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PCA21125 - SPI-bus Real-Time Clock/calendar

General Description

The PCA21125 is a CMOS1 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.

Key Features

  • AEC Q100 compliant for automotive.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PCA21125 SPI-bus Real-Time Clock and calendar Rev. 2 — 25 November 2014 Product data sheet 1. General description The PCA21125 is a CMOS1 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. For a selection of NXP Real-Time Clocks, see Table 46 on page 41 2. Features and benefits  AEC Q100 compliant for automotive applications.  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.