Overview
The PCF8563T/F4,118 is a CMOS Real-Time Clock (RTC) and calendar chip produced by NXP USA Inc. This component is optimized for low power consumption, making it suitable for a variety of applications, especially in battery-powered devices. It features a programmable clock output, interrupt output, and a voltage-low detector. The PCF8563T/F4,118 communicates via a two-line bidirectional I2C-bus with a maximum bus speed of 400 kbit/s.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | SO8 (Small Outline Package, 8 leads) |
| Operating Voltage | 1.0 V to 5.5 V at room temperature |
| Backup Current | Typical 0.25 μA at VDD = 3.0 V and Tamb = 25°C |
| I2C-Bus Interface | 400 kHz two-wire I2C-bus interface (at VDD = 1.8 V to 5.5 V) |
| Clock Output | Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz) |
| Oscillator | On-chip 32.768 kHz oscillator with integrated capacitor |
| Power-On Reset (POR) | Internal Power-On Reset |
| Interrupt Pin | Open-drain interrupt pin |
| Voltage-Low Detector | On-chip voltage-low detector |
| Environmental Compliance | PbFree, EU RoHS compliant, Halogen Free, REACH SVHC compliant |
Key Features
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
- Clock operating voltage range from 1.0 V to 5.5 V
- Low backup current for extended battery life
- Programmable clock output for various frequencies
- Alarm and timer functions
- Integrated oscillator capacitor
- Internal Power-On Reset (POR)
- I2C-bus slave address: read A3h and write A2h
- Open-drain interrupt pin
- Century flag for accurate date tracking
Applications
- Mobile telephones
- Portable instruments
- Electronic metering
- Battery powered products
Q & A
- What is the PCF8563T/F4,118?
The PCF8563T/F4,118 is a CMOS Real-Time Clock (RTC) and calendar chip produced by NXP USA Inc.
- What is the operating voltage range of the PCF8563T/F4,118?
The operating voltage range is from 1.0 V to 5.5 V at room temperature.
- What is the typical backup current of the PCF8563T/F4,118?
The typical backup current is 0.25 μA at VDD = 3.0 V and Tamb = 25°C.
- What interface does the PCF8563T/F4,118 use for communication?
The PCF8563T/F4,118 uses a two-line bidirectional I2C-bus interface with a maximum bus speed of 400 kbit/s.
- What are the programmable clock output frequencies of the PCF8563T/F4,118?
The programmable clock output frequencies are 32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz.
- Does the PCF8563T/F4,118 have an integrated oscillator capacitor?
- What is the purpose of the voltage-low detector in the PCF8563T/F4,118?
The voltage-low detector indicates when the supply voltage drops below a certain threshold, potentially compromising the clock's integrity.
- Is the PCF8563T/F4,118 environmentally compliant?
- What are some common applications of the PCF8563T/F4,118?
- What is the package type of the PCF8563T/F4,118?
The package type is SO8 (Small Outline Package, 8 leads).
