DS1706RESA

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC)
• Characteristics:
  • Low-power consumption
  • Small form factor
  • High accuracy timekeeping
• Package: Surface Mount
• Essence: Provides real-time clock functionality for electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Battery Backup Voltage: 2.0V to 3.7V
• Battery Backup Current: 1µA (typical)

Detailed Pin Configuration

The DS1706RESA has the following pin configuration:

1. VCC - Power supply voltage input
2. GND - Ground reference
3. X1 - Crystal oscillator input
4. X2 - Crystal oscillator output
5. RST - Reset input
6. SDA - Serial data input/output
7. SCL - Serial clock input

Functional Features

• Real-time clock with calendar and alarm functions
• Battery backup for continuous timekeeping during power loss
• I2C interface for easy integration with microcontrollers
• Programmable square wave output
• Power-on reset circuitry

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - Small form factor allows for compact designs - High accuracy timekeeping ensures precise timing requirements

Disadvantages: - Limited memory capacity for additional data storage - Lack of built-in temperature compensation for improved accuracy

Working Principles

The DS1706RESA utilizes an internal crystal oscillator to generate accurate timekeeping signals. It operates in conjunction with an external battery to provide continuous timekeeping during power loss. The I2C interface allows for easy communication with microcontrollers, enabling seamless integration into various electronic devices.

Detailed Application Field Plans

The DS1706RESA is commonly used in the following applications:

1. Consumer Electronics:

   • Smartphones
   • Tablets
   • Wearable devices

2. Industrial Automation:

   • Programmable Logic Controllers (PLCs)
   • Data loggers
   • Industrial timers

3. Automotive:

   • Dashboard clocks
   • Car audio systems
   • GPS navigation devices

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock Module with Temperature Compensation
2. PCF8563 - Real-Time Clock and Calendar with I2C Interface
3. MCP7940N - Low-Power Real-Time Clock/Calendar with Battery Backup

These alternative models offer similar functionality to the DS1706RESA and can be considered as alternatives based on specific project requirements.

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