DS1706LESA/T&R

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC)
• Characteristics:
  • Low-power consumption
  • Small package size
  • High accuracy timekeeping
  • Non-volatile memory for data storage
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The DS1706LESA/T&R is a real-time clock IC used for accurate timekeeping in various electronic devices.
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Operating Temperature Range: -40°C to +85°C
• Memory Size: 64 bytes of non-volatile RAM
• Clock Frequency: 32.768kHz

Detailed Pin Configuration

The DS1706LESA/T&R has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground connection
3. CLK - Clock output
4. RST - Reset input
5. DATA - Data input/output
6. NC - No connection

Functional Features

• Real-time clock with calendar functionality
• Battery backup for continuous timekeeping during power loss
• Alarm function with programmable interrupt output
• Non-volatile memory for storing user-defined data
• Automatic leap year compensation

Advantages and Disadvantages

Advantages: - Low power consumption extends battery life - Small package size allows for space-saving designs - High accuracy timekeeping ensures precise timing requirements - Non-volatile memory retains data even when power is lost

Disadvantages: - Limited memory size may restrict the amount of data that can be stored - Lack of additional features compared to more advanced RTCs

Working Principles

The DS1706LESA/T&R operates by utilizing an internal oscillator to generate a 32.768kHz clock signal. This clock signal is used for timekeeping and calendar functions. The IC also features a non-volatile memory that can be used to store user-defined data, such as alarm settings or configuration parameters.

During normal operation, the DS1706LESA/T&R is powered by a supply voltage within the specified range. In case of a power loss, a backup battery ensures continuous timekeeping. The IC can be controlled and programmed through the DATA pin using a simple serial interface.

Detailed Application Field Plans

The DS1706LESA/T&R is commonly used in various electronic devices that require accurate timekeeping. Some application fields include:

1. Consumer Electronics:

   • Digital watches
   • Clock radios
   • Set-top boxes

2. Industrial Automation:

   • Programmable logic controllers (PLCs)
   • Time-based control systems

3. Automotive:

   • Car audio systems
   • Dashboard clocks

4. Medical Devices:

   • Patient monitoring systems
   • Medical equipment with time-sensitive operations

Detailed and Complete Alternative Models

• DS1307
• DS3231
• PCF8563
• MCP7940N
• RV-8803-C7

These alternative models offer similar functionality and can be considered as alternatives to the DS1706LESA/T&R depending on specific requirements and design constraints.

In conclusion, the DS1706LESA/T&R is a reliable real-time clock IC that provides accurate timekeeping and non-volatile memory storage. Its low-power consumption, small package size, and high accuracy make it suitable for various applications in consumer electronics, industrial automation, automotive, and medical devices.