This website uses cookies. By using this site, you consent to the use of cookies. For more information, please take a look at our Privacy Policy.

Images are for reference only,

See Technical Specifications

1,1 +BOM

Calendar Alarm Timer

Manufacturer:

NXP Semiconductor
Mfr.Part #:

PCA21125T/Q900/1,1
Datasheet:

PCA21125T/Q900/1,1 Datasheet (PDF)
Leap Year Tracking:

yes
I<sub>DD</sub> (nA):

820
Description:

SPI-bus Real-Time Clock and calendar
AEC-Q100 Compliant:

yes
EDA/CAD Models:

Request Free CAD Models for PCA21125T/Q900/1,1

PCA21125T/Q900/1,1 General Description

The PCA21125T/Q900/1,1,'14-TSSOP boasts a compact form factor, measuring a mere 0.173 x 4.40mm in width. Its sleek design makes it an ideal choice for space-constrained applications. Equipped with features such as Alarm Leap Year Square Wave Output and Watchdog Timer, this versatile component ensures reliable performance in a variety of scenarios

Key Features

SPI-bus Real-Time Clock and calendar

Specifications

leap year tracking	yes	I<sub>DD</sub> (nA)	820
Description	SPI-bus Real-Time Clock and calendar	AEC-Q100 compliant	yes
Supply Voltage [Min - Max]	1.3,1.6,5.5,5.5	Interface	SPI
Supported RF standards	SPI	countdown timer	yes
TX Dominant Time out	yes	Supply Voltage [max] (V)	5.5
Ambient Operating Temperature (Min to Max) (℃)	-40 to 125	Supply Voltage [min] (V)	1.3,1.6
Supply Voltage [Min to Max] (V)	1.3 to 5.5,1.6 to 5.5	Battery Back Up	No
Peripheral Type	SPI	Serial Communication	1 x SPI
Number of pins	14	Integrated Temperature Compensation	N
T<sub>amb</sub> (?C)	-40 to +125	Security Status	COMPANY PUBLIC
SPI	1	Automotive	Y
Watchdog timer	Y	Programmable alarm	Y
VDD (clock)	1.3 to 5.5	VDD (interface)	1.6 to 5.5
Countdown Timer	Y	Excitation Source V/I	No
FOTA	No	Automotive Qualified	Y
Pad supply (V)	1.3 to 5.5,1.6 to 5.5	Communication protocol	SPI
Operating Temperature (Min-Max) (℃)	-40 to 125	resolution	1 sec to year
V<sub>DD</sub> (interface)	1.6 to 5.5	temperature compensation	no
watchdog timer	yes	Master Interface	SPI
Controller Interface	SPI	V<sub>DD</sub> (clock)	1.3 to 5.5
Programmabe	Not Verified	Type	Clock/Calendar
Features	Alarm, Leap Year, Square Wave Output, Watchdog Timer	Time Format	HH:MM:SS (12/24 hr)
Date Format	YY-MM-DD-dd	Voltage - Supply	1.6V ~ 5.5V
Current - Timekeeping (Max)	30.3µA @ 2V ~ 5V	Operating Temperature	-40°C ~ 125°C
Mounting Type	Surface Mount	Base Product Number	PCA21125