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 79 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
22. Revision history
Table 85. Revision history
Document ID Release date Data sheet status Change notice Supersedes
PCF2129 v.7 20141219 Product data sheet - PCF2129AT v.6
PCF2129T v.4
Modifications:
• The format of this data sheet has been redesigned to comply with the new identity
guidelines of NXP Semiconductors.
• Legal texts have been adapted to the new company name where appropriate.
• Combined PCF2129AT and PCF2129T data sheets to one data sheet
• Added Figure 4, Figure 43 and Figure 48
• Enhanced Figure 8, Figure 12, Figure 20, Section 8.11.1, Figure 37, Figure 38
• Added Section 9.3
• Changed I
DD
values in Table 79
• Added V
OH
and V
OL
values in Table 79
• Enhanced description of internal operating voltage
• Added register bit allocation tables
• Enhanced ESD HBM values
• Fixed typos
PCF2129AT
PCF2127AT v.6 20130711 Product data sheet - PCF2127AT v.5
PCF2129AT v.5 20130212 Product data sheet - PCF2129AT v.4
PCF2129AT v.4 20121107 Product data sheet - PCF2129AT v.3
PCF2129AT v.3 20121004 Product data sheet - PCF2129AT v.2
PCF2129AT v.2 20100507 Product data sheet - PCF2129AT v.1
PCF2129AT v.1 20100113 Product data sheet - -
PCF2129T
PCF2129T v.4 20130711 Product data sheet - PCF2129T v.3
PCF2129T v.3 20130212 Product data sheet - PCF2129T v.2
PCF2129T v.2 20121025 Product data sheet - PCF2129T v.1
PCF2129T v.1 20120618 Product data sheet - -