
14 Dynamic characteristics . . . . . . . . . . . . . . . . . 66
14.1 SPI-bus timing characteristics . . . . . . . . . . . . 66
14.2 I
2
C-bus timing characteristics. . . . . . . . . . . . . 68
15 Application information. . . . . . . . . . . . . . . . . . 70
16 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 71
17 Packing information . . . . . . . . . . . . . . . . . . . . 73
17.1 Tape and reel information . . . . . . . . . . . . . . . . 73
18 Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
18.1 Footprint information. . . . . . . . . . . . . . . . . . . . 73
19 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
19.1 Real-Time Clock selection . . . . . . . . . . . . . . . 75
20 Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . . 77
21 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
22 Revision history. . . . . . . . . . . . . . . . . . . . . . . . 79
23 Legal information. . . . . . . . . . . . . . . . . . . . . . . 80
23.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 80
23.2 Definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
23.3 Disclaimers. . . . . . . . . . . . . . . . . . . . . . . . . . . 80
23.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 81
24 Contact information. . . . . . . . . . . . . . . . . . . . . 81
25 Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
26 Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
27 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85