NXP PCF2129AT/2,518, Real Time Clock 128 bit Real Time Clock D:W:M:Y, 20-Pin SO-20 Surface

Image representative of range

Bulk discount available
View bulk pricing options

Subtotal (1 pack of 5 units)*

R 462,52

(exc. VAT)

R 531,90

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • Plus 320 unit(s) shipping from 04 September 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units
Per unit
Per Pack*
5 - 45R 92.504R 462.52
50 - 95R 90.192R 450.96
100 - 245R 87.486R 437.43
250 - 995R 83.986R 419.93
1000 +R 80.626R 403.13

*price indicative

Packaging Options:
RS stock no.:
219-4633
Mfr. Part No.:
PCF2129AT/2,518
Manufacturer:
NXP
Find similar products by selecting one or more attributes.
Select all

Brand

NXP

Product Type

Real Time Clock

Date Format

D:W:M:Y

Time Format

SS:MM:HH

Sub Type

Real Time Clock

Mount Type

Surface

Package Type

SO-20

Pin Count

20

Minimum Operating Temperature

-40°C

RTC Memory Size

128bit

Maximum Operating Temperature

85°C

Standards/Approvals

No

Length

12.8mm

Series

PCF2129

Width

7.5mm

Height

2.65mm

Minimum Supply Voltage

1.8V

Maximum Supply Voltage

4.2V

Automotive Standard

No

The NXP PCF2129 is a CMOS1 real time clock (RTC) and calendar with an integrated temperature compensated crystal (Xtal) oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and very low power consumption. The PCF2129 has a selectable I2C bus or SPI bus, a backup battery switch over circuit, a programmable watchdog function, a timestamp function, and many other features.

Battery backed output voltage

Battery low detection function

Related links

Be the first to know about our latest products and offers

Email address

The personal information you provide to us when signing up to this mailing list will be processed in line with the Privacy Policy