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 2 of 86
NXP Semiconductors
PCF2129
Accurate RTC with integrated quartz crystal for industrial applications
 Clock operating voltage: 1.8 V to 4.2 V
 Low supply current: typical 0.70 A at V
DD
=3.3V
3. Applications
 Electronic metering for electricity, water, and gas
 Precision timekeeping
 Access to accurate time of the day
 GPS equipment to reduce time to first fix
 Applications that require an accurate process timing
 Products with long automated unattended operation time
4. Ordering information
4.1 Ordering options
5. Marking
Table 1. Ordering information
Type number Package
Name Description Version
PCF2129AT SO20 plastic small outline package; 20 leads;
body width 7.5 mm
SOT163-1
PCF2129T SO16 plastic small outline package; 16 leads;
body width 7.5 mm
SOT162-1
Table 2. Ordering options
Product type number Orderable part number Sales item
(12NC)
Delivery form IC
revision
PCF2129AT/2 PCF2129AT/2,518 935295732518 tape and reel, 13 inch, dry pack 2
PCF2129T/2 PCF2129T/2,518 935297464518 tape and reel, 13 inch, dry pack 2
Table 3. Marking codes
Product type number Marking code
PCF2129AT/2 PCF2129AT
PCF2129T/2 PCF2129T