PCF2123U/12HA/1,00

Product Overview

Category

The PCF2123U/12HA/1,00 belongs to the category of integrated circuits (ICs) and specifically falls under the Real-Time Clock (RTC) family.

Use

This product is primarily used for timekeeping and clock functions in various electronic devices. It provides accurate timekeeping capabilities and can be integrated into a wide range of applications.

Characteristics

• High precision: The PCF2123U/12HA/1,00 offers excellent accuracy in timekeeping, ensuring reliable performance.
• Low power consumption: This IC is designed to operate with minimal power consumption, making it suitable for battery-powered devices.
• Small form factor: The compact size of the PCF2123U/12HA/1,00 allows for easy integration into space-constrained designs.
• I2C interface: The product features an I2C interface, enabling seamless communication with other devices.

Package

The PCF2123U/12HA/1,00 is available in a small surface-mount package, allowing for efficient PCB assembly.

Essence

The essence of the PCF2123U/12HA/1,00 lies in its ability to accurately keep track of time and provide reliable clock functionality in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a standard quantity of 250 units per reel/tube.

Specifications

• Supply voltage: 1.8V to 5.5V
• Timekeeping accuracy: ±3 ppm at 25°C
• Operating temperature range: -40°C to +85°C
• I2C bus frequency: Up to 400 kHz
• Battery backup voltage: 1.0V to 5.5V

Detailed Pin Configuration

The PCF2123U/12HA/1,00 features the following pin configuration:

1. VDD: Supply voltage input
2. GND: Ground connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. SQW/INT: Square wave output or interrupt output
6. X1: Crystal oscillator input
7. X2: Crystal oscillator output
8. VBAT: Battery backup voltage input

Functional Features

• Real-time clock: The PCF2123U/12HA/1,00 provides accurate timekeeping capabilities, including hours, minutes, seconds, and date.
• Alarm functionality: It supports programmable alarms for specific time events.
• Power management: The IC incorporates power-saving features to optimize energy consumption.
• Oscillator calibration: The product includes a built-in calibration mechanism to ensure precise timekeeping.

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable timekeeping.
• Low power consumption extends battery life.
• Compact size allows for easy integration into various designs.
• Versatile I2C interface enables seamless communication with other devices.

Disadvantages

• Limited temperature range (-40°C to +85°C) may not be suitable for extreme environments.
• Requires an external crystal oscillator for operation.

Working Principles

The PCF2123U/12HA/1,00 utilizes an internal oscillator circuit and a real-time counter to keep track of time. It communicates with the host system through the I2C interface, allowing for configuration and retrieval of time-related information.

Detailed Application Field Plans

The PCF2123U/12HA/1,00 finds applications in various electronic devices that require accurate timekeeping, such as: - Wearable devices - Smart home automation systems - Industrial control systems - Automotive electronics - Medical equipment

Detailed and Complete Alternative Models

• PCF2123U/12HA/1,01
• PCF2123U/12HA/1,02
• PCF2123U/12HA/1,03
• PCF2123U/12HA/1,04

These alternative models offer similar functionality and specifications, providing flexibility for different design requirements.

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