DS1336S/T&R

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC)
• Characteristics: Low power consumption, high accuracy, small package size
• Package: Tape and Reel (T&R)
• Essence: Provides accurate timekeeping functionality for various electronic devices
• Packaging/Quantity: 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
• Interface: I2C
• Memory: 56 bytes of non-volatile RAM
• Oscillator: Crystal-controlled

Detailed Pin Configuration

The DS1336S/T&R has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground connection
3. SDA - Serial Data Line for I2C communication
4. SCL - Serial Clock Line for I2C communication
5. SQW/INT - Square Wave Output / Interrupt output
6. X1 - Crystal connection 1
7. X2 - Crystal connection 2
8. NC - No Connection

Functional Features

• Real-time clock with calendar functionality
• Battery backup for continuous timekeeping during power loss
• Alarm and interrupt capabilities
• Programmable square wave output
• Automatic leap year compensation
• Power-saving mode for low power consumption

Advantages and Disadvantages

Advantages: - High accuracy timekeeping - Low power consumption - Small package size - Battery backup ensures uninterrupted operation

Disadvantages: - Limited non-volatile RAM capacity (56 bytes) - Requires an external crystal for operation

Working Principles

The DS1336S/T&R is based on an I2C interface and utilizes a crystal-controlled oscillator for accurate timekeeping. It operates by continuously counting the oscillations of the crystal to maintain an accurate measure of time. The integrated battery backup ensures that the clock continues to function even during power loss.

Detailed Application Field Plans

The DS1336S/T&R can be used in various electronic devices that require precise timekeeping, such as:

1. Smartwatches
2. Medical equipment
3. Industrial automation systems
4. Automotive applications
5. IoT devices

Detailed and Complete Alternative Models

1. DS3231 - Offers higher timekeeping accuracy and additional features
2. PCF8563 - Low-power RTC with alarm and timer functionality
3. MCP7940N - Integrated RTC with battery switchover and SRAM

These alternative models provide similar functionality to the DS1336S/T&R and can be considered based on specific requirements and preferences.

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