PCF85063TP/1Z

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC)
• Characteristics: Low power consumption, high accuracy, small package size
• Package: 8-pin TSSOP
• Essence: Provides accurate timekeeping functionality for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Supply Voltage: 1.0V to 5.5V
• Timekeeping Accuracy: ±3 minutes per year at 25°C
• Operating Temperature Range: -40°C to +85°C
• I2C-bus Interface: Supports standard and fast mode (up to 400 kHz)
• Clock Output Frequency: Programmable from 32.768 kHz to 1 Hz
• Alarm Function: Two independent programmable alarms
• Power-On Reset: Ensures reliable system start-up

Pin Configuration

The PCF85063TP/1Z features an 8-pin TSSOP package with the following pin configuration:

1. VDD - Supply voltage
2. GND - Ground
3. SDA - Serial Data Line (I2C-bus)
4. SCL - Serial Clock Line (I2C-bus)
5. /INT - Interrupt output
6. CLKOUT - Clock output
7. SQW/ALM - Square wave output/Alarm interrupt output
8. VBAT - Backup battery input (optional)

Functional Features

• Accurate Timekeeping: The PCF85063TP/1Z provides precise timekeeping functionality, ensuring accurate time display in electronic devices.
• Low Power Consumption: With its low power design, the RTC consumes minimal energy, making it suitable for battery-powered applications.
• Alarm Functionality: Two independent programmable alarms allow for customizable wake-up or event triggering.
• Clock Output: The device offers a programmable clock output, enabling synchronization with other components in the system.
• Power-On Reset: The power-on reset feature ensures reliable system start-up by initializing the RTC upon power application.

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Low power consumption - Compact package size - Flexible alarm functionality - Wide operating temperature range

Disadvantages: - Limited backup battery support (optional VBAT input)

Working Principles

The PCF85063TP/1Z utilizes an internal oscillator to generate the clock signal. It communicates with the host microcontroller through the I2C-bus interface, allowing for easy integration into various systems. The RTC continuously keeps track of time, even during power loss, thanks to an optional backup battery connection.

Application Field Plans

The PCF85063TP/1Z is suitable for a wide range of applications, including but not limited to:

1. Consumer Electronics: Time display in digital watches, clocks, and home appliances.
2. Automotive: Dashboard clocks, event scheduling, and data logging.
3. Industrial Automation: Timers, data loggers, and process control systems.
4. Medical Devices: Patient monitoring equipment, time-sensitive alarms, and data recording.

Alternative Models

1. PCF85263ATP/1Z: Similar features with additional tamper detection capability.
2. DS1307: Real-Time Clock IC with 56-byte non-volatile RAM.
3. MCP7940N: I2C RTC with battery switchover and SRAM.

Please note that the above list is not exhaustive, and there are several alternative models available from different manufacturers.

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