DS3231MZ+TRL

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC)
• Characteristics:
  • High accuracy
  • Low power consumption
  • I2C interface
  • Temperature-compensated crystal oscillator (TCXO)
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Accurate and reliable real-time clock module
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.3V to 5.5V
• Timekeeping Accuracy: ±2ppm (±0.1728 seconds/day)
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Frequency: Up to 400kHz
• Battery Backup Input for Continuous Timekeeping
• Alarm Function with Interrupt Output
• Programmable Square-Wave Output
• Digital Temperature Sensor with ±3°C Accuracy

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground
3. SDA: I2C data line
4. SCL: I2C clock line
5. SQW/INT: Square-wave output or interrupt output
6. RST: Reset input
7. N/C: No connection
8. VBAT: Battery backup input

Functional Features

• Accurate timekeeping with temperature compensation
• Battery backup for continuous operation during power loss
• Alarm function with programmable interrupt output
• Square-wave output for various timing applications
• Digital temperature sensor for monitoring ambient temperature

Advantages

• High accuracy ensures precise timekeeping
• Low power consumption extends battery life
• I2C interface allows easy integration with microcontrollers
• Temperature-compensated crystal oscillator provides stable performance

Disadvantages

• Limited functionality compared to more advanced RTC modules
• Lack of additional features like non-volatile memory or event counters

Working Principles

The DS3231MZ+TRL utilizes a temperature-compensated crystal oscillator (TCXO) to maintain accurate timekeeping. The internal circuitry compensates for temperature variations, ensuring consistent performance. It communicates with external devices through the I2C interface, allowing easy integration into various systems.

Detailed Application Field Plans

• Consumer Electronics: Clocks, watches, and timers
• Industrial Automation: Data loggers, process control systems
• Automotive: On-board clocks, dashboard displays
• Internet of Things (IoT): Smart home automation, sensor networks

Alternative Models

• DS1307: Basic real-time clock module with lower accuracy
• DS3234: High-precision real-time clock module with extended temperature range
• PCF8563: Low-power real-time clock module with I2C interface

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