NXP’s automotive realtime clocks are designed for highest reliability and lowest power consumption. Devices are available with I2C or SPI bus interfaces.
Automotive
Proven clock technology for automotive
Key features and benefits
- Extended operating temperature range from -40ºC to +125ºC
- Extended operating temperature range to +125 ºC to withstand harshest conditions
- Wide power supply voltage range from 1.6V/1.8V to 5.5V
- Automotive AEC-Q100 compliant qualification for highest reliability and robustness
- Low power consumption (0.55 / 0.65 μA at VDD = 3.0 V and Tamb = 25 °C)
- Low power consumption to enable power critical applications
- I2C or SPI interface
- Programmable alarm and timer functions with interrupt capability
- One integrated oscillator capacitor
- Programmable clock output to drive peripheral devices
Key applications
- Instrument clusters
- Tachographs
- Black boxes for electronic road pricing
- Battery management units
- Car radios
Design tools & Assets
A central place for your design support and tooling.
For today´s short product development cycles, NXP
helps you with this portal to simplify your design.
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Training & events
Products
| Type number | Description | Status | Quick access |
|---|---|---|---|
| PCA21125T | SPI-bus Real-Time Clock and calendar | Download datasheet Order sample Buy online | |
| PCA8565TS | Real time clock/calendar | Download datasheet Order sample Buy online |







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