- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for PCF8566P
- Part Number PCF8566P
- Manufacturer NXP
- Pin Count 40
- Part Category Integrated Circuit
- Package Category Dual-In-Line Packages
- Footprint Name Dual-In-Line Packages - SOT129-1
- Released Date Nov 29, 2021
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
PCF8566P Details
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Manufacturer Part Number:
PCF8566P
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
DIP
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Package Description:
0.600 INCH, PLASTIC, MO-015, SOT129-1, DIP-40
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Pin Count:
40
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Manufacturer:
NXP Semiconductors
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YTEOL:
0
PCF8566P Frequently Asked Questions (FAQs)
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The recommended POR timing is to keep the VCC pin above 1.5V for at least 100ms to ensure a reliable power-on reset.
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The clock calibration process involves writing a correction value to the CAL register (0x08). The correction value is calculated based on the clock frequency error, which can be measured using an external clock reference. The datasheet provides a formula to calculate the correction value.
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The CLKOUT pin provides a clock output signal that can be used to drive other devices. The clock frequency can be set to 32.768 kHz, 1 Hz, or 1 kHz using the CLKOUT control register (0x0F). The CLKOUT pin can be used as a clock source for other devices or as a timing reference.
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To implement a battery-backed RTC, connect a battery to the VBAT pin and ensure that the VCC pin is connected to a power source. The PCF8566P will automatically switch to battery power when the VCC pin is below 1.5V. The RTC will continue to run from the battery even when the VCC pin is powered down.
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The maximum clock frequency error that can be corrected using the clock calibration process is ±214 ppm (parts per million). If the clock frequency error exceeds this range, the clock calibration process may not be able to correct it accurately.
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PCF8566P Overview
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About NXP
NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more.
NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.