Overview
The PCF8563TS/5,118 is a CMOS Real-Time Clock (RTC) and calendar chip produced by NXP USA Inc. This device is optimized for low power consumption, making it suitable for a variety of battery-powered and low-power applications. It features a programmable clock output, interrupt output, and a voltage-low detector, all accessible via a two-line bidirectional I2C-bus interface.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | NXP USA Inc. |
| Part Number | PCF8563TS/5,118 |
| Package | TSSOP-8 (thin shrink small outline package) |
| 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 (at VDD = 1.8 V to 5.5 V) |
| Clock Output Frequencies | 32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz |
| Alarm and Timer Functions | Yes |
| Integrated Oscillator Capacitor | Yes |
| Internal Power-On Reset (POR) | Yes |
| I2C-Bus Slave Address | Read A3h, Write A2h |
| Interrupt Pin | Open-drain, active LOW |
Key Features
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal.
- Century flag for accurate date tracking.
- Programmable clock output for peripheral devices.
- Alarm and timer functions.
- Integrated oscillator capacitor.
- Internal Power-On Reset (POR).
- Voltage-low detector to monitor power integrity.
- Low backup current for extended battery life.
Applications
- Mobile telephones.
- Portable instruments.
- Electronic metering.
- Battery-powered products.
Q & A
- What is the PCF8563TS/5,118 used for?
The PCF8563TS/5,118 is used as a Real-Time Clock (RTC) and calendar in various electronic devices, providing accurate time and date information.
- What is the operating voltage range of the PCF8563TS/5,118?
The operating voltage range is from 1.0 V to 5.5 V at room temperature.
- What is the typical backup current of the PCF8563TS/5,118?
The typical backup current is 0.25 μA at VDD = 3.0 V and Tamb = 25°C.
- What interface does the PCF8563TS/5,118 use for communication?
The device uses a 400 kHz two-wire I2C-bus interface.
- What are the available clock output frequencies of the PCF8563TS/5,118?
The available clock output frequencies are 32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz.
- Does the PCF8563TS/5,118 have alarm and timer functions?
Yes, it does have alarm and timer functions.
- Is the PCF8563TS/5,118 RoHS compliant?
Yes, the PCF8563TS/5,118 is RoHS compliant.
- What is the package type of the PCF8563TS/5,118?
The package type is TSSOP-8 (thin shrink small outline package).
- Does the PCF8563TS/5,118 have an integrated oscillator capacitor?
Yes, it has an integrated oscillator capacitor.
- What is the purpose of the voltage-low detector in the PCF8563TS/5,118?
The voltage-low detector monitors the power integrity and sets a flag if the voltage drops below a certain threshold, indicating potential corruption of the time information.
