Overview
The PCF85363ATL/AX, produced by NXP USA Inc., is a highly integrated real-time clock (RTC) and calendar module designed for low power consumption and versatile application in various electronic devices. This component is optimized for automatic switching to battery backup on main power loss, ensuring continuous timekeeping. It features a 32.768 kHz quartz crystal oscillator, 64 bytes of battery-backed RAM, and an I²C-bus interface for easy communication with microcontrollers.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Supply | 0.9V to 5.5V |
| Voltage Supply, Battery | 0.9V to 5.5V |
| Current Timekeeping (Max) | 0.885µA @ 3.3V |
| Operating Temperature | -40°C to 85°C |
| Interface | I²C, 2-Wire Serial |
| Package / Case | HXSON10 (DFN2626-10) |
| RAM Size | 64 bytes |
| Oscillator Frequency | 32.768 kHz |
Key Features
- Clock/Calendar functionality with leap year recognition
- Alarm feature with two independent interrupt signals
- Watchdog timer and stop-watch (elapsed time counter) functionality
- 64 bytes of battery-backed RAM
- Automatic switching to battery backup on main power loss
- I²C-bus interface with a maximum data rate of 400 kbit/s
- Time format support: HH:MM:SS:hh in both 12 and 24-hour formats, and date format: YY-MM-DD-dd
- Low power consumption with a maximum timekeeping current of 0.885µA at 3.3V
Applications
The PCF85363ATL/AX is suitable for various electronic applications, including:
- Mobile devices
- Wearables
- Smart electronics
- Industrial timekeeping
Q & A
- What is the primary function of the PCF85363ATL/AX? The primary function is to provide real-time clock and calendar functionality with additional features like alarm, watchdog timer, and battery backup.
- What is the voltage supply range for the PCF85363ATL/AX? The voltage supply range is from 0.9V to 5.5V.
- What is the maximum current consumption during timekeeping? The maximum current consumption during timekeeping is 0.885µA at 3.3V.
- What interface does the PCF85363ATL/AX use for communication? It uses an I²C-bus interface with a maximum data rate of 400 kbit/s.
- What is the operating temperature range of the PCF85363ATL/AX? The operating temperature range is from -40°C to 85°C.
- Does the PCF85363ATL/AX have any memory? Yes, it has 64 bytes of battery-backed RAM.
- What are the supported time and date formats? It supports time formats in both 12 and 24-hour formats (HH:MM:SS:hh) and date format (YY-MM-DD-dd).
- Is the PCF85363ATL/AX RoHS compliant? Yes, it is RoHS compliant and also halogen-free.
- What are the typical applications of the PCF85363ATL/AX? Typical applications include mobile devices, wearables, smart electronics, and industrial timekeeping.
- Does the PCF85363ATL/AX have any watchdog timer functionality? Yes, it includes a watchdog timer and stop-watch functionality.
