Overview
The PCF85063ATL/1,118 is a CMOS Real-Time Clock (RTC) and calendar chip designed by NXP USA Inc. This component is optimized for low power consumption, making it suitable for a variety of applications where energy efficiency is crucial. The PCF85063A series includes an offset register that allows fine-tuning of the clock, ensuring high accuracy in timekeeping.
Key Specifications
| Parameter | Description |
|---|---|
| Operating Voltage | 0.9 V to 5.5 V |
| Current Consumption | Typical 0.22 μA at VDD = 3.3 V and Tamb = 25 °C |
| I2C-Bus Interface | Maximum data rate of 400 kbit/s |
| Oscillator Frequency | 32.768 kHz quartz crystal |
| Package Type | 10-Pin DFN EP (Dual Flat No-Lead Package) |
| Dimensions | Body size: 2.6 mm x 2.6 mm x 0.5 mm |
| Clock Output Frequencies | 32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz |
Key Features
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal.
- Low power consumption with a typical current of 0.22 μA at VDD = 3.3 V and Tamb = 25 °C.
- I2C-bus interface with a maximum data rate of 400 kbit/s.
- Programmable clock output for peripheral devices.
- An offset register for fine-tuning the clock.
- Integrated 32.768 kHz oscillator with capacitors.
- Alarm and timer functions.
- Automatic incrementing of the register address after each read or write operation.
Applications
- Consumer electronics such as smart home devices, wearables, and handheld devices.
- Industrial automation and control systems.
- Medical devices requiring precise timekeeping.
- Automotive systems, including infotainment and navigation.
- IoT devices where low power consumption is essential.
Q & A
- What is the operating voltage range of the PCF85063ATL/1,118?
The operating voltage range is from 0.9 V to 5.5 V.
- What is the typical current consumption of the PCF85063ATL/1,118?
The typical current consumption is 0.22 μA at VDD = 3.3 V and Tamb = 25 °C.
- What is the maximum data rate of the I2C-bus interface?
The maximum data rate is 400 kbit/s.
- What frequencies can the clock output be programmed to?
The clock output can be programmed to 32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, and 2.048 kHz.
- Does the PCF85063ATL/1,118 have an alarm function?
- How does the register address increment in the PCF85063ATL/1,118?
The register address increments automatically after each read or write operation up to register 11h, then wraps around to address 00h.
- What type of oscillator is integrated into the PCF85063ATL/1,118?
An on-chip 32.768 kHz oscillator with integrated capacitors.
- What is the purpose of the offset register in the PCF85063ATL/1,118?
The offset register allows fine-tuning of the clock for higher accuracy.
- In what package is the PCF85063ATL/1,118 available?
The component is available in a 10-Pin DFN EP (Dual Flat No-Lead Package).
- What are some common applications of the PCF85063ATL/1,118?
Common applications include consumer electronics, industrial automation, medical devices, automotive systems, and IoT devices.
