PCA2125TS NXP [NXP Semiconductors], PCA2125TS Datasheet
PCA2125TS
Manufacturer Part Number
PCA2125TS
Description
SPI Real-time clock/calendar
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.PCA2125TS.pdf
(36 pages)
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1. General description
2. Features
3. Applications
4. Ordering information
The PCA2125 is a CMOS real-time clock/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. An alarm and timer function
are also available with the possibility to generate a wake-up signal on an interrupt pin.
AEC Q100 qualified for automotive applications.
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Table 1.
Type number
PCA2125TS
PCA2125
SPI Real-time clock/calendar
Rev. 01 — 28 July 2008
Provides year, month, day, weekday, hours, minutes and seconds based on
32.768 kHz quartz crystal
Resolution: seconds to years
Clock operating voltage: 1.3 V to 5.5 V
Low backup current: typical 0.55 A at V
3-line SPI-bus with separate combinable data input and output
Serial interface (at V
1 second or 1 minute interrupt output
Freely programmable timer with interrupt capability
Freely programmable alarm function with interrupt capability
Integrated oscillator capacitor
Internal power-on reset
Open-drain interrupt pin
Automotive time keeping application
Metering
Ordering information
Package
Name
TSSOP14
DD
= 1.6 V to 5.5 V)
Description
plastic thin shrink small outline package; 14 leads;
body width 4.4 mm
DD
= 3.0 V and T
amb
= 25 C
Product data sheet
Version
SOT402-1
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