DS1340Z-33/T&R

Product Overview

Category

The DS1340Z-33/T&R belongs to the category of real-time clock (RTC) modules.

Use

This product is primarily used for timekeeping and timestamping applications in various electronic devices.

Characteristics

• Accurate timekeeping with low power consumption
• Integrated crystal oscillator for precise timing
• Serial interface for easy integration with microcontrollers
• Small form factor for space-constrained designs

Package

The DS1340Z-33/T&R is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of the DS1340Z-33/T&R lies in its ability to provide accurate timekeeping functionality in a compact and energy-efficient module.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for both prototyping and mass production.

Specifications

• Supply Voltage: 2.5V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Operating Temperature Range: -40°C to +85°C
• Interface: I2C (Inter-Integrated Circuit)
• Clock Frequency: 400kHz (max)

Detailed Pin Configuration

The DS1340Z-33/T&R has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground connection
3. SDA - I2C data line
4. SCL - I2C clock line
5. SQW/INT - Square wave output or interrupt output

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Battery backup for continuous timekeeping during power loss
• Programmable square wave output
• 56-byte non-volatile RAM for general-purpose data storage

Advantages and Disadvantages

Advantages

• Accurate timekeeping with low power consumption
• Small form factor for space-constrained designs
• Integrated crystal oscillator for precise timing
• Battery backup ensures continuous operation during power loss

Disadvantages

• Limited non-volatile RAM capacity (56 bytes)
• Requires an external microcontroller for full functionality

Working Principles

The DS1340Z-33/T&R utilizes a crystal oscillator to generate accurate clock signals. It communicates with an external microcontroller through the I2C interface, allowing for easy integration into various electronic systems. The module can be powered by a battery, ensuring uninterrupted timekeeping even in the absence of a main power source.

Detailed Application Field Plans

The DS1340Z-33/T&R finds applications in a wide range of electronic devices, including but not limited to:

1. Wearable devices: Smartwatches, fitness trackers, etc.
2. Consumer electronics: Digital cameras, portable media players, etc.
3. Industrial equipment: Data loggers, measurement instruments, etc.
4. Automotive systems: On-board computers, infotainment systems, etc.
5. Home automation: Thermostats, security systems, etc.

Detailed and Complete Alternative Models

1. DS3231 - Real-time clock module with higher timekeeping accuracy and additional features.
2. PCF8563 - Low-power real-time clock module with integrated temperature compensation.
3. MCP7940N - Real-time clock module with battery switchover circuitry for enhanced reliability.

These alternative models offer different specifications and features, providing options for various application requirements.

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