PCA21125T: SPI-bus Real-Time Clock and calendar

The PCA21125 is a CMOS Real-Time Clock (RTC) and calendar optimized for low-power consumption and an operating temperature up to 125 °C. Data is transferred via a Serial Peripheral Interface (SPI-bus) with a maximum data rate of 6.0 Mbit/s. Alarm and timer functions are also available with the possibility to generate a wake-up signal on the interrupt pin.

Outline 3d SOT402-1
Data Sheets (1)
Name/DescriptionModified Date
SPI-bus Real-Time Clock and calendar (REV 2.0) PDF (383.0 kB) PCA2112525 Nov 2014
Application Notes (1)
Name/DescriptionModified Date
ESD and EMC sensitivity of IC (REV 1.0) PDF (745.0 kB) AN1085314 Mar 2013
Users Guides (2)
Name/DescriptionModified Date
User Manual for NXP® Real Time Clocks PCF85x3, PCF85x63, PCA8565, PCF2123, and PCA21125 (REV 2.1) PDF (961.0 kB) UM1030124 Jul 2015
Store and transport requirements (REV 3.0) PDF (325.0 kB) UM1056910 Mar 2015
Brochures (1)
Name/DescriptionModified Date
Real-time clocks for automotive applications (REV 1.0) PDF (513.0 kB) 7501766521 Jul 2015
Package Information (1)
Name/DescriptionModified Date
plastic thin shrink small outline package; 14 leads; body width 4.4 mm (REV 1.0) PDF (285.0 kB) SOT402-108 Feb 2016
Packing (1)
Name/DescriptionModified Date
TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... (REV 1.0) PDF (217.0 kB) SOT402-1_11808 Apr 2013
Supporting Information (1)
Name/DescriptionModified Date
Footprint for wave soldering (REV 1.0) PDF (16.0 kB) SSOP-TSSOP-VSO-WAVE08 Oct 2009
Ordering Information
ProductStatusPackage versionAEC-Q100 compliantresolutionInterfaceVDD (interface) (V)watchdog timerProgrammable alarmcountdown timerVDD (clock) (V)Leap year trackingIDD (nA)temperature compensationTamb (Cel)
PCA21125T/Q900/1Active
Package Information
Product IDPackage DescriptionOutline VersionReflow/Wave SolderingPackingProduct StatusPart NumberOrdering code(12NC)MarkingChemical ContentRoHS / Pb Free / RHFLeadFree Conversion DateIFR(FIT)MTBF(hour)MSLMSL LF
PCA21125T/Q900/1SOT402-1SSOP-TSSOP-VSO-WAVEReel 13" Q1/T1ActivePCA21125T/Q900/1,1 (9352 904 08118)PC21125PCA21125T/Q900/1Always Pb-free52E811
SPI-bus Real-Time Clock and calendar pca21125t
ESD and EMC sensitivity of IC pcf8576d_automotive
User Manual for NXP® Real Time Clocks PCF85x3, PCF85x63, PCA8565, PCF2123, and PCA21125 pca8565ts
Store and transport requirements pcf8576d_automotive
Real-time clocks for automotive applications pca8565ts
plastic thin shrink small outline package; 14 leads; body width 4.4 mm 74LV164_Q100
SSOP-TSSOP-VSO-WAVE LPC1114FDH28
TSSOP14; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or... 74LV164_Q100
74LV164